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Re: Rear end ratio help?
Given that you are at 2000 RPM at 70 MPH, that means you are doing 35 MPH per 1000 RPM. This is the ratio in my suburban with 245/75R16 (30.5" diameter) and 3.73 rear gears. If your tires are smaller, you have a lower ratio rear, if your tires are larger, you have a higher ratio rear.
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1970 C20 Custom Camper - 350, TH350
1997 GMC Suburban
1994 Acura Integra GSR
1987 Dodge Daytona Shelby Z
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