The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What kind of gas mileage do you get with your 67-72?

C10 - C90 Bill · 10-04-2018, 05:21 PM

'72 307 2-Barrel, 3-Speed Manual, 3.73 Rear, an all around 12 to 15 as an approximate. I never did check it mathematically. One reason why is I know that my Speedometer/Odometer is off some. Mainly due to my tall 265/75/15's on the Rear.

10-04-2018, 05:21 PM	#44
C10 - C90 Bill Registered User Join Date: Nov 2001 Location: Moneta, VA USA Posts: 3,066	Re: What kind of gas mileage do you get with your 67-72? '72 307 2-Barrel, 3-Speed Manual, 3.73 Rear, an all around 12 to 15 as an approximate. I never did check it mathematically. One reason why is I know that my Speedometer/Odometer is off some. Mainly due to my tall 265/75/15's on the Rear. __________________ '60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan