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Old 12-21-2010, 10:30 PM
Tom Kirkham Tom Kirkham is offline
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Join Date: Jan 2002
Location: Provo, UT
Cobra Make, Engine: HiTech Legends GT500
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275/60-15=28 in diameter

So if you are running 28 in tall tire, you need to multiply Mike's results by 28/26=1.077

Something else to think about is being able to drive your car into a trailer. For my old car 427 FE, cam with lots of over lap, 3.31, CR, aluminum flywheel, and a 28 in tire, it is very difficult to load into the trailer, with out smoking the clutch. So I drive fairly fast into the trailer. I really should use a winch.

My other car, 302 healthy cam, alum flywheel, CR TKO 600, 3.54, 26.6 in tire is easy to drive into the trailer.
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