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Old 06-30-2019, 09:35 PM   #22
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: Give me the really big picture on manual trans options

Quote:
Originally Posted by kipps View Post
That's very good mileage! I sure wouldn't be complaining.

With my old TBI 350, running around on the farm, I was getting 7 mpg. I'm hoping for 13-ish under the same conditions, once this LS swap is done.
I get about 12-15 mpg on my 89 K1500, 50 mile round trip to town and the rest puttering around on gravel roads and lots of low range chugging around in the woods. The 350 TBI pickup actually gets better mileage in those conditions than the six banger jeep, though it does a bit better on the highway, 20-22 mpg.
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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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