ARMS シングルスクロール M7760/7960/8265
Contents
1. 10 22L25L Dae TOMEI EXPREME mes ToweiExpREE EJ2. 2 2L 2 5L M7760 ms 70 75
3. 22L 25L
4. Le 221 25L M7760 BZ Z TE J 0 9k 12 8 M7960 0 9kg cm 12 8psi ae M8265 oo 22L25L Lwses sseps 350ps
5. x5 9 1 80 90 185L h 3kg cm 2 TOMEI 255L h 3kg cm a 235L h 3kg cm TOMEI 255L h 3kg cm x x 0 06 80 909 Le 221 25L M7760 2 om use Bios TOMEI type S M7960 TOMEI type S 3k 22
6. Installation of the product is to be carried out after the instructions here are carefully read For further reference compare this manual with the official SUBARU service manual After installation keep this copy for future reference Be sure to give a copy of this instruction manual to the customer Thank you for purchasing another quality TOMEI product The ultimate bolt on ARMS turbo series After extensive testing of dozens of various combinations on the engine bench Dyno we have finally found the best possible combination for an all round responsive torqueful performance turbo without comprimising street driveability These are the key design points of our ARMS series turbo chargers With a stronger actuator our turbine will perform better at higher boost levels that is required to maintain stable boost levels at higher RPM Our kits comes complete with all gaskets piping and fittings that is required for the upgrade A E
7. ee zzLzsrW r J TAN 4 mes TE RE 22L25L M7760 M7960 vzs US ae 2 2L 2 5L M7760 8 9 TEET HE M8265 8 9 8 9 1 1 N CAUTION This manual is for the instructions on the removal and re installation of this
8. A E E M8265 60 TOMEI 451002 5 E LLC E 1 2 MAX HOT
9. 6 M7760 M7960 M8265 fa wo coo wo 22L25L M7760 TOMEI Me265 ER TOMEI APE 350ps M7760 7960 8265 1 6kg cm 22 8psi 5 2 2L 2 5L M7760 l 42 TOMEI H 17560 M8265
10. E E E E E
11. 11 MAX 12 3000rpm 1 2 3 4 3000rpm 5
12. 3 4 2L min 5 6 9 7 8N m 0 7 lt 0 8kgm 6 7 8 2500rpm 10 2 3 9 10
13. 14445AA090 2 1 ARMS AN Cm __ ra Pet 3 3 DAN4 M12 P1 0 AN4 M10 P1 5 JANA A AN 90 4 AN4 M10 P1 5 lt Th he OEM Ports ie parts to be reused GR GV
14. E E E E E E
15. 1 A 1 B 1 BAT INA AN4 M10 P1 5 1 2 3 4 1 AN4 M12 P1 0 1 1 x x N N 14445AA090
16. 1 4 1 5kg cm 19 9 21 3psi 1 6kg cm 2 2 2 2L 2 5L M7760 TOMEI PONCAM M8265 __ ToMeiPoNAM Les 2 2L 2 5L gt NEn M7760 SI 2 KES M7960 _ eee TT A R
17. Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base HEAD GASKET M7760 STANDARD CHANGE TO METAL TYPE M7960 RECOMMENDED M8265 E TOMEI METAL HEAD GASKET The stock EJ head gasket is a metal type gasket But during high boost applications the higher combustion pressures are then unsafe There is still room for improvement to increase sealing properties By upgrading the head gasket you can then stabilize surface pressures Chose the right gasket thickness to suit your Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base MEG TRIE o 650cc or Higher C B300 oF Higher To work out the injector sizes you need you use this formula desired compression ratio Target Horsepower x 5 9 No of Cylinders the cc flow amount per cylinder required Take into account that you will run up to 80 90 of the injector s capacity Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 185L h or Higher Fuel Pres 3kg cm M7960 RECOMMENDED TOMEI 255L h Fuel Pres 3kg cm FUEL PUMP SIZE 235L h or Higher M8265 Fuel Pres 3kg cm RECOMMENDED TOMEI 255L h Fuel Pres 3kg cm To work out the fuel pump size you need you use this formula Injectors Capacity x No of Cylinders x 0 06 Fuel Pump flow rate required Then consider that the fuel pump should be used at 80 90 capacity when making your choice Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base FUEL PRESSURE M7760 U SSU RECOMMEND
18. The standard outlet is together with the front pipe and the catalytic converter and the stock design hinders exhaust flow The design of the factory standard model restricts the performance potential of the engine to suit emission standards Especially at higher engine speeds with high boost the turbine suffers from restricted exhaust flow which will cause problems with controlling boost levels With properly designed headers and exhaust piping more potential can be extracted from the engine with a larger metal catalytic converter Boost conditions will remain stable and controllable the Turbine will also deliver good response Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 Meet MUFFLER M7960 RECOMMENDED