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Old 08-07-2015, 05:41 PM   #1
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: 1976 C-20 standard axle ratio?

Thanks!

I kind of figured it was 3.73. With the bigger tires (245/75R16) it moves out pretty good on the highway. The speedometer appears to be reading about 10% low.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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