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lutjanid · 11-23-2015, 08:31 PM

It is original to the truck, so that would make it the HO52. I would like to change out the diffs from 4.10 to 3.73, but it doesn't look that easy with the HO52. Dana 44 up front.

11-23-2015, 08:31 PM	#8
lutjanid Registered User Join Date: Nov 2015 Location: Granbury, TX Posts: 23	Re: Need help identifying 1972 k20 rearend. It is original to the truck, so that would make it the HO52. I would like to change out the diffs from 4.10 to 3.73, but it doesn't look that easy with the HