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

andrewmp6 · 05-26-2013, 12:32 AM

A overdrive trans will help some but these trucks are heavy and have the aerodynamics of a brick.

05-26-2013, 12:32 AM	#16
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: gas mileage A overdrive trans will help some but these trucks are heavy and have the aerodynamics of a brick.