Rear Gear change for better mpg - The 1947 - Present Chevrolet & GMC Truck Message Board Network

06-23-2017, 04:33 PM

#11

chevy_mike

Never Ending Projects

Join Date: Jul 2006

Location: San Diego, CA

Posts: 3,836

Re: Rear Gear change for better mpg

Quote:

Originally Posted by BigRed63

This is my first project truck, still have a lot to learn, but the PO told me he thought it had a 3.73 rear end, this is why I chose the 700r4. I didn't realize it was any different until I swap the tranny and the transmission guy told me it was a 2.73

Welcome to the truck world and your first lesson. Never trust what a previous owner tells you. Always double check yourself.

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250 chevy, differential, differential swap, rear diff, transmission

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