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Old 06-21-2017, 08:46 AM   #1
BigRed63
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Join Date: Mar 2017
Location: Gladewater, Tx
Posts: 35
Rear Gear change for better mpg

I have a 63 C10 with a 250 inline 6 put in a 700r4. When I had the tranny swapped I was told I had a 2.73 rear end. I am currently getting 11mpg, and I don't ever expect to get great gas millage out of this truck, but I was told going to a lower gear would probably help. I'm mostly city driving with some hwy miles. Does anyone else have this kind of setup and any thoughts on a good rear end gear setup?

Last edited by BigRed63; 06-21-2017 at 09:20 AM. Reason: change title
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250 chevy, differential, differential swap, rear diff, transmission


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