3508, 3509 & 3526 - Pro-Flo MPFI System for SB and
Contents
1. 1 4 In To 1 4 Out X 5 32 Bottom Out Vacuum T Fitting 1 4 NPT To 1 4 Hose Barb Brass Coolant Temp Sensor 3526 only MAP Sensor Assembly Electronic Fuel Injectors Pico Throttle Body Gasket 9 32 Vacuum Hose 6 Fuel eum line With 45 Deg End 7 32 Vacuum Hose 8 Includes Schrader Valve amp Cap Passenger Side Fuel Rail 1 1 4 20 X 1 2 Hex Head Cap Screw Driver Side Fuel Rail 4 1 4 20 X 1 25 Long Hex Head Fuel Pressure Regulator Cap Screw Assembled 4 Barrel Throttle Body Fuel Regulator Nut 1 4 Star Washer 1 4 ID SAE Flat Washer 5 16 Internal Start Washer 1 4 ID Split Lock Washer Viton O Ring 5 16 Hex Nut 3 8 Pipe Plug 5 16 X 1 3 8 Carb Studs 2005 Edelbrock Corporation 33 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 SERVICE In the event that your Edelbrock Pro Flo System should need servicing return the unit pre paid to the Edelbrock Service and Repair facility at 2700 California Street Torrance CA 90503 Do not attempt to disassemble or service the components of the Pro Flo system yourself Doing so may void the warranty WARRANTY It is the constant endeavor of the Edelbrock Corp to provide our customers with the highest quality performance products Edelbrock warrants the Edelbrock Pro Flo System to be free from defects in both work2. ECU Q1 3 c WEBER 931 CAL EDEL xxxx CM 1 6 software identification UP DOWN FUEL MODIFIERS gt lt gt lt SPARK MODIFIERS gt lt ENTER to select UP DOWN ENTER to select UP DOWN ENTER EXIT i uud FUEL WOT 1000 0 FUEL 1000 0 SPRK WOT 1000 0 ____1000 0 EXITt scroll ENTER EXIT iz scroll ENTER EXIT z 4 EXITt scroll ENTER 1 i ENTER 1 FUEL 06 1000 0 FUEL 2000 0 SPRK 9 1000 0 SPRK 1750 0 scroll ENTER scroll ENTER EXITt EXIT scroll ENTER J ENTER i 1 J t FUEL 12 1000 0 gt FUEL 3000 0 SPRK 18 1000 0 SPRK 2500 0 EXIT scroll ENTER EXIT scroll ENTER EXIT scroll ENTER UP DOWN UP DOWN UP DOWN UP DOWN FUEL 18 1000 0 FUEL e 4000 0 Global Mod 0 SPRK 3500 0 EXIT scroll ENTER EXIT scroll ENTER scroll ENTER EXIT scroll ENTER Transient 0 FUEL 5000 0 SPRK 4500 0 scroll ENTER EXIT scroll ENTER scroll ENTER Cold Start Fuel 0
3. Drill a 9 16 inch hole in the sending unit plate adjacent to where the main line enters the tank This will be the hole for your return line Insert a 6 AN bulkhead fitting available at most speed shops into the hole the narrow end of the fitting on the inside of the plate Apply a metal washer with inter O ring for seal Connect a length at least 4 inches of flexible return line rubber or braided hose to the fitting end Connect the return line to the fuel pickup line using tie wraps NOTE THIS METHOD REQUIRES NO WELDING OF THE FUEL SYSTEM GAS TANK COVER PLATE ORIGINAL FUEL PICK UP TUBE 6 AN BULKHEAD PICK UP SOCK FILTER BULKHEAD FITTING METHOD NOTE Whichever method you use to install the return fuel line be careful to keep the end of the line away from the fuel pickup as shown Otherwise aerated return fuel can be drawn into the pickup 2005 Edelbrock Corporation 8 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 HARD RETURN LINE METHOD Drill a 5 16 inch hole in the sending unit plate adjacent to where the main line enters the tank This will be the hole for your return line Insert a length of 5 16 inch hard line available at most radiator shops into the hole and weld it to the sending unit plate The hard line should extend through the hole 1 to 2 inches on the outside of the plate On the inside of the plate the hard line should follow the co
4. NEG TERM BLK WIRE FUEL OUT 2005 Edelbrock Corporation 22 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 IGNITION SYSTEM DISTRIBUTOR TESTING 1 Install the ECU and wiring harness and make all connections except the distributor and ignition coil Disconnect electrical connections at the fuel pump Unplug the 10 foot fuel pump harness from the Main System Harness Refer to the MAIN SYSTEM HARNESS section of this manual for details Turn the key to the ON position without starting the engine Check the Idle Air Control IAC solenoid clicks on and off for approximately 2 seconds The Pro Flo Calibration Module will receive power and display an RPM 0 reading among other parameters Connect the distributor to the wiring harness and spin the distributor gear by hand If the distributor sensor is operating properly the Calibration Module will display an RPM reading greater than 0 When the distributor stops spinning the Calibration Module may display NO COMMUNICATION for approximately 2 seconds This is normal and indicates that the ECU is waiting for the next distributor signal before the allowed time expires If an RPM greater than zero is indicated in step 5 re install the distributor INSTALLING THE DISTRIBUTOR 1 2005 Edelbrock Corporation 1 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Rotate the crankshaft until cylinder 1 is
5. TABLE OF CONTENTS Part 3508 3509 and 3526 Introduction enne nnne nnn nnn nnns 1 onu 2 3 5 Fuel System and Installation rrr terr rnt herr reris 6 10 Induction System and IpstellatlOIls su 2 22 4 2729 11 13 14 15 02 Sensor Installation eessseeseseseeenenennnnnnnnnnn nnns 16 Main System Harness and Installation eene 17 22 Ignition ct ROGO 23 24 Other Applications nnns 25 sy IBviiqaucMTT 25 28 Electronic Engine Management cccccccccccsccsccsecsecsececececeecsecsscascatsaesassassateaseateas 29 Pro Flo Quick Tuning Guide esses 30 Calibration Module 31 Parts and Part NUITIDBES deli eed 32 33 Service amp Warranty sese nnn nnns 34 INTRODUCTION Thank you for selecting the Edelbrock Pro Flo Fuel Injection System These Multi Point Fuel Injection Systems have been designed for small block and big block Chrysler engines and are designed to provide excellent performance fuel economy and maintenance free operation Installation of the Edelbrock Pro Flo Fuel Injection System involves modifications to the fuel system i
6. Tech Telephone 800 416 8628 Option 3 Office Telephone 310 781 2222 EFI Tech Fax 310 320 3964 Edelbrock Corporation 2700 California Street Torrance CA 90503 2005 Edelbrock Corporation 34 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Brochure 3463 0229 Catalog 3508 3509 amp 3526
7. Degrees Using the calibration module Select MISC MODIFIERS Set IDLE CONTROL ON Set TARGET IDLE to the same RPM established by the idle stop screw e Save calibration settings to A Idle Speed Activity Displayed on the calibration module Second Data Screen The displayed value represents the amount of air that is bypassing the throttle blades of the air valve Normal values range from 5 to 75 This ensures that the computer can increase or decrease the idle air flow to control idle speed f your have established a good idle set up the RPM will remain nearly constant between in gear and out of gear The Idle Speed Activity will change 10 30 as it adjusts the idle speed The value of Idle Activity is 20 when Idle Speed Control is off Idle Speed Activity Modifier This function is locked out when Idle Control is off as indicated by XXXX in the Target idle display on the Calibration Module Display The Idle Speed Activity Modifier biases the Idle Activity duty cycle 4 5096 this has the effect of changing RPM control loop response time We recommend that this value be set to zero modification except in extreme cases 2005 Edelbrock Corporation 28 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 ELECTRONIC ENGINE MANAGEMENT The Edelbrock Pro Flo system uses the Speed Density method of electronic engine management in which fuel and spark r
