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Old 05-09-2017, 08:17 PM   #37
JSeery
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Location: Wichita KS
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Default Re: 1949 Ford F1 question

If anyone is interested:

RPM = (MPH X GR X 336) / Tire Dia

TD / RPM (using 3.73 GR & 65 MPH)
26 3,108
28 2,886
30 2,694
32 2,525
34 2,377
36 2,245

And

GR / RPM (30 inch Tire Size & 65 MPH)
4.27 3,109
3.73 2,715
3.54 2,577

Last edited by JSeery; 05-09-2017 at 08:28 PM.
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