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Old December 20th, 2013, 01:13 PM
GMCv6inND GMCv6inND is offline
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Join Date: Dec 2013
Location: Hatton, ND
Truck: 1945, 1955.2, 1955.2 tonner, 1959 3/4 ton, 1966 4x4, 1967 1/2 ton and a V12
Age: 60
Posts: 75
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Default Re: Better gas Mileage

oh boy, using as a daily driver! hey, I love driving my 67 around and i put a 351c in last year and installed the holley 2-barrell. My pickup came with the 3:08 rear-end and 3 on the tree. it starts, runs and cruises nicely - turns around 2000 at 65-70 mph. I only checked my mileage once and it was just a 90 mile trip in decent wx. I got 11 mpg. but i still love it. anyway, I think your best bet may be the highway gears AND an overdrive trans if thats possible. I would love to find an original 3-speed overdrive to install but would HAVE to be careful with the torque. good luck and have some fun!
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