Looking for some suggestions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

77GMCTruck · 10-09-2007, 01:36 PM

I was looking at the window sticker for the truck I just inherited. I'm trying to make it more highway friendly.

Currently the 77 has a 350 4bbl (new engine with 2k miles on it) and the original TH-350 Trans and 4.10 gears in the rear.

I'm thinking of getting a Gear Vendors Under/Overdrive (will take awhile with the cost) but was wondering what would be a good highway gear for the rear-end without hurting the towing ability.

Just wondering what everyone thinks.

Thanks

10-09-2007, 01:36 PM	#1
77GMCTruck Registered User Join Date: Sep 2007 Location: Birmingham, Alabama Posts: 87	Looking for some suggestions I was looking at the window sticker for the truck I just inherited. I'm trying to make it more highway friendly. Currently the 77 has a 350 4bbl (new engine with 2k miles on it) and the original TH-350 Trans and 4.10 gears in the rear. I'm thinking of getting a Gear Vendors Under/Overdrive (will take awhile with the cost) but was wondering what would be a good highway gear for the rear-end without hurting the towing ability. Just wondering what everyone thinks. Thanks

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