8. FUEL e 7000 0 SPRK 6000 0 EXIT scroll ENTER scroll ENTER scroll ENTER Global Fuel Mod 0 scroll ENTER FROM ANYWHERE IN MENU lt MISC MODIFIERS gt UP DOWN lt ENTER to select SAVE RESTORE ENTER EXIT Target Idle RPM 950 SAVE data set A B C RESTORE baseA B C EXIT scroll ENTER EXIT t scroll ENTER EXIT scroll ENTER X Saving In progress Restore In progress UP DOWN EXIT EXIT Idle Spark 0 Saved to data set tA Data set A RESTORED EXIT scroll ENTER Press EXIT Press EXIT Idle SpdActvty 0 EXIT EXIT EXIT t Idle Control OFF EXIT scroll ENTER 1 Closed loop fuel OFF EXIT scroll ENTER t Base Tim g set OFF EXIT scroll ENTER 1 Rev limiter RPM 6750 EXIT scroll ENTER 92005 Edelbrock Corporation Rev 4 05 RS mc Pro 31 Flo EFI Installation Instructions Return to main menu NOTICE Some values shown represent arbitrary examples DIAGNOSTIC error messages will flash on any screen Brochure 463 0229 Catalog 3508 3509 amp 3526 Edelbrock Pro Flo Fuel Injection System 3508 3509 3526 PART NUMBERS Many of the components of the Pro Flo system are available separately Many are standard OEM parts these parts need to be replaced you are likely to find a replacement at your local parts supp
9. hr for part 3508 The injectors mount to 1000 cfm at 1 5 of mercury when wide open directly onto the manifold one at each port for fuel delivery that is precisely controlled and instantaneously injected Brochure 3163 0229 92005 Edelbrock Corporation 11 2 Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions PRE INSTALLATION Before installing the induction system take the following steps to ensure successful installation and performance Check all components thoroughly for damage Make sure all throttle linkages open entirely and close freely Make sure all fuel inlet and vacuum ports are free from packing material Check the installation kit for proper parts Boo Tos REMOVING THE STOCK CARBURETOR AND MANIFOLD 1 Disconnect battery 2 For ease of installation keep all parts in order CAUTION Do not remove manifold if engine is hot 3 Drain radiator coolant on 318 340 360 applications Draining coolant is not required on big block engines 4 Remove gas cap to relieve pressure Disconnect fuel line and plug Replace gas cap 5 Disconnect all linkage from carburetor such as throttle throttle springs transmission cruise control and automatic choke 6 Tag and remove coil wires and sensor wires 7 Remove previously marked vacuum lines 8 Remove radiator hose thermostat housing and thermostat if mounted on manifold 9 Remove all brackets from the manifold 10 Loosen or remove va
10. tart Run Power 12V SENSOR EN TEMP from Ignition Switch INJECTORS on m a INJECTORS n 3and4 1and8 Pink INJECTORS 3508 3509 amp 3526 Bik Red Brn TPS SENSOR 17 Brochure 63 0229 2005 Edelbrock Corporation i p Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 Rev 4 05 RS mc gt ainpow P d OL 1921 91009 W93 OL 109 OL 9 4 osues LYN N JOSUas 20 quejoog auiDu NN Auayyeg yo zL AIV OVI Ee 9 o y z SJ0j2efu epis 105095 uonisod SdL Aejay dung eunsso1 janj 9514 cuf Josuas dVIN ag P99 puno19 P d 19MOd Jeyiduiy uoniub 2 2011914511 SS3NUVH 9NIHIM JNV ANV dVdOIN Brochure 34463 0229 Catalog 3508 3509 amp 3526 18 Pro Flo EFI Installation Instructions 92005 Edelbrock Corporation Rev 4 05 RS mc INSTALLATION 1 2 2005 Edelbrock Corporation 4 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Inspect the Main System Harness making sure that all connectors and grounds are properly in place Because the harness extends from the engine compartment into the passenger compartment a hole must be drilled in the firewall on the
11. 0 Edelbrock 3591 Edelbrock 3594 Edelbrock 3596 Edelbrock 3584 Edelbrock 3583 Edelbrock 3635 Edelbrock 3519 Edelbrock 3571 Edelbrock 3599 2005 Edelbrock Corporation 32 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Brochure 34463 0229 Catalog 3508 3509 amp 3526 PRO FLO MULTI POINT EFI 3508 3509 amp 3526 KIT CONTENTS Description 3 Description Manifold Assembly as seen below 5 16 Fuel Line Hose Clamps HP Installation Instructions 3 8 Fuel Line Hose Clamps EFI Owner s Manual AN 6 45 Elbow Push Lock Basic ECU 1 4 In X1 4 Out X 5 32 Vacuum Tee Fuel Filter 3 8 Push Lock Fuel Line Manifold Air Temperature Sensor 11 32 PCV Hose and Grommet 5 16 Rubber Return line Hose fuel Safe Fuel Pump Fuel Filter Adel Mounting Clamp Cal Module 3 odo Gad Tek screws 10 16 x 3 4 al Module Tek screws 1 4 14 x 3 4 Cord Adapter PCV Valve Distributor 11 Tie Wraps Ignition Amplifier 0 2 Sensor Main Wire Harness 0 2 Sensor Weld In Bung Fuel Pump Harness Coolant Temp Sensor 3509 only Fuel Pump Relay Fuel Pump Block Off Plate 20 Amp Fuse installed in Harness 3 Amp Fuse installed in Harness 4 4 03 gt MANIFOLD ASSEMBLY CONTENTS SHIPPED ASSEMBLED Description A Description make Manifold p gri To 6 AN 7 32 Va H
12. 3 Move the throttle to test the Throttle Position Sensor TPS The TPS reading should vary depending on throttle angle 4 If the Calibration Module displays any error messages refer to the TROUBLESHOOTING section of this manual and the User s Manual NOTE If the calibration module goes blank while cranking the system is losing power Check the Pink wire attached to the 3 Amp fuse for 12V power with the ignition in the crank position and the run position for proper operation 2005 Edelbrock Corporation 26 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 Timing Adjustment Use a timing light to re time your engine The following steps must be performed after the induction system has been installed and the distributor has been re installed Refer to the INDUCTION SYSTEM and IGNITION SYSTEM sections of this manual 1 2 3 Remove spark plug from Number One cylinder Remove coil wire from distributor and ground it THIS STEP REQUIRES TWO PEOPLE OR USE OF A REMOTE STARTER SWITCH While one person rotates the engine by slowly bumping the starter the other holds his finger over the Number One plug hole until compression is felt Continue to bump starter until timing mark on the crankshaft pulley shows approximately 10 degrees Before Top Dead Center Position rotor to approximately align with the Number One cylinder plug wire terminal in distributor cap Refer to the IGNITION
13. 508 3509 amp 3526 Rev 4 05 RS mc 3509 Shown COMPONENTS Electronic Control Unit System ECU Calibration Module Distributor Ignition Amplifier ECU Power Relay Fuel Pump Relay Manifold Absolute Pressure MAP Sensor Manifold Air Temperature MAT Sensor Coolant Temperature Sensor CTS Throttle Position Sensor TPS integrated with air valve Oxygen 02 sensor High Pressure Fuel Pump Fuel Filter Fuel Rail Assembly Fuel Pressure Regulator Fuel Injectors Intake Manifold Four Barrel Air Valve Idle Air Control IAC Solenoid integrated with air valve Main System Harness Fuel Pump Harness Installation Package Many Pro Flo components including the Manifold Absolute Pressure sensor fuel pressure regulator Coolant Temperature sensor and the fuel filter are standard OEM pieces In the event that one of these parts needs to be replaced you are likely to find a replacement at your local parts supplier in addition to your local Edelbrock dealer or directly from Edelbrock For a list of part numbers refer to the PART NUMBERS section at the back of this manual 92005 Edelbrock Corporation Rev 4 05 RS mc Pro Flo EFI Installation Instructions Brochure 34463 0229 Catalog 3508 3509 amp 3526 TOOLS AND EQUIPMENT Use the following checklist for items needed NO oP amp N 0 Box and open end wrenches Socket set L1 Di
14. Amplifier which must be mounted on a flat surface in the engine compartment away from exhaust headers or other areas that generate heat The wheel well panel and firewall are ideal locations The ignition amplifier features two connectors as shown The ignition amplifier is to be connected to the main system harness 24 Brochure 463 0229 92005 Edelbrock Corporation Catalog 3508 3509 amp 3526 Rev 4 05 RS me Pro Flo EFI Installation Instructions OTHER APPLICATIONS The Pro Flo system has been designed and calibrated specifically using the 340 small block and 440 big block Chrysler engines with large valve style cylinder heads such as Edelbrock s Performer RPM Street Cylinder Heads with 2 02 intake valves on the 340 and 2 14 intake valves on the 440 and tubular headers as a baseline It is unlikely that every engine on which the Pro Flo system is installed will match this baseline combination The system can be used with similar applications as long as the correct chip matching your cam profile is installed in the computer and necessary fuel calibration adjustments are made If your Chrysler engine is not a 340 or 440 does not have headers and uses stock style cylinder heads it may require more tuning adjustments For further information refer to the SYSTEM SET UP SECTION of the Owner s Manual If you are running small valve heads and or you not using tubular headers it may be necessary to reduce fuel at WOT from 4000 rp
15. LEAD Brown Wire The coil is attached to the main harness We strongly recommend using an HEI type non ballast resistor type coil The coil attaches via the connector shown below Pink Wire E TO MAIN HARNESS TO COIL S Brown Wire Brochure 3163 0229 92005 Edelbrock Corporation 1 Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions PNK BI RED LK DISTRIBUTOR GREEN 5c Cb PPLAWHT FROM MAIN WIRING HARNESS B O58 3A A BLK BLKAWHT s J12 Attach the distributor to the main harness as shown above ELECTRONIC CONTROL UNIT SYSTEM ECU The Electronic Control Unit ECU must be mounted away from moisture excessive heat or vibration Underneath the dashboard on the passenger side or behind the glove box are recommended locations The connector on left end as drawn of this 10 foot fuel pump wiring harness attaches to connector on the Main System Harness The two connectors on the right connect to the positive and negative terminals on the fuel pump A sleeve and tie wrap are provided to fit over the positive terminal once the connector is installed This sleeve prevents the clamp from shorting the fuel pump terminals POS TERM ORN WIRE BLK BLK _ ORN tes
16. SYSTEM section in this manual for details Setting Base Spark Advance After start up the base timing of the engine should be re set Use a timing light and the Pro Flo Calibration Module to accurately set timing 1 Start the engine 2 The Calibration Module screen will display this screen RPM FUEL 0 0 ms VAC 0 0 Hg SPK 10 3 Press the DOWN ARROW key once to reach this screen lt MISC MODIFIERS gt ENTER to select 4 Press the ENTER key to display this screen Target Idle RPM xxxx EXIT yA SCROLL ENTER 5 Press the UP ARROW key six 6 times until the module displays this screen Base Tim g set OFF EXIT yA SCROLL ENTER 6 Press the ENTER key Press either ARROW key and the screen will display Base Tim g set ON 7 Set the base timing using a timing light and engine running at 1500rpm Turn the distributor until 10 advance is set 8 Press the UP ARROW or DOWN ARROW key to turn Base Tim g set to OFF WARNING DO NOT DRIVE THE VEHICLE WITH THE BASE TIM G SET ON SERIOUS ENGINE DAMAGE MAY RESULT NOTE You must verify the ignition timing using a suitable timing light The valve shown with the timing light should agree with the valve shown on the calibration module SPRK 9 Press the EXIT key Y ou can now leave this screen using the UP ARROW or DOWN ARROW keys 2005 Edelbrock Corporati 27 Brochure 63 0229 ri rporation E Rev 4 05 RS rie Pro Flo EFI Installation Inst
17. act your dealer immediately The 3508 amp 3509 kits are designed for use with a standard 413 426 wedge 440 firing order The 3526 kit is designed for use with a standard 318 340 360 firing order Check all threaded manifold holes Check all internal manifold passages with a light and wire making sure they are clean and unobstructed Check automatic transmission shift points before removal of your stock manifold and adjust linkage after Edelbrock manifold installation for same shift points if needed NOTE We recommend that you refer to this checklist again after installation to be sure that you have completed all 2005 Edelbrock Corporation Rev 4 05 RS mc steps 3 Brochure 63 0229 Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 DETERMINING HOOD CLEARANCE NOTE Check hood clearance before removing stock manifold 1 Use modeling clay or putty to make five small cones two or three inches high 2 Position cones on air cleaner at front rear each side and on center stud 3 Close hood to locked position and re open 4 The height of the cones indicate the amount of clearance between the hood and the air cleaner Record these measurements CLAY CONE HOOD CLEARANCE AIR CLEANER Y MANIFOLD amp CARBURETOR HEIGHT VS PRO FLO HEIGHT 1 Remove air cleaner 2 Lay a straightedge such as a yardstick across the top of the carburetor from front to back 3 Measure from block and manifold end
18. as as a baseline When circling the area where a problem exists you are circling the RPM and Vacuum reading that is present when the problem occurs Note whether it is running rich green light or lean red light at each problem area Once any problem areas have been located and noted rich or lean go into the Miscellaneous Modifiers menu and turn off the Closed Loop Fuel exit go to Fuel Modifiers and then into Global Fuel Now drive the vehicle and drive back to each problem area When driving in a problem area add or subtract fuel to obtain the smoothest operation at that driving point Write down the quantity plus or minus of fuel required to achieve a smooth operation When all the problem areas have been noted and the amount of fuel required to achieve smooth operation has been noted at each problem area you may now do each adjustment one at a time to achieve a complete tune up To input this information you will need to make sure the Closed Loop Fuel is in the OFF position Go to each area and enter the information If you have found a problem that is not exactly in the center of one of the fuel cells you will still be able to tune the area by using the Surround and Conquer method for properly managing the fuel curve Listed below is an example of this method Assume that you have found a problem area at 2500 RPM and 15 inches of Vacuum This is not an area where you can address the problem directly In this scenario we will say the unit
19. coming up on the compression 1 position stroke Stop turning when the crankshaft is 10 BTDC A Rotate the distributor shaft until the rotor points to the 1 on the distributor housing The 1 plug wire will attach to the tower on the cap directly above the 1 on the distributor housing Install the distributor so that 1 on the cap is positioned where 1 was on your previous distributor You may need to remove and reinsert the distributor a few times to align the distributor Make sure that the distributor seats down completely and has fully engaged the oil pump drive marked with a Lift the rotor by hand to make sure that there is adequate endplay Lack marker to enhance of endplay indicates that the rotor shaft is bottomed out on the oil pump appearance in photo shaft Lightly tighten the hold down clamp so that the distributor can still be turned to determine final setting when checking the timing Re attach the distributor cap Make sure the rotor is still pointing to 1 Install your spark plug and coil wires and connect the distributor to the MAIN SYSTEM HARNESS NOTE DO NOT use a Solid Core type spark plug wire set such as copper core etc You must use a suppression type spark plug wire Failure to use the correct wires will cause electrical interference with the engine control unit 23 Brochure 463 0229 Catalog 3508 3509 amp 3526 IGNITION AMPLIFIER The Pro Flo system uses the Edelbrock 3518 Ignition
