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Old 08-06-2017, 10:52 AM   #10
mr48chev
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Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,286
Re: Any suggestions on a tire size

I didn't even notice that the wheels were six lug but going to 15 inch rims sure would open up the tire options for you and let you run a taller tire that is more compatible with the rear axle gears That chart that I showed in post nine shows the rpm in different gear ratios for the tires you plug in at the bottom . It might cost some to change rims but getting a taller tire on that truck will cut down engine speed and save a bunch of engine wear and a lot of gas.
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48 Chev 3100 that will run a 292 Six.
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