Quote:
Originally Posted by SuperSound
You are on the right track but it's not a shudder from "lugging the engine". The TC is locked up in these cases and has a programmed amount of slip (between the engine RPM and driveshaft RPM). The issue is too much slip on the TC. Some guys have tuned out the slip valves and the issue stopped. But the real issue is not so much the slip values, but that the TC material is causing excessive slip. I'm not a auto trans expert, so anyone correct me if I misspoke.
The above is at least the prevailing theory at this point. Hopefully we will get some answers from the "Ask Al" thread.
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Thanks for sharing that summary, great info!!