20. e ECU as in the case of a stall This safety precaution is necessary when using a high pressure fuel system The provided fuel filter should be mounted between the engine compartment and the fuel pump to allow fuel to be pushed through the filter rather than drawn through Electrical connectors should face the front of vehicle Engine Side FUEL PRESSURE REGULATOR Fuel pressure is as important as fuel volume particularly in fuel injection The Pro Flo fuel pressure regulator maintains a constant pressure at the injectors with a spring loaded by pass to the return fuel line Manifold Absolute Pressure references the regulator diaphragm to maintain constant pressure across all 8 injectors regardless of fluctuating manifold pressure vacuum level The fuel that is not injected is returned to the fuel tank via the return fuel line imd x SD NS ES lie 5 2005 Edelbrock Corporation 6 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 RETURN FUEL LINE Due to the high fuel pressure used by the Pro Flo system the supplied 3 8 inch high pressure fuel line MUST be used as the primary fuel line and a bypass fuel return line must be installed There are three options for installing a bypass return line 1 Usethe 5 16 rubber fuel line provided with the system as the fuel return line 2 Usethe vehicle s existing primary line as the fuel return line with mod
21. equirements are based on engine speed RPM and engine load manifold pressure and temperature The Electronic Control Unit ECU receives signals regarding engine speed from the distributor and the three load factors consisting of coolant temperature ECT Manifold Absolute Pressure MAP and air temperature MAT Once the ECU has determined the engine operating point RPM and Load factor it uses tables programmed into it to instantly calculate correct spark advance and injector pulse width A more detailed description of electronic engine management can be found in the Owner s Manual for your Pro Flo system One possible point of confusion does need to be clarified The Pro Flo system displays vacuum rather than the less familiar manifold pressure This vacuum reading is based on the following SAE standard atmosphere Barometer 29 5 in Hg Temperature 77 F Because of this the vacuum figures displayed on the Calibration Module may differ from the vacuum indicated by a true vacuum gauge particularly at extreme high or low altitudes FUEL MODIFIER TABLE RPM 1000 2000 3000 4000 5000 7000 WOT 6 LOAD The Pro Flo tables come pre set from factory for the engine 12 combination that you specified when you ordered your computer chip This factory calibration must be altered with 18 the Calibration Module to optimize performance The Calibration Module allows you to modify the fuel and spark tables at various engine
22. erioration PA Firing Order Apply RTV gasket sealer around water passages on the manifold b ZN 2 318 340 360 Surfaces will become tacky to the touch within a few minutes Sd N 1 8 4 3 6 5 7 2 Carefully position manifold and air valve on engine centering bolt holes with the bolt holes in the head 2 Apply thread sealer or Teflon tape to bolt threads where exposed to water or oil 3 Hand tighten all bolts 4 Torque all manifold bolts to 25 ft Ibs Torque in the sequence as shown 5 Install Fuel rails and Injectors Lubricate injector O rings top and bottom with O ring type lubricate before sliding them into fuel rails Push injectors into rails making sure that the electrical connectors on injector bodies face up Place fuel rail with pressure regulator on passenger s side with regulator toward rear of engine Push down with enough force to seat lubricated O rings in manifold making sure not to el damage O rings Once installed secure rails with 1 4 bolts and flat washers to 8 ft Ibs 96 In Ibs When properly installed the injectors should rotate freely by hand 6 Re connect throttle linkage and springs transmission cruise control and fuel lines Check all linkage for smooth throttle operation from idle to Wide Open Throttle Note Do not install with a throttle rod use a cable actuated throt
23. ginal fuel as the return line route the return line directly alongside the provided 3 8 inch primary fuel line 7 Mount the fuel pump between the tank and the fuel filter as low and as close to the fuel tank as possible The pump is directional Electrical connectors should face the front of vehicle The fuel pump needs to be at or below the level of fuel in the tank 8 Mount the fuel filter between the fuel pump and the engine 9 Re install the modified sending unit plate to the clean fuel tank 10 Re install the fuel tank 11 Attach the primary line and return line to the sending unit plate on the tank 12 Re attach all other fuel lines at the tank vapor purge lines etc if so equipped 13 Secure the primary and return fuel lines with the provided tie wraps or with Adel clamps if available 14 Re attach all fuel lines to the induction system once it has been installed 15 Use the 10 foot wiring harness to connect the fuel pump to the Main System Harness Route the harness away from the exhaust pipe and any sharp edges This harness may be cut to length Replacement terminals are provided with the Pro Flo system Cover the connection to the positive terminal with the sleeve and tie wrap provided Refer to the MAIN SYSTEM HARNESS section of this manual for details 16 Before starting the engine turn the ignition key to the ON position 4 or 5 times to prime the electric fuel pump fuel lines and fuel rails You should hear the p
24. gnition system induction system and possibly the valve train Although there are steps that must take place before others the modifications do not necessarily have to be performed in a particular order Each modification is described in a separate section in this manual Please study these instructions carefully before beginning installation of any part of the Pro Flo system Calibration Chips Important Notice The Edelbrock Pro Flo Fuel Injection System is shipped without the computer chip The chip is necessary to operate the ECU If the cam is any brand other than Edelbrock check with manufacturer for compatibility with EFI Complete the Chip Information Card and return to Edelbrock We will send the computer chip within the continental U S free of charge via UPS second day air Orders outside of the continental U S will be shipped via the best method at the same costs as continental UPS second day air If requested customers may pay for expedited shipping by providing a current Visa or Master Card The chip installs into the System Computer in minutes Additional chips are available for a nominal charge if you decide to change your cam Edelbrock has chips for assorted cam profiles If you have any questions do not hesitate to call our EFI Technical Hotline at 800 416 8628 Option 3 7am 5pm PST Monday Friday E mail EFitech edelbrock com 1 Brochure 4163 0229 2005 Edelbrock Corporation Pro Flo EFI Installation Instructions Catalog 3