MAIN PIPE DIA 980 or Similar RECOMMENDED M8265 a MAIN PIPE DIA 80 or Similar As with the TOMEI outlet pipe design a larger diameter design with smooth internal design to maximize exhaust flow and not cause any performance restrictions Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base ENGINE MANAGEMENT ECU M7760 M7960 Optimize the Engines Setup M8265 __ _ Optimize the Engines Setup An aftermarket ECU is required to optimize the setup of your engine with the new setup Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 UPGRADE REQUIRED Recommended 8 9 Heat Range M7960 UPGRADE REQUIRED M8265 Recommended 8 9 Heat Range With the increase of horse power the increase in combustion temperatures
19. 0 9kg cm 12 8psi Not Required M8265 The pre set pressure is 0 9kg cm 12 8psi The actuator has been pre set at our factory so there is no need for any additional adjustments boost drops But it is best to have a boost controller installed to make the required adjustments on the day when driving conditions demand certain performance conditions Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base TARGET POWER M7760 350PS 380PS M7960 350PS 400PS e265 150PS With the stock motor the head gasket is the weakest point So by upgrading the head gasket to a metal type with boost settings 1 4 1 5kg cm2 19 9 21 3psi 350PS is then the standard limit of the normal engine When the boost setting target is 1 6kg cm we then highly recommend to upgrade the pistons to Forged Pistons The larger Turbos are designed to suit those who are running larger displacement EJ engines of 2 2L and higher Since these larger engines demand more from the Turbos as they have more potential The larger Turbos are best suited for them Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base CAMSHAFT M7760 TOMEI PONCAM or Similar M8265 TOMEI PONCAM or Similar The stock camshafts are inadequate to obtain sufficient exhaust pressure when using larger Turbos So camshafts become a vital part of the engine tuning process It helps change the engines characteristics to help utilize the larger Turbos potential 19
20. TOMEI H 350ps 22L25L 1 4 1 5kg om 19 9 21 3psi 1 6kg cmX22 8psi Lwses _ 1 6kg cm 22 8psi M7760 380ps M7960 400ps M8265 450ps M7760 7960 350ps 1 4 1 5kg cm 19 9 21 3psi H 1 6kg cm 22 8psi 4 5
21. and this will be a risk of the plugs from melting The recommended plug heat range of 8 9 is suitable 22 23 TOME POWERED c tit RENT T 194 0004 1737 3 TEL 042 795 8411 4 FAX 042 799 7851 1737 3 Tsuruma Machida shi Tokyo 194 0004 JAPAN TEL 81 42 795 8411 main switchboard FAX 81 42 799 7851 http www tomel p co jp 9 00 18 00 If you have any questions in regards to the installation of this product please contact your local authorised Tomei Powered distributor OPEN Monday Friday National holidays and public holidays excluded 09 00 18 00 ARMS EJ SINGLE SCROLL M7760 M7960 M8265 2015 1 M17Y04 0 ARMS EJ SINGLE SCROLL M7760 M7960 M8265 TURBINE KIT INSTALLATION MANUAL 2015 1 M17Y04 0 24
22. compressed and sent to the engine This process forces the air temperature to increase with heat So when it does the air density drops and combustion efficiency becomes poor resulting to performance loss The intercoolers job is then to extract the heat from the forced air via the fins in the intercooler This again helps compress the air again and the denser colder air will improve combustion efficiency to optimize performance Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base BLOW OFF VALVE M7760 RECOMMENDED Recirculation Type M 960 Strengthened Type The Non Vent To Atmosphere Type RECOMMENDED M8265 Strengthened Type The Non Vent To Atmosphere Type When the throttle is suddenly closed the forced air from the Turbine will have no where to go This restricted flow places a heavy burden on the turbo and other parts So the Blow Off Valve is fitted somewhere between the turbo and the throttle to prevent this problem by giving an option of an escape route to vent the excess pressure This saves the turbo from any possible problems The stock BOV was never designed to handle high boost applications so it will struggle to do its job properly when the limits are exceeded This puts the turbo at risk of failure and response drops This is why we recommend to upgrade the BOV to a stronger type Additionally when the BOV is a vent to atmosphere type this can cause other problems with the ECU not being able to read correct air volume tha
