02-21-2014, 07:21 AM
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Swordfish
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Join Date: May 2009
Location: Raceland
Posts: 6,731
Cash: 3,477
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You talking about 3/16" difference, 235 80 17s are 31.80" dia. The 265 79 17 are 31.61" dia which is .19" or 3/16"
http://www.wallaceracing.com/tire-aspect-calc.php
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