25. ification to the pick up as described below 3 Use the vehicle s existing return line if so equipped as the fuel return line This option applies only to vehicles previously equipped with fuel injection If the vehicle is not already equipped with a return line some fuel tank modifications are required for routing the return line through the sending unit plate back into the tank The first two methods listed below require some welding and should be done by a professional radiator or fuel system repair shop RUBBER RETURN LINE METHOD Drill a 5 16 inch hole in the sending unit plate adjacent to where the main line enters the tank This will be the hole for your return line Insert a short length of 5 16 inch hard line available at most radiator shops into the hole and weld it to the sending unit plate The hard line should extend through the hole 1 to 2 inches on each side of the plate Connect a length at least 4 inches of 5 16 inch rubber return line hose to the hard line that will extend into the tank Connect the rubber line to the fuel pickup line using tie wraps GAS TANK COVER PLATE ORIGINAL FUEL r1 PICK UP TUBE HOSE CLAMP _ DIRECT RETURN FUEL AWAY FROM PICK UP RUBBER HOSE THE WRAP RETURN LINE PICK UP SOCK FILTER RUBBER HOSE METHOD 7 63 0229 2005 Edelbrock Corporation Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions BULKHEAD FITTING METHOD
26. ipe and weld into place Once it has been welded into place clean the threads in the center of the fitting It is important that the threads are clean and free of paint or ceramic coating in order to provide a good ground for the 02 sensor Thread the 02 sensor into the fitting A high heat anti seize compound has been applied to the sensor threads NOTE The 0 sensor has 18mm x 1 25 spark plug threads Attach the 02 sensor to the main system harness Refer to the MAIN SYSTEM HARNESS section of this manual NOTE UNLEADED FUEL MUST BE USED ONCE THE 02 SENSOR HAS BEEN INSTALLED COATED HEADERS Use a digital OHM meter to measure the resistance between cylinder head bolt and the nut of the installed 02 sensor The reading should be less than 2 OHMS If it is more you need to provide a ground to the 02 sensor mount 2005 Edelbrock Corporation 16 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 MAIN SYSTEM HARNESS If the ECU is the brain of the Edelbrock Pro Flo system the Main System Harness is the central nervous system Constructed with SAE grade wires and the most up to date Weatherpak connectors the Main System Harness is a generic harness that can be used with any application for which the Pro Flo system is designed This diagram illustrates the entire Pro Flo Main System Harness Each connector is identified by a alpha numeric code as listed below Fuel Pump B
27. is showing a lean condition red light In which case fuel will need to be added We will also say that when driving and using the Global Modifier to find the exact amount of fuel required it was determined that the amount needed was plus ten percent 10 In the Surround and Conquer method you will add fuel at the four locations surrounding the problem area This is shown in the figure below ENGINE RPM 1000 2000 3000 4000 5000 7000 In this example tune by adding 10 fuel at each area marked by an X surrounding the problem area VACUUM When the required amount of fuel has been added at each surrounding fuel cell complete the operation by returning to the Miscellaneous Modifiers menus and turning the Closed Loop Fuel ON Press the SAVE key then the ENTER key The hand held unit will show SAVING IN PROGRESS Repeat this procedure at each problem area to complete the tune up 2005 Edelbrock Corporation 30 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 POWER WEBER EDELBROCK Pro Flo EFI System 1 2 second commercial Y ZA RPM 3000 FUEL 4 0 ms UP TH20 180 F TPS 28 UP Idle 25 RPM 3000 UP RPM 3000 gt VAC 12 0Hg SPK 36 DOWN TAIR 98 F Volt 14 5 DOWN TPS 28 Target 950 DOWN 12 0 gt CALIBRATION MODULE DIAGRAM ENTER EXIT gt
28. lier in addition to your local Edelbrock dealer or directly from Edelbrock TU ANTRO BUEN gence navn a cea P P ra e ea MO PP I a we ra gv ce E ECU Power Relay Fuel Pump Relay GM 14089736 Manifold Absolute Pressure Sensor GM 16006835 Manifold Air Temperature Sensor Screw in GM 25036751 Manifold Air Temperature Sensor Push in A C 12160244 Coolant Temperature Sensor GM 25036979 Throttle POSITION 0 Oxygen 02 SANSOM ae ten oe a Roh ee ord due E Xe High Pressure Fuel PUMP vem es Eire pP Ee baie cones x Fuel FIBI Gs od sued an ene A C DELCO GF 482 Fuel Pressure Regulator GM 17107010 Fuel Injectors one for Part 3536 amp Part 3509 Fuel Injectors 35 Ibs hr for Part 3508 Calibration Calibration Module Cord Plug Idle Air Control Solenoid Ford FOAE 9F715 B1A In the event that one of Edelbrock 3518 Edelbrock 3586 Edelbrock 3587 Edelbrock 3588 Edelbrock 3579 Edelbrock 3589 Edelbrock 359
29. lve cover bolts for manifold removal and replacement It may be necessary to replace valve cover gaskets if broken to prevent oil leakage PORT SURFACE CLEANING When cleaning old gaskets from head surfaces lay rags in the lifter valley and stuff paper into the ports to prevent pieces of the old gasket from falling into ports and combustion chambers When clean remove paper making sure that all particles fall on the rags in the lifter valley Remove rags and wipe surfaces clean with rags soaked in lacquer thinner in order to remove oil or grease NOTE This procedure is necessary to ensure proper sealing INSTALLING FITTINGS PIPE PLUGS AND STUDS Do not over tighten or cross thread fittings pipe plugs studs or bolts in your aluminum manifold Damage to threads or a cracked mounting boss may result unless caution is used when installing accessories Use high quality pipe thread sealant on all threads Install fittings from your stock manifold 2005 Edelbrock Corporation 12 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 GASKET SURFACE PREPARATION CAUTION Replace all gaskets as recommended Do not use race type non embossed gaskets for street applications Due to material deterioration under street driving conditions internal vacuum and oil leaks may occur We recommend Fel Pro Printoseal gaskets 1213 340 360 and 1215 440 or equivalent Do not use Fel Pro Perma
30. m and up Refer also to the SYSTEM SET UP section in the Owner s Manual Use the FUEL WOT screens located under FUEL MODIFIERS to adjust the fuel at each available RPM WARNING Watch the Rich Lean light on the Calibration Module If the light indicates a lean condition red for more than a fraction of a second at 0 6 vacuum or at WOT you are too lean for safe engine operation at full load SYSTEM START UP Once the Edelbrock Pro Flo system has been installed there are a few procedures you must follow to break in the system Carefully performing these break in procedures will ensure best results and optimal performance Use this checklist to double check the following areas BEFORE starting the car 0 Has the battery been reconnected Has the radiator been refilled with coolant L1 Has the gas tank been refilled 0 Has the oil been replaced 0 Have all linkages been reconnected Have all wiring harness connectors been connected Have all fuel lines been reconnected 0 Has the exhaust system been completely re installed 0 Has the 02 sensor been installed and connected 25 Brochure 63 0229 2005 Edelbrock Corporation RR NE Re PE Pro Flo EFI Installation Instructions ob 610525 Distributor Test 1 Installing the Distributor 1 Priming The Fuel Pump Before the engine is started the fuel pump must be primed to pressurize the system and purge the fuel line of all air 1 Make sure to
