All Things Mk5 > Members Rides
James GTI Ko4 2.0tfsi 401bhp - launch control?
Shorty:
--- Quote from: james on October 23, 2012, 06:21:53 pm ---no, did not think you needed it as it does that when you dump the clutch. If i had boost also i would never move.
--- End quote ---
Haha yes, but on a 4wd car it would be awesome. My friend is working on this at the moment, proper launch control that makes boost but on the standard management too.
We want to get it to work on DSG cars aswell, so when your sitting with launch control on at 4,000 rpm your making say 15psi of boost, now that be fun on an S3!
james:
I just talked with nick r tech and it is not possible to get boost as the ecu works on load to make boost.
chungster:
--- Quote from: james on October 23, 2012, 06:51:29 pm ---I just talked with nick r tech and it is not possible to get boost as the ecu works on load to make boost.
--- End quote ---
Can they not "trick" the ECU into thinking it is making load (as everything is run by computers and sensors anyway) ??
rtechniki:
To make it happen a new sub function routine would need to be patched into a blank space of the MED9 ecu code. The raw basics off the function would need to allow the throttle plate to be fully open while clutch swith pressed, at the same time the timing needs to be removed to produce heat and to hold the engine speed static, then all the other functions will need to be changed to allow it to work and not trigger limp mode or faults, one being the missfire controls and timing controls.
The hard bit is getting the car to build boost static with out load on the engine, its a bit like wheel spinning in the wet the lost of traction reduces the engine load and the boost wont match its target request.
ME7.5 launch control with boost build can be done, http://nefariousmotorsports.com/forum/index.php?topic=607.0 but ME9 ecu is much more complex and I cannot see a perfect anti lag launch happening without the aid of external equipment.
rtechniki:
At the moment the only option for MED9 launch control is a 2 step function to aid traction like and F1 car, not to build boost like a rally car.
This is the first fully woking version of a 2step aid traction launch which I have wrote for the MED9 ecu for my ST maps. I am now working on to add it and getting it working perfect on VAG MED9.
Video > http://hexplus.co.uk/
and my first effort of traction launch control on me7.5 1.8T ecu
IMO having a boost build launch on a 2wd tfsi will be over kill, on a Golf R or S3 it would be epic....... Look at the APR 2step launch on keith's Golf R........AWESOME!!!!
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