Untitled - Racing Sport
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1. motorsport gearboxes DG400 6 speed Sequential Racing Gearbox Pole Position J _ Introduction The Drenth Gearbox 400 DG400 6 speed sequential racing gearbox is designed to be used in motorsport Due to its compact design it fits into nearly any rear wheel driven car The DG400 is already used in many cars like several BMW s e30 e36 e46 Donkervoort s Ford s and Honda S2000 s And has been successful in different race events like 24hr N rburgring 24 hr Zolder Belcar 24 hr Dubai Dutch SuperCars VEGE Series BRL VLN Hill climb s rally s Dakar and rally cross This document contains information about the DG400 gearbox It includes technical specifications gear ratio set list and possible options For more detailed information please contact Drenth Gearboxes Drenth Motorsport Gearboxes Fleuweweg 10 7468 AG Enter The Netherlands Phone 31 0 547 38 26 96 Fax 31 0 547 38 20 65 Last modified January 2013 VO3 info drenth gearboxes com Made by Arjan Hoogendijk www drenth gearboxes com Oe DG400 2 motorsport gearboxes motorsport gearboxes DG400 p DRENTH GEARBOXES N or DG400 Technical Specifications General Dimensions Adjustable ptn e i T ae Dimensions BMW Type Weight 33 kg Max torque 420 Nm Spline 10 spline 1 BMW M3 Oil qty 1 25 litre without oil cooler Oil type Castrol Syntrax Limited Slip 75W 140 Original Hardy d2. 0 1 37 07 0051 Oilplug 1 37 07 0050 DG400 10 motorsport gearboxes When the oil pump is added to the gearbox the secondary shaft have to be adjusted This makes it possible to mount the positioning pin The adjustment of the shaft is made by Drenth Gearboxes For more information contact our sales department or visit our website N Y a LA Bh Lg ae So ee AS V a AMIA a Be e en nd a 7 o wo ra gt Ti fan m a s gt H LIS ewe a u an PET IT LA without oil pump DG400 11 motorsport gearboxes Gearlever e There are 2 types gearlevers with different lengths available to suit the drivers need For the dimensions see in the right top corner e The shifting rod is available in different lengths to suit car specifications For the position of the gearlever 37 02 0354 130 mm 37 02 0494 160 mm 37 02 0495 180 mm 37 02 0370 200 mm 37 02 0369 240 mm 37 02 0364 300 mm 37 02 0590 360 mm O O O O O O O e There are 3 different studs available for shift length adjustment o Short stud 37 02 0610 used with a short gearlever o Intermediate stud 37 02 0613 used in combination with the gearbox mount and a long gearlever o Long stud 37 02 0612 used in combination with the tunnel mount and a long gearlever jailable gearlevers AA DG400 2 motorsport gearboxes D M S Gearlev
3. bearing support 37 03 0012 see figure next to the Ford constant shaft A different constant shaft is available on request Ford Type BMW Type 37 02 0113 37 02 0114 15 DG400 motorsport gearboxes Drenth Display Unit The display unit houses several functions to adjust to the driver s needs and to fine tune the gearbox The gear indicator displays the selected gear by measuring the position of the selector barrel with a rotary sensor This function can be calibrated through the supplied software It also can be used as a shift light when a preset level of RPM is reached This preset level and the manner of indicating can be set with the supplied software The gear indicator combined with the D M S gearlever can act as a flatshift system powershift This means that you can accelerate full throttle and shift up without using the clutch or lifting the throttle This can also be calibrated with the supplied software The set comes with a separate user manual For more information contact our sales department or visit our website a unit motorsport gearboxes DG400 16 Drenth Gear Indicator The Drenth Gear indicator is a display unit that can be used with any Drenth gearbox with a rotary sensor Any gear order can be accommodated with up to 7 forward speeds besides neutral and reverse Programming the unit is achieved by the use of a single button and a user friendly programming routine Addit
4. er The Strain Gauge Gearlever is specially designed to be used for flat shifting A strain gauge is an accurate instrument to cut down the engine at the right moment for a smooth gear change Due its design it can be used in all types of cars with a sequential gearbox The gearlever has an analogue output If the mounted ECU is able to use the analogue input for flat shifting then the gearlever can be connected directly to the ECU A digital output can be added with the interface option This digital output can be connected to the Drenth display unit M S gearlever DG400 13 motorsport gearboxes Gearlever Mounting e There are two possible constructions for mounting the gearlever o A frame gearbox mount that s bolded directly on the gearbox o A tunnel mount gives more freedom in the decision of the mounting position There is a steel version and an aluminium version X amp TU nnel mount Oe 14 DG400 motorsport gearboxes Constant Housing There are two type available Ford and BMW Type To fit car engine Ford Type BMW Type Adaptor plate 37 02 0011 37 02 0029 Example RX8 Constant Shaft There are five types available Ford BMW Opel Mazda and Honda type to fit car engine Drenth gearboxes can also supply a bell house or adaptor plate to fit the gearbox on any rear wheel driven car for example see picture right top corner Optional for the Ford constant shaft is a clutch