31. manship and materials for a period of one year from date of purchase provided that the product is properly installed and subjected to normal use and service is not used for racing or competition purposes and that the product is not modified or altered in any way unless specified by our instructions Our warranty service and repair facility is located at 2700 California Street Torrance CA 90503 Customers requiring warranty assistance should contact the dealer from whom they purchased the product In turn the dealer will contact Edelbrock and we will determine the method of satisfying the warranty Should Edelbrock determine that the product be returned to the factory it should be accompanied by proof of purchase and a clear description of the exact problem The product must be returned freight pre paid If a thorough inspection of the product by the factory indicates defects in workmanship or material our sole obligation shall be to repair or replace the product This warranty covers only the product itself and not the cost of installation or removal EDELBROCK CORPORATION SHALL NOT BE LIABLE FOR ANY AND ALL CONSEQUENTIAL DAMAGES OCCASIONED BY THE BREACH OF ANY WRITTEN OR IMPLIED WARRANTY PERTAINING TO THIS SALE IN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT SOLD If you have any questions regarding this product or installation please contact our Technical Department from 8 00am 12 30 1 30 5 00pm Pacific Standard Time Monday through Friday at
32. ntours of the fuel pickup line Bend the end of the return line away from the sock on the end of the fuel pickup line Solder or weld the return hard line to the fuel pickup line GAS TANK COVER PLATE ORIGINAL FUEL PICK UP TUBE NEW RETURN LINE SUPPORT BRACE PICK UP SOCK FILTER DIRECT RETURN FUEL AWAY FROM PICK UP HARDLINE METHOD 9 63 0229 2005 Edelbrock Corporation Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions NOTE ALL WELDING AND SOLDERING OF THE FUEL SYSTEM MUST BE PERFORMED BY PROFESSIONAL RADIATOR OR FUEL SYSTEM REPAIR SHOP FUEL SYSTEM INSTALLATION 1 Drain the fuel tank 2 Remove all fuel lines from the tank and from the carburetor 3 Remove the fuel tank NOTE While the fuel tank is removed from the car it is recommended that it be professionally cleaned in order to remove any rust or dirt that may have accumulated inside and which could damage the injectors 4 Remove the sending unit from the fuel tank Refer to the RETURN FUEL LINE methods above for installing the bypass fuel return line 5 Install the provided 3 8 inch primary fuel line directly above the original line which may now serve as a return line Use large radius bends Avoid the exhaust pipe and any sharp edges NOTE The 3 8 inch high pressure fuel line supplied with the Pro Flo system must be used as the primary fuel line 6 If you do not use the ori
33. passenger side Cut two overlapping 1 1 4 inch holes on a 1 inch center in the firewall Saw the pointed edges to create an oval shaped hole NOTE An alternative to this method is to cut a single 1 3 4 inch hole Extend the fuel pump relay ECU connector and Calibration Module relay through the firewall hole into the passenger compartment NOTE The T connectors at the joints of the Main System Harness are closed by snap fasteners which can be opened by hand or with a flathead screwdriver Once open the T connectors can be rotated for ease of installation if necessary The 3 1 2 x 2 1 4 inch aluminum plate included on the harness mounts over the firewall hole using four hex head sheet metal screws NOTE Start the screw holes with a pointed punch or small drill The wire harness is assembled with the aluminum plate flush against a T connector The black plastic casing on the wire harness can be cut to allow the plate to slide up the harness to the correct location Once the harness is in place the casing should be reattached on both sides of the firewall CAUTION When feeding the wire harness through the firewall be careful to not damage the wires against the cut sheet metal A rubber grommet is provided to protect the wires in the aluminum plate Use RTV to seal the plate to the firewall Install all connectors according to the list and diagrams The harness has been designed so that each connector is unique and will fit only to its correc
34. quires drilling a 1 2 inch hole in the passenger side header collector The sensor threads into the provided fitting which must be professionally welded into place The red lean green rich light on the Calibration Module is also controlled by the 02 sensor The 02 sensor 15 connected to the Main System Harness For installation details refer to the FUEL SYSTEM section of this manual NOTE Prior to installing your O2 sensor check the wires leading into the weather pack plug and make sure the odd colored wire is in the middle Brochure 3163 0229 92005 Edelbrock Corporation 15 Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions 02 SENSOR INSTALLATION The exhaust gas oxygen content is determined by the oxygen sensor The sensor signals the ECU which compensates when the air fuel mixture is either rich or lean NOTE It is recommended that the 02 sensor installation be performed by a professional muffler shop 1 2 Double check header gaskets replacing if necessary Drill a 1 2 inch to 9 16 inch hole in the passenger side header collector reducer as close to the header flange as possible 1 to 3 away NOTE Before drilling make sure the O2 sensor will be mounted horizontally and within reach of the harness connector Check to ensure adequate clearance for the sensor taking into consideration engine movement Fit the provided fitting into the hole in the exhaust p
35. ructions Catalog 3508 3509 amp 3526 IDLE ADJUSTMENT This procedure is a general recommendation intended to help you tune up your Pro Flo system NOTE manual transmission cars this procedure must be followed with the car in Neutral and with the clutch pedal pressed In automatic transmission vehicles this procedure must be followed with the gear selector in Park Idle Calibration Procedure e Prior to idle calibration you need to have completed the System Start Up procedure Warm up engine to at least 175 F Idle Control Using the calibration module Select MISC MODIFIERS and Set Idle Control OFF Set Idle Mechanical Stop Set the mechanical stop screw so that idle speed in park neutral is at the desired RPM Typically 600 1000 RPM depending on the installed camshaft We find 650 RPM a good idle for our 3522 performer calibration Set Throttle Position Sensor Loosen the two Throttle Position Sensor TPS mounting screws and rotate the TPS sensor to a setting of 13 degrees as observed on the Calibration Module Set Idle Fuel Modifier and Idle Spark Modifier Using the calibration module Select MISC MODIFIERS and adjust Idle Fuel Modifier to obtain best idle quality Idle quality will vary with engine design e You must establish a smooth idle prior to using Idle Control Otherwise the RPM will surge when Idle Control is turned on Save Calibration Re check that the TPS setting is 13
