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Originally Posted by Shootnride
There have been quite a few threads on this forum about this subject and it always fascinates me just how different our individual preferences are concerning gear ratios and especially the .64 vs .82 overdrive ratios. I have a 456 cu in FE making about 500/500 HP/TQ. With the cam I have in my motor it likes to run above 2000 RPM. I'm running 15" tires, 3.73 rear end and .64 5th gear. I'm turning about 2300 RPM at 70 MPH in 5th gear, which suits me perfectly. When I drop to 4th gear at 70 MPH I'm turning about 3300 RPM. As JHV48 said, it's a 1000 RPM drop between 4th and 5th but I find that I still have plenty of torque for passing.
Ted
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I will swap to a . 64 one day if I keep the TKO-600. I cruise 70mph+ a pretty good bit and it just makes since if you start throwing gears in the car.
Quote:
Originally Posted by 8litercobra
What Shootnride said - "it always fascinates me just how different our individual preferences are concerning gear ratios and especially the .64 vs .82 overdrive ratios". I just put in a T56 and have both!! Still finishing up the install......wish me luck.
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It has been said that it is expensive and heavy but the T-56 offers awesome gearing selection. I think you will be pleased.