Quote:
Originally Posted by cooper1965
There is unfortunately very little to gain at the sub-400hp level, with a 2017+ TCM tune... Some TM tweeks in between gear changes, probably wont net you .5 in the 1/4.. It's really a very small problem for 2017+ unless you get into BIG HP.. Since I know you love DYNO results: I'd be willing to bet there would be 0 dyno difference between a typical bolt on tuned TCM VS un- TUNED TCM on a 2017+...
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First of all, yes, ZZP tunes 2017's. I believe the record holding car is a 2017. Enough about the TCM. Evil Bee can either pay the 4 credits, or just drop it at this point. I agree with Coop, not enough left on the table to justify the added cost. You wouldn't even pick up .5 seconds, more in the range of .1 maybe with a killer shift program. The most worthwhile part of the TCM is the shift time, which already occurs in milliseconds. I wouldn't compromise my transmissions longevity for .1 in the quarter. Aside from the shift times, there is possibly some torque management modifiers. I would think you could zero those out, or damned close to it with the regular ECU tune. Torque management isn't an entirely bad thing either. It's put in there to reduce transmission clutch wear, which is what kills a lot of transmissions. Finally, TCM reprogramming is a can of worms. There are 2 guys in the LSx world I would trust to tune an A6 or A8. It is VERY easy to get it wrong and nuke a transmission.
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