36. s at 175 or below system will stay in cold start mode and not perform properly 5 Brochure 463 0229 2005 Edelbrock Corporation RR NE Re PE Pro Flo EFI Installation Instructions ob 610525 FUEL SYSTEM Because your Edelbrock Pro Flo system controls fuel delivery very differently than a carburetor some conversions to your fuel system are necessary Pro Flo electronic fuel injection requires high and constant fuel volume and fuel pressure For this reason a good primary fuel line is critical The Pro Flo system includes a 3 8 inch high pressure fuel line which must be used as the primary fuel line The fuel that bypasses the injectors must be returned to the fuel tank via a return fuel line If your vehicle is already equipped with a fuel pump bypass line this line can be used as the return fuel line If not the original primary line may be used as the return line If desired an 8 foot length of 5 16 ID rubber hose is supplied for use as the return line Many late model cars are equipped with an additional fuel line which runs to a charcoal canister mounted on the driver side of the vehicle This line MUST be re installed after the fuel system conversion and MUST NOT be used as the return fuel line FUEL PUMP AND FILTER Tank Side The Pro Flo system uses a single Edelbrock high pressure electric fuel pump which is capable of pumping 50 psi The pump relay will shut down the pump if it does not receive an engine run signal from th
37. seal surfaces to straightedge Record these measurements height A and height B 5 Add height A and height B and divide by two to get the average height 6 The Pro Flo manifold measures 3508 3509 4 80 by 5 80 The 3526 5 78 by 6 78 The air valve measures 2 25 9 Compare the two measurements If the Pro Flo unit is taller subtract this amount from the hood clearance figure to determine new hood clearance CAUTION You must maintain at least 1 2 inch clearance between the hood and air cleaner because of engine torque If you have insufficient clearance a low profile air cleaner may solve the problem 92005 Edelbrock Corporation 4 Brochure 3163 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 EMISSION CONTROLS The Edelbrock Pro Flo system will not accept stock emissions control systems Check local laws for requirements before installing the Pro Flo system Not legal on pollution controlled motor vehicles FUEL REQUIREMENTS Because the Pro Flo system uses an Oxygen sensor you must use unleaded fuel only Leaded fuels will damage the 02 sensor If you do use leaded fuel in your vehicle do not install the 02 sensor and do not operate the vehicle in the closed loop fuel mode AUTOMATIC TRANSMISSION CHECK For best performance economy and emissions the shift point must be checked before and after the manifold change NOTE This check should be performed ONLY a
38. speeds and levels of vacuum These SPARK MODIFIER TABLE tables may be used for recording your modifications to the RPM base table with your own fuel pulse width and spark advance 1000 _ 1750 2500 3500 4500 6000 figures For information on using the Calibration Module to enter your figures into the Pro Flo refer to the CALIBRATION MODULE section in the Owner s Manual LOAD 18 i 29 Brochure 63 0229 eae Pro Flo EFI Installation Instructions Catalog 9508 10509619555 PRO FLO QUICK TUNING GUIDE These are basic instructions to help in understanding the tuning of your Pro Flo fuel injection system For detailed technical information on tuning your Pro Flo see the Pro Flo Owner s Manual This guide has been developed after talking with end users that are not familiar with the technical information provided in the Owner s Manual This guide is based on our simple graph that shows the 24 fuel cells that you can tune in to result in a clean and powerful engine We recommend when you have your Pro Flo installed you have the idle tune up completed and then drive the vehicle to determine what amount of tuning is needed for general driving If the unit is drivable this is the method to use for ease of tuning On page 6 of this installation manual there is a fuel grid that can be used as the map on which to locate and then tune any drivability problems Simply drive the vehicle and note any areas that have problems Circle those are
39. stributor wrench Pliers channel locks and hose clamp Screwdrivers regular and Phillips Torque wrench Hammer Gasket scraper or putty knife Q Timing light 0 Vacuum gauge 0 Rags Water bucket 0 Harmonic balancer puller L1 Dial indicator L1 Drill and bits L1 Hole saw 1 1 4 inch or 1 3 4 inch 0 Tubing wrenches Tubing cutter HARDWARE AND PARTS RECOMMENDED Gaskets Edelbrock OEM or equivalent Pipe plugs if needed 5 16 inch steel tubing approximate equal length to fuel pickup line in tank Edelbrock Gasgacinch 9300 Loctite 598 OEM High Temperature Silicone Gasket 02 Sensor Compatible Radiator coolant Teflon tape Intake gasket 3508 amp 3509 use Fel Pro 1215 for 3526 use Fel Pro 1213 Wiring diagram for your vehicle Intake Manifold Bolt kit 3508 amp 3509 use intake bolt kit 8579 3526 use Intake bolt kit 8594 PRELIMINARY CHECKLIST CAREFULLY STUDY AND UNDERSTAND ALL INSTRUCTIONS BEFORE BEGINNING THIS INSTALLATION NOTE This installation can be accomplished using common tools and procedures However you should have a basic knowledge of automotive repair and modification and be familiar with and comfortable working on your vehicle If you do not feel comfortable working on your vehicle it is recommended to have the installation completed by a professional mechanic Examine the Pro Flo system for possible shipping damage If damaged cont
40. t a sanctioned drag strip or test track With the shifter in Drive accelerate to wide open throttle from a standing start Hold in this position noting speedometer MPH when the transmission makes the first 1 2 shift After the Pro Flo system has been installed make the same test again noting MPH of this first shift The transmissions on certain vehicles require precise adjustments We recommend that you consult a reputable transmission shop for final adjustments once the Pro Flo system has been installed Incorrect shift points can result in transmission damage ENGINE CLEANING Edelbrock recommends that the Pro Flo system be installed on a clean engine in order to prevent dirt from falling into the engine lifter valley or intake ports 1 Cover ignition Use engine de greaser and a brush to thoroughly clean the manifold and the area between the manifold and valve covers 2 Rinse with water and blow dry EXHAUST MANIFOLD HEAT RISER VALVE If your vehicle is equipped with an exhaust manifold heat riser valve typically located on the passenger side of the vehicle below the exhaust manifold remove the valve for proper operation HEADERS For best performance headers are highly recommended The remainder of the exhaust system should be free flowing preferably a dual exhaust system using low back pressure mufflers COOLING SYSTEM The minimum requirements for the thermostat 180 but the ideal thermostat is 1959 When the vehicle i
41. t be installed into the air cleaner base Punch a 3 4 hole in air cleaner base debur any sharp edges install MAT sensor grommet then slide sensor into grommet This sensor is connected to the Main System Harness NOTE The systems that have the MAT sensor in the intake plenum area can be moved to the air cleaner if necessary to obtain additional vacuum ports 2005 Edelbrock Corporation 14 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 COOLANT TEMPERATURE SENSOR The Coolant Temperature Sensor is a thermistor device like the Manifold Air Temperature sensor Resistance varies as coolant temperature rises and lowers The Coolant Temperature Sensor is located at the front of the manifold on the driver side and is connected to the Main System Harness Note On 413 426 440 applications it is typically in the water pump THROTTLE POSITION SENSOR The Throttle Position Sensor an integral part of the Pro Flo throttle body measures throttle angle This sensor requires adjustment as described in the SYSTEM START UP section of this manual It is connected to the Main System Harness gt e gt 2 2 gt 26 hl OXYGEN 02 SENSOR An oxygen sensor installed on the header collector pipe measures exhaust gas oxygen content and is used by the ECU to manage fuel delivery under closed loop control Installing the sensor re
