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**mike1971c10** · 10-01-2018, 03:04 PM

I have just about the same running gear, but with a 350 tranny. I think the most I've gotten is 12 mpg. Maybe someone else gets better mpg
mike

10-01-2018, 03:04 PM	#2
mike1971c10 Senior Member Join Date: May 2012 Location: phoenix az Posts: 452	Re: What kind of gas mileage do you get with your 67-72? I have just about the same running gear, but with a 350 tranny. I think the most I've gotten is 12 mpg. Maybe someone else gets better mpg mike __________________ my build thread http://67-72chevytrucks.com/vboard/s...d.php?t=522167 vietnam vet 67-68