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Old 12-29-2017, 12:33 PM   #11
lolife99
67-72 parts collector,…
 
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Join Date: Nov 2002
Location: Mid-MO
Posts: 22,685
Re: Help! With wheel size selection. Should I go 18 or 20

265/45-20 is a 29.4" tall tire up front.
Take one of your front wheels off and measure (with the weight of the truck on the suspension) from the center of your brake rotor up to the inner fender.
Approximately 14-3/4" will be needed just for the tire height.
I'd want a couple more inches (16-3/4") to allow for suspension travel.
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Keith

Convert to disc brakes.
http://67-72chevytrucks.com/vboard/s...d.php?t=444823
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