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Old 05-26-2020, 10:37 PM   #3
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: 77 Scottsdale 4x4

Yeah, I never heard of a "heavy half" 4x4. I had a 1973 K/20 and a 1980 K/10. Way different front hub, but if the lock ring is working right and installed correctly the nuts shouldn't loosen except for bearing wear.

GM did do some tricks to bump the GVWs up to something like 6050 or 6100 pounds just to get around the catalytic converter mandate for a while.
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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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