Colby, I'm not running an overdrive, I have a Muncie M20 4 speed. I have an 8.2 10 bolt rear end with 3.08 gears. I may go deeper later on 3.42 or so. With a 255/60 15 (27 inch tall) I will be about 2400 RPM at 65 MPH.

I built my engine to run street or strip. I would like to run it on the local drag strip once in awhile.

Last edited by TUTS 59; 08/18/2021 1:14 PM.
~ Craig
1958 Viking 4400
"The Book of Thor"
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1960 Chevrolet C10
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane