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Old 05-25-2019, 11:13 AM   #19
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: bad fuel delivery 77 c20 dual tanks

Funny, my 1973 and my 1980 had 20-21 gallon factory tank(s).

The 1980 only had one factory tank (right side) but I had the dealer install a left side tank. It had a valve/switch but I can't remember if they put it in the middle of the dash just like the factory switch. I only had that pickup for about a year and a half.
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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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