The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**jocko** · 10-15-2018, 09:22 PM

I just drove from MN to TX and averaged 12.5-13 mpg every single fill-up.
My only difference from your config is 3.73 gears, and that does make a difference.
3.73 was standard for your config, 4.10 optional.

10-15-2018, 09:22 PM	#2
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,934	Re: gas mileage I just drove from MN to TX and averaged 12.5-13 mpg every single fill-up. My only difference from your config is 3.73 gears, and that does make a difference. 3.73 was standard for your config, 4.10 optional.