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

Zone47 · 10-01-2018, 09:28 PM

Hmmm! I guess I'll just some high compression heads, an air gap performer, a 280/460 cam and not worry about it. It sounds like it will probably at least still get 10 mpg with all that, but at least run better.

10-01-2018, 09:28 PM	#19
Zone47 Registered User Join Date: Sep 2014 Location: Richfield, Oh Posts: 112	Re: What kind of gas mileage do you get with your 67-72? Hmmm! I guess I'll just some high compression heads, an air gap performer, a 280/460 cam and not worry about it. It sounds like it will probably at least still get 10 mpg with all that, but at least run better.