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Old 07-06-2010, 10:35 AM   #175
SCOTI
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: Dropmember Rear 63-72 Spy Pic

A 12" wheel does = 13" lip to lip as the tire bead needs approx .500" to seat.

As for calculating tire sidewall 'bulge', it can be done using other possible combos to get a visual 'feel' for how much room is necessary (a 315mm tire on a 12" wide wheel would have 'bulge' comparable to a 265mm tire on a 10" wheel etc....).

Ray, have you considered a 20 (or 22) x11"?
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Last edited by SCOTI; 07-06-2010 at 10:36 AM.
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