23. levels Check the amount of water that has entered the reservoir tank Start the engine and hold it 3 000 RPM and check for any signs of exhaust leaks and or strange noises Do a test drive and check that the turbo is coming on boost as normal Factory boost settings is at 1 0kg cm so please also add a boost conroller to adjust your settings Check your boost meter and boost controller for any abnormal signs Once again check all the parts that were installed and or replaced as well as the water and oil levels or signs of leaks Do not turn the engine off immediately after hard driving Check engine oil periodically 17 SPECIFICATIONS POWER POTENTIAL 380PS 400PS 450PS SETTING GUIDE RECOMMENDED SETUP Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 PISTONS M7960 RECOMMENDED TOMEI FORGED PISTON KIT FORGED PISTONS M8265 RECOMMENDED TOMEI FORGED PISTON KIT The stock pistons limit is up to 350PS Forged Pistons are required from this power level and higher When running either M7760 M7960 amp M8265 Turbos at 1 6kg cm2 22 8psi of boost the combustion pressure will be significantly higher which can quickly lead to pre ignition which can quickly melt or burn the pistons This is when the stock pistons will soon reach their limit So high boost applications will require a Metal Head Gasket to be used with Forged Pistons STOCK ENGINE Engine Tuning with a 2 2L 2 5L Base M7760 RN RN CONRODS M7960 RECOM
24. prevent possible burns and or injuries when the engine is hot When removing and re fitting the parts please perform the job with care Do not use excessive force on the bolts and parts soas notto cause any damages to the parts and or related parts Please tighten each bolt with a torque wrench This will prevent any possible damages to the bolt and also ensure that it won t come undone Prior to testing the car please check for adequate levels of coolant and any signs of leakage If there are signs of lack of coolant leaks and or rapid rising of temperature stop the car immediately so as not to risk engine damage Have a boost gauge fitted to your car if not already to monitor the turbo via the boost levels to ensure that it is operating as normal REQUIRED TOOLS GENERAL ENGINE MAINTENANCE TOOLS TORQUE WRENCH WORKSHOP SERVICE MANUAL 12 KIT CONTENTS The following items illustrated below are the items included in the kit Item Quantity is noted in COMPRESSOR DISCHARGE HOSE 1 AN MALE to AN FEMALE 90 1 OIL RETURN PIPE WATER PIPE B 1 WATER PIPE A 1 OIL RETURN PIPE B 1 GASKET 1 STUD BOLT 3 HOSE BAND 2 a S Ip LARGE EYE BOLT 2 NUT 3 THERMAL HOSE 1 lt NY TOMEI ss encores NN EYE BOLT EYE BOLT EX lt A LARGE GASKET SMALL GASKET E Cae 4 1 13 1 REMOVAL OF THE STOCK TURBO Disconnect the battery s negative terminal and refer to the service m
25. 2015 1 M17Y04 0 TOMEI The Engine Specialist i E 69 D INSTALLATION MANUAL EJ M7760 M7960 M8265 ARMS EJ SINGLE SCROLL M7760 M7960 M8265 TURBINE KIT M7760 M7960 M8265 PART NUMBER 173016 173023 173024 EJ20 25 SINGLE SCROLL APPLICATION 2p English mmm mm mm ms10p TOMEI ARMS
26. ED TOMEI type S REGULATOR M7960 RECOMMENDED M8265 TOMEI type S Changing the fuel pump will require you to adjust the fuel pressure with an adjustable fuel pressure regulator to suit the new setup You will need to set it at 3k when idling without the vacuum hose being Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base AIR CLEANER M7760 M7760 STANDARD AIR FLOW AIR FLOW LESS M7960 C AIR FLOW LESS Please select the correct air cleaner capacity which best suits the target horsepower range Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base STANDARD AIR FLOW AIR FLOW LESS connected AIR FLOW M7760 M7960 M265 AIR FLOW LESS 400PS is the limit of the standard setup 20 Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 SUCTION PIPE 17960 Optional MAF Remapping Required for upgraded pipe REQUIRED M8265 TOMEI SUCTION HOSE When running higher boost the stock suction pipe at times can deform under high pressure conditions this hinders intake efficiency With the use of a hard pipe type it then resolves the problem and increase performance gains MAF remapping is necessary when the use of upgrade pipe because the characteristic of MAF sensor may be changed by the change of suction pipe Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base INTERCOOLER M7760 ae UPGRADE RECOMMENDED M7960 M8265 REQUIRED Main Upgrade Pressurized air from the Turbine is
