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05-30-2007 10:27 AM #6
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- Apr 2004
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- Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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Going from a 27" tire to a 30" tire will drop your RPMs at a given speed by about 11%. It's a straight linear relationship.
RPM = MPH x Axle Ratio x 336
Tire DiameterJack
Gone to Texas
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A belated Happy 78th Birthday Roger Spears
Belated Happy Birthday