Preserving transmission synchros

JARblue

I would say there is nothing gentle about my high RPM shifting. But if done properly, the excess wear is minimized. Hard shifting at high RPMs is always going to wear on the synchros more than normal, casual shifting. But it shouldn't significantly decrease the life of the synchros unless you just do it all the time or do it improperly.

Even though I clearly have some synchros that are wearing as indicated by my grinding when upshifting from 4th to 6th, I have never experienced grinding on a hard sequential shift at high RPMs.

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