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Old 11-01-2019, 08:19 AM   #10
Join Date: May 2010
Location: Garden Spot Upstate, NY
Posts: 38
Default Re: What revs at 60MPH

There are four main variables. Here is a calculator, if your speedometer is accurate, you can measure/figure your as-running tire diameter and know differential ratio:

Last edited by DGNY; 11-01-2019 at 08:23 AM. Reason: Clarity
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