When does 3 speed automatic transmissions shifts(RPM)? from first to second, second to third?

5

Asked by Dan May 29, 2018 at 12:38 PM about the 1978 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

My 3 speed Automatic transmission does not shift anywhere lower than
4000RPM, I don't know if its shift at all, I've put a brand new engine in my
chevy, I need to do break in but I don't want to burn and ruin my new engine.
What is appropriate RPM for 3 speed Automatic transmission to shift to
second, and second to third gear?

2 Answers

F_O_R answered 6 years ago

Full throttle shifts should be around 5 grand or higher.

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Manfred answered 4 years ago

Did you find an answer to your question because i also want to know how high i need to push my rpm inorder for it to shift to 2 and 3

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