42. t match There is only one possible installation combination it cannot be installed incorrectly 158 The Throttle Position sensor attaches to the main harness 125 19 Brochure 463 0229 Catalog 3508 3509 amp 3526 The Manifold Absolute Pressure sensor The Coolant Temperature sensor attaches to the attaches to the main harness main harness The Manifold Air Temperature sensor attaches to the Aun main harness Only the fuel injector connectors are identical but they are placed in logical sequence Refer to the diagram when installing the harness connectors to the fuel injectors 2005 Edelbrock Corporation 20 Brochure 63 0229 Rev 4 05 RS mc Pro Flo EFI Installation Instructions Catalog 3508 3509 amp 3526 The IAC is attached to the main wiring harness The ignition amplifier is attached to the main harness with the connector at left side of lower diagram The ignition amplifier should be mounted on the firewall or on the passenger fender well The KEY ON Start Run power wire pink should be connected to the factory positive coil wire If you have a balast resistor in your factory coil wiring you should remove the ballast resistor and connect the KEY ON wire to the wire coming into the positive side of the ballast resistor REFER TO VEHICLE REPAIR MANUAL FOR WIRING DIAGRAM IF NECESSARY 7 IGN TACHOMETER
43. test distributor according to the procedure on page 23 Make sure the distributor is installed as described on page 23 Turn ignition key to the ON position You should hear the fuel pump go on It will pump for 2 or 3 seconds and disengage Turn the key to the OFF position for 1 second Turn the key to the ON position again The pump will go on for another 1 Plug wire V attaches to 2 or 3 seconds tower directly Repeat this procedure until the pump has been cycled three or four times above 1 on and is primed The tone of the fuel pump will change when all air is out of the housing the fuel system If there is no tone or no change in tone the system is not priming Check the entire fuel system for leaks from the fuel tank to the injectors Testing The Sensors Before starting the engine test all sensors 1 Turn the key to the ON position with the Calibration Module connected The display will read RPM OFUEL 0 0 mS 0 0 Hg SPK 10 NOTE vacuum reading of other than 0 0 Hg may be displayed depending upon barometric pressure and air temperature At extreme altitude the vacuum reading may be as high as 5 0 Hg 2 Push the UP ARROW key once to display TH20 76 F TPS 13 TAIR 77 F Volt 12 0 NOTE The water and air temperatures displayed will vary depending on ambient conditions The system voltage will vary depending on the condition of the battery
44. tle Throttle rods will cause engine surge as the engine moves in its mounts 7 Re tighten the valve cover bolts 13 Brochure 63 0229 2005 Edelbrock Corporation Catalog 3508 3509 amp 3526 Rev 4 05 RS mc Pro Flo EFI Installation Instructions SENSORS The Edelbrock Pro Flo system interprets overall engine operating conditions and fuel spark requirements based on readings from sensors that measure specific engine conditions The Pro Flo system includes five sensors 1 Manifold Absolute Pressure 2 Manifold Air Temperature 3 Coolant Temperature 4 Throttle Position 5 Exhaust Oxygen 02 These sensors with the exception of the 02 and MAT Manifold Air Temperature sensors are designed as an integral part of the induction system and require no installation The 02 sensor must be installed on the exhaust pipe near the engine with a welded fitting and the MAT sensor must be installed into the air cleaner base MANIFOLD ABSOLUTE PRESSURE SENSOR The Manifold Absolute Pressure sensor mounted on the air valve with a bracket converts air pressure load in the manifold to an analog signal sent to the ECU For more information on Manifold Absolute Pressure refer to the section on Speed Density Electronic Engine Management This sensor is connected to the Main System Harness MANIFOLD AIR TEMPERATURE SENSOR The Manifold Air Temperature sensor is a thermistor device which measures air temperature This sensor mus
45. torque Blue gaskets which are designed for use on stock cast iron intake manifolds only 1 SYSTEM INSTALLATION Remove Fuel rails and Injectors Fuel injectors and fuel rails are assembled on the manifold and pressure tested Installing the intake requires the removal of both fuel rails Remove the two 1 4 bolts per fuel rail and flat washers Carefully remove one fuel rail at a time and any remaining injectors from intake manifold Check gaskets on head surface and manifold to make sure they are correct Embossed side faces up NOTE In some cases there may be a different right and left side gasket Make sure both are placed correctly Coat head surface and and the cylinder head side of each gasket with Edelbrock Gasgacinch 9300 Apply Loctite 598 OEM High Temperature Silicone Gasket around S Qu water passages on head surface 318 340 360 only W Firing Order Gaskets and surface will become tacky to the touch within a few 419 426 Wedge 440 1 8 4 3 6 5 7 2 minutes Carefully place gaskets on head surface aligning ports and bolt holes Edelbrock recommends the use of Loctite 598 OEM High Temperature Silicone Gasket instead of end seal gaskets Apply a 1 4 inch thick bead of sealant across each end seal surface overlapping the intake gasket at the four corners 318 340 360 NOTE Use the recommended silicon sealer Others may damage the 02 sensor This method eliminates end seal slippage and det
46. ump run for approximately 2 seconds each time Check the entire fuel system for leaks Refer to the SYSTEM START UP section of this manual for details 2005 Edelbrock Corporation 10 Brochure 63 0229 Rev 4 05 RS mc Catalog 3508 3509 amp 3526 Pro Flo EFI Installation Instructions INDUCTION SYSTEM The Edelbrock Pro Flo system delivers fuel and air to the engine via the induction system consisting primarily of a manifold 4 barrel air valve fuel rails and fuel injectors The induction system is fully assembled tested seal checked and flowed at the factory and is as easy to install as a manifold DO NOT DISASSEMBLE any of these components during installation unless instructed FUEL RAILS The extruded aluminum rail assembly routes the high pressure fuel to the injectors Aluminum rails have an advantage over soft rails both in terms of style and safety INTAKE MANIFOLD The new Edelbrock manifold used with the Pro Flo system is very similar to the successful Victor Jr high performance single plane manifold but has been designed specifically for electronic fuel injection applications 4 BARREL AIR VALVE FUEL INJECTORS The Pro Flo system uses a progressive linkage valve body The Pro Flo system uses high impedance Pico type fuel with four throttles arranged in a conventional 4 barrel injectors These injectors are capable of flowing 29 Ibs hr pattern with staged secondaries The air valve can flow up at 45 psi 35 Ibs
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