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Old 01-23-2014, 03:18 PM   #6
special-K
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Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
Re: 16x10 wheels fit on a 1971 K-10

They'll fit fine. You have the same axle as a K/20 which would require 16" wheels to clear calipers. 4.5" backspace on a 10" wheel is only .5" off center,so no ill affects from excessive offset. Us old timers all ran 10" nominal width wheels with 12" nominal width tires. Only more recently has the school of thought turned to running 8" with that width tire. If you look at recommendations you will see 8-10" wheel,so simply a matter of taste. You will throw more slop up on your truck with 10s. But the actual tread will be under the top of the wheel openings. An 8" wheel with a 10.50 tire is the same proportion and anything less is getting too narrow. The wider the tire the more variation allowed.
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