Gear ratio - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Jcfcamaro** · 02-13-2017, 07:46 PM

Hey guys, what's the best gear ratios for a 72 k10 with either 33/12.50/15 or 35/12.50/15 tires with a turbo 350 trans and a stock 350ci motor. I will be doing only highway driving and occasionally pulling a car trailer. I don't want to high of Rpms but don't want a real dog either. Any help would be grateful. Would a overdrive trans be better for me. I'm pretty sure my trans is going to need rebuilt. There quoting me 850.00 starting out and up depending on the condition of it. So I could drop a grand real easy.

02-13-2017, 07:46 PM	#1
Jcfcamaro Senior Member Join Date: Jul 2015 Location: Fairfax, Missouri Posts: 1,049	Gear ratio Hey guys, what's the best gear ratios for a 72 k10 with either 33/12.50/15 or 35/12.50/15 tires with a turbo 350 trans and a stock 350ci motor. I will be doing only highway driving and occasionally pulling a car trailer. I don't want to high of Rpms but don't want a real dog either. Any help would be grateful. Would a overdrive trans be better for me. I'm pretty sure my trans is going to need rebuilt. There quoting me 850.00 starting out and up depending on the condition of it. So I could drop a grand real easy.



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