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Old 06-28-2007, 10:06 PM   #50
SCOTI
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Location: DALLAS,TX
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Re: 18,19,20's wheel size.

Quote:
Originally Posted by 72 Cheyenne402 View Post
245-45-R18 in the front and 275-40-R20 in the rear. When I pulled some measurments on my truck I came up with a 1" to 1.5" adaptorin the rear. It was hard to be exact without wheels to test fit
I always 'reverse calculate' using some wheels I already have access to. I typically use steel ralley wheels 'cause I always have 1 or 2 around.

See how a known wheel fits & get BS measurements. Then add or subtract the difference of the 'new' wheels BS & see how far in or out you need to go.
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