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#2
03-16-2003, 10:50 AM
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The most accurate way to figure this outis to put the rear axle on jack stands (both sides) pull a wheel off, put a straight edge on the the mouning surface, and measure to the inside and outside of the wheel well. Subtract about two inches from the total for your maximum tire cross section. Subtract about two inches from the cross section for rim width. For back space, subtract about two inches or so from the measurement to the inside of the wheel well. It makes it a lot easier if you draw the wheel well on graph paper. Hope this helps.
Bill
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Bill 64 GTO, tube chassis w/606" IA tall deck, PG & a pro geared Fab 9". 2750 lbs. [email protected]/4, [email protected]/8, 1.1981-60-ft. 8/10/08 
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