7AT - First Gear Lag

Originally Posted by Ghostvette While downshifting a 7AT might sound cool, it seems to me to be kind of hazardous to the engine. Pick the wrong one and engine goes

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7AT - First Gear Lag

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03-21-2014, 03:51 PM

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SouthArk370Z

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Quote:

Originally Posted by Ghostvette

While downshifting a 7AT might sound cool, it seems to me to be kind of hazardous to the engine. Pick the wrong one and engine goes boom.

...

I'm not 100% certain but I don't think the TCM will let you downshift if it would take the engine RPMs too high.

On older cars, yes, downshifting a lot could cause extra wear and tear. With a TCM protecting the trans, the throttle blip, plus VVEL reducing compression, it shouldn't be a big deal. I'm sure there is still a tad more wear but not enough to worry about. YMMV

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