Best way to proceed with improving up 427 Windsor street setup

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#19 (permalink)

05-25-2016, 04:53 PM

Shootnride Shootnride is offline

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Join Date: Jun 2013

Location: Sacramento, Ca

Cobra Make, Engine: Superformance, 427SO

Posts: 389

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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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