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

lutronjim · 10-01-2018, 09:44 PM

My 70 C10 with 307 4 barrel when new got 16mpg on highway when driven for mileage. I upgraded to LC9 with 65E and now driven for mileage on highway gets 21.

10-01-2018, 09:44 PM	#21
lutronjim Registered User Join Date: Dec 2013 Location: Dunwoody,Ga Posts: 443	Re: What kind of gas mileage do you get with your 67-72? My 70 C10 with 307 4 barrel when new got 16mpg on highway when driven for mileage. I upgraded to LC9 with 65E and now driven for mileage on highway gets 21.