Quote:
Originally Posted by Philipp
When lapping at the race track, I often hit the Rev-limiter will downshifting... Besides the "wheelhopping" effects, I do not understand why this will cause a blown engine???
Done this more than 300 times on my previous car without any engine issues... Is the Rev Matching disabling the engine cut-off sensors???
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I think we're confusing down shifting with up shifting. 1-2 upshift, 2-1 downshift. Going from 2-1 it is possible to force the engine to over-rev because of the speed the wheels are turning. No amount of fuel cut will keep engine from exceeding the rev limit when there is a mechanical link to the wheels. That is a money shift and will definitely lead to major engine damage in some fashion.