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Old 08-25-2019, 04:08 PM   #20
mongocanfly
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Join Date: May 2015
Location: Alabama
Posts: 14,583
Re: Calculating Mpg.

interesting...
that 1986 number is about dead on with my 305 C10 when I bought it new
and that 1981 number is what my 350 C30 got before the LQ9
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Mongo...aka Greg

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1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598
Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334
Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
2023 Chevy Z71..daily driver
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