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1976gmc20 · 01-12-2021, 06:19 PM

I never drove my C/50 much over 50 mph. Was up in the mountains and back then the max limit was 55. I was warned about over speeding the big V-6 but hardly ever had a place to go that fast anyway. I bought another engine with a big hole in the side of the block just for the extra parts: heads, manifolds, carb, power steering, etc.

You might get a laugh out of our old 6x6 army water tenders going down the highway at 45 mph with the emergency lights flashing and all the rest of the traffic passing instead of pulling over

01-12-2021, 06:19 PM	#10
1976gmc20 Registered User Join Date: May 2015 Location: Montana Posts: 3,696	Re: 5500 NAPCO front ??? I never drove my C/50 much over 50 mph. Was up in the mountains and back then the max limit was 55. I was warned about over speeding the big V-6 but hardly ever had a place to go that fast anyway. I bought another engine with a big hole in the side of the block just for the extra parts: heads, manifolds, carb, power steering, etc. You might get a laugh out of our old 6x6 army water tenders going down the highway at 45 mph with the emergency lights flashing and all the rest of the traffic passing instead of pulling over __________________ 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