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

toolboxchev · 07-01-2018, 01:18 PM

If you go from 2.73 to 3.73 gears your going to kill any mileage you got from that thing. It would dramatically change they way they whole drivetrain responds to the engine. I would bet that thing is a dog right now with those gears.

07-01-2018, 01:18 PM	#19
toolboxchev Registered User Join Date: Jul 2015 Location: 2nd left past the stump on a dirt road. Posts: 2,629	Re: posi rear end gears If you go from 2.73 to 3.73 gears your going to kill any mileage you got from that thing. It would dramatically change they way they whole drivetrain responds to the engine. I would bet that thing is a dog right now with those gears.