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Old 03-05-2003, 07:56 PM   #1
stng87
Registered Member
 
Join Date: Sep 2000
Location: southern california
Posts: 329
Default formula for mph with diff gear

Just changed back down to the 355 gear and now I dont know how fast I am going again. Does anyone know the formula used to calculate this?
i know it involves rpm, tire height, final drive ratio
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1987 black with t-tops. Cobra intake, 1.7 cobra crane rollers, gt40p's, bbk shorties, off road h-pipe, Holley adj. fuel pressure regulator, Tremec t-5z, 65mm TB, 4.10's, adj cable, 155lph fuel pump, Ram clutch kit, 3 row motorsport radiator,
Chrome cobras17x9 front, 17x10.5 rear, Hurst shifter,Former AOD Semper Fi
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