Gold Lifetime Member
Join Date: Apr 2002
Location: Walla Walla, WA
Re: T56 Information - First Generation Camaro Swap
I had an Aftermarket T56 (2.97:1 first gear) with 4.11's and that was a short first gear - 12.2:1 overall gearing. I've had a 2.66:1 T56 in front of 4.11's (10.93:1 overall gearing - roughly the same as a wide ratio Muncie and 4.11s) and that was pretty decent, but with a lot of engine or a heavy foot, you need to be careful starting from a light. Now I've got a 2.66:1 T56 in front of 3.70s (9.86 overall gear ratio) and couldn't be happier. Anyone who thinks of this combination as a granny gear has never experienced a granny gear.
With a T56, I'd concentrate much more on 6th gear usability. An old school relatively high performance SBC/BBC won't be happy cruising at less than 2,000 RPM (plus or minus 100 RPM). An LSx will be happy down to about 1,400 RPM. My advice for a car meant to be a driver is to figure out what speed you think you'll be cruising at, where your engine is happy, and then back into the rear gear ratio.
Mike - '68 Camaro - aftermarket or modern pretty much everything.
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