27. L 25L M7760 EA M7960 M265 BARTI 22L25L M7760 a Q 7 Qan Q TEITT Mazgs 400ps
28. MENDED TOMEI H BEAM CONRODS H BEAM CONRODS M8265 RECOMMENDED TOMEI H BEAM CONRODS The stock connecting rods are one of the weak points of the EJ engine When aiming for more than 350PS then it is highly recommended to upgrade the connecting rods 18 STOCK ENGINE 2 2L 2 5L Base BOOST SETTINGS Using a Boost Controller Using a Boost Controller 1 4 1 5kg cm 19 9 21 3psi 1 6kg cm 22 8psi Luezes At 1 6kg cm2 22 8psi of boost the ARMS M7760 is capable of 380PS the M7960 is capable of 400PS and the M8265 the largest one is capable of 450PS The stock engine first weak point is the head gasket So at the very least the upgrade of the head gasket to the metal type is highly recommend So with the upgrade of the head gasket to the metal type and the rest of the engine remains stock The limit then will be 350PS with either the M7760 or M7960 The above figures is with 1 4 1 5kg cm2 19 9 21 3psi of boost When Forged Pistons and H Beam Connecting rods you can then run up to 1 6kg cm2 22 8psi of boost But again that depends on the cars setup and condition Boost should only be set when in 4th or 5th gear As when it is changed whilst in lower gear the higher load in lower gear will result in the wrong boost settings It s not unusual to see on some occasions when the rpm reaches its peak and the Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base M7760 ACTUATOR SETTINGS M7960 The pre set pressure is
29. anual for the removal of the standard turbine The items marked with an X next to them in the below illustration will no longer be required X Marks the parts that Should NOT be reused N CAUTION To save time and to avoid mistakes make notes on where each part belongs for the parts that you will reuse N Inspect the tube for any signs of blockage and or possible signs of problems Thoroughly check the oil inlet pipe to ensure that it has been cleaned properly and flushed with high pressure air prior to fitment Verify the Banjo Bolt head side oil line If the bolt is the non orfice type then change it with Subaru genuine part 14445AA090 Orfice Type Bolt No Orfice Type Bolt SUBARU OEM Part 14445AA090 14 2 STUD BOLT INSTALLATION 1 Install the side bolts supplied with the turbine Install the stud bolt to the ARMS Turbo A Pay attention to the stud bolts direction SHORT LONG To be fitted in these 3 places Turbine has the shorter side of the bolt These are to be used with a double nut method When remove the nut please ensure that the bolt doesn t move 3 OIL LINE INSTALLATION 5 Attach the oil line pipe to the AN4 M12 P1 0 adapter 2 Copper Washer AN4 M10 P1 5 Adapter 3 AN Male to AN Female 90 Attach the Turbo to the Mesh Hose Attach the Mesh hose to the Thermal Hose 15 4 TURBO INSTALLATION The following parts are required to install the tu
30. closing the cap Have a new copper washer ready for when closing the air plug Air Bleeder Plug Torque Specs 6 9 7 8N m 0 7 0 8kgm Close the radiator cap and have the engine running the thermostat will keep the coolant circulating Check the water temp gauge to see if the temperature is rising and also carefully feel the hose if there is warm water flowing through it Once the thermostat is checked and working properly checks the water temperature to see that it is not rising abnormally fast You can do this by holding the revs at 2 500 RPM for 10secs at a time for about 2 3 times Stop the engine After the engine has cooled down open the radiator cap and check the coolant fluid level again to see if the coolant level has dropped or not If it has then you will need to repeat the above process again When the fluid is no longer receding then you can top it up to the noted limit or till you reach the max on the reservoir Start the engine let the engine idle at 3000rpm and check that the heater core has the sound of water flowing through it Check the instrument panel until you see the liquid level stop dropping INSTALLATION VERIFICATION 1 2 3 4 5 6 Check the E Brake with the gear in neutral to ensure that it is working Double check for any signs of water and oil leaks during idling When the engine is turned off check the water and oil levels again to be sure that they are at the right
31. rbo REQUIRED PARTS AN4 M10 P1 5 ADAPTER EYE BOLT GASKET SMALL There are the OEM parts to be reused TORQUE SPECS Impreza Sti 2008 or later vehicles will require to use the supplied parts to connect the Turbo to the stock intercooler layout N CAUTION HM When installing the pipes tubes please be sure not to over tighten them or screw them on the wrong way as you can damage these parts and or related parts Mi The M8265 turbos inlet diameter is much larger than the stock type So the stock suction hose cannot be installed Tomei Turbo Suction Hose Part Number 451002 will be required sold seperately 16 9 COOLANT amp BLEEDING CHECK CAUTION Mi It is best to use proper coolant LLC as normal water will help increase chances of internal rust from the radiator and engine related parts HM DO NOT open the radiator cap when the engine is running or while it is still hot as the water from the radiator may spray boiling hot water onto you 1 2 3 4 5 6 7 8 9 10 11 12 Check that the radiator hose clamp is securely fastened Have the heater control set to MAX The air plug is a copper washer bolt near the warning label Release the air from radiator cap via the bolt At approx less than 2L min fill the coolant tank to with coolant to bleed any air from inside Check to be sure all air has been bled properly and fill to the required level before
32. t is flowing into the engine As the volume of air still passes through the air flow meter but not all of if goes to the engine In this case the air to fuel mixture will be incorrect So we recommend the recirculation type design Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base EXHAUST MANIFOLD M7760 TOMEI EXPREME or Similar M8265 TOMEIEXPREME or Similar When you upgrade the camshafts to optimize the exhaust pressure getting it right will help optimize the turbine wheel efficiency Then you ll have to have the right exhaust manifold to optimize exhaust flow your turbine will benefit more which will show in a sharper boost startup However in the case of the EJ engine the distant from the turbo to the exhaust port is quite far so when the piping is made too large response will drop In addition some models may require the oil pan to be modified to allow the equal length headers to allow fitment In addition to this depending on the factory setup of your model and the type of headers that you chose to use the turbine distance to the exhaust port may be larger This will affect the response With the EXPREME exhaust manifold design the exhaust backpressure will be improved to give you an easier and sharper turbine spool 21 Engine Tuning with a STOCK ENGINE 2 2L 2 5L Base TURBINE OUTLET M7760 RECOMMENDED METAL CAT M7960 METAL CAT PIPE DIA 070 075 FRONT PIPE RECOMMENDED M8265 METAL CAT PIPE DIA 9 70 075
33. turbo kit You will need to have the official service manual from Fuji Heavy Industries for your car for additional reference on the disassembly and reassembly of other related parts This product is designed to be used for off road competition purposes This product may not be road legal in your country so please check with your local authorities prior to use on general public roads This product will increase your engines power output so it is necessary to address and upgrade your suspension and brakes to suit the increased power for added safety This product was specifically designed for the vehicle application as stated above This is not designed and may not be suitable for other cars engines other than stated in this manual If this product kit is installed on any other vehicles engines it may damage this product and or the engine vehicle that it is fitted to This installation manual simply explains the removal and installation of the turbo unit as well as the air pipe s heat shield and the coolant as well Please read this manual carefully in advance to prepare all the necessary tools required for the job This product is to be fitted by an experienced professional in a fully equipped workshop Protective equipment may be required for the installation process so please ensure there is the appropriate safety and 1st aid equipment readily available for the installation It is best to work on the car when the engine is cold as it will
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