5. erature When one of them is out of the ordinary stop the test and see what could be wrong The first test is done when all is operating correctly and the gearbox has reached its operating temperature e After the first test the gearbox is ready for a test drive The procedure is the same as the first test Slowly build up the engine rpm and torque when the temperature level starts to increase During the warm up of the gearbox don t warm up the brakes AAA A DG400 7 motorsport gearboxes Gear Ratio Lists Available gear ratios AA ES Available input shafts Input shaft Ford Input shaft BMW Input shaft Opel Input shaft Honda S2000 Input shaft Mazda MX5 Specials Beside the standard gear ratio sets it is also possible to get custom gear ratios for optimising the performance of the car For more information about custom work please contact Drenth Motorsport Gearboxes DG400 8 motorsport gearboxes Options Oil Spray System We recommend the use of the oil spray system if the engine torque exceeds 300 Nm Can be fitted to either BMW type or Ford type The oil spray system can be used with an external oil cooler and oil pump The system consist of DG400 9 motorsport gearboxes Internal oil pump The internal oil pump can be used for the oil spray system and or for an external oil cooler The system consist of Can be fitted to either BMW type or Ford type Lid oilpump 1 3707003 Washerm1
6. ionally the unit features a counter to log the total number of gearshifts made useful for tracking the life of critical gearbox components The set comes with a separate user manual For more information contact our sales department or visit our website DG400 motorsport gearboxes 17 Oil breather catch tank The DG400 gearbox needs an oil breather system for breathing the gearbox Drenth gearboxes recommends an oil breather catch tank for breathing the gearbox The following breather catch tank with the corresponding parts suits for a Drenth gearbox The tank needs to be placed vertical and above the gearbox for a smooth return of the oil For mounting the tank there are two 6 mm holes the hose needs to be cut to size For more information please contact our sales department The system consist of een tank 1 25 03 0200 2 1 Oil breather catch tank Adaptor hose Oil hose 1 m 25 03 0201 a 25 03 0203 25 03 0202 DG400 motorsport gearboxes sather catch tank 18 Mounting Bracket e There s a bracket available which is special developed for the BMW E46 The bracket fits directly on the original support bracket mounting place of the BMW e There are two support blocks available to soot the car specifications o Aluminum blocks for circuit racing o Hard plastic block for rally raid For more information please contact our sales department Es BENE Suppor
7. isc can be used Depends on gear ratio and car weight DG400 motorsport gearboxes m m a j gt gt e eta a 4 1 dim ensions BMW Adjustable 149 E MS AA 160 W4 8 AS Mar a SP7 Dimensions Ford Type Weight 33 kg Max torque 420 Nm Spline 23 spline 1 Oil qty 1 25 litre without oil cooler Oil type Castrol SAF XJ Depends on gear ratio and car weight dimensions Ford DG400 gt motorsport gearboxes Cross Section NS S A 4 e S NO SO OS CS Se LS S ELF SEE LK ES DG400 motorsport gearboxes Run in Procedure e Run through the gears while the gearbox is not mounted underneath the car Also check if the gear indicator shows the correct information while going through the gears If not check the calibration of the potentiometer e When this is working and the oil level is correct 1 25 litre the gearbox can be mounted on a test bench or underneath the car For the first test the wheels should be tilted from the ground Before the test run make sure that the gearbox is in the neutral position During the test run go through all the gears in a low rpm range When the temperature starts to rise the engine rpm may also go up The temperature and the rpm build up must go up evenly and check the given information on the gear indicator During the run also concentrate on the noise production vibrations and the temp
8. t bracket DG400 vs S54 1 37 03 0083 Bolt M10x25 39 08 0300 Bolt M8x55 37 03 0086 Support Block alu 37 03 0084 Complete S54 vs DG400 bracket ALU 37 03 0081 37 03 0080 Complete S54 vs DG400 bracket POM ting Bracket DG400 19 motorsport gearboxes Contact Information AAA AA DG400 20 motorsport gearboxes Racing Sport C Redomeira 126 Calle Aragon cruce con Subida a San Juan Telefono 986 48 56 62 info racingsport es www racingsport es motorsport gearboxes DG400 21 saxoqgleab uj saxoqgsieab 310d5 1030Ww1 pagg woo s xoqIe p yzu Ip MMM
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