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gmc684x4 · 07-19-2020, 12:09 PM

you can go for your carrier is 3.73 any gearing smaller needs a new center section
Many of our trucks are 3.08 or 3.73 in 1/2 tons

Here is a quick rpm calculator

https://www.differentials.com/techni...io-calculator/

07-19-2020, 12:09 PM	#5
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: rear end ratio opinions you can go for your carrier is 3.73 any gearing smaller needs a new center section Many of our trucks are 3.08 or 3.73 in 1/2 tons Here is a quick rpm calculator https://www.differentials.com/techni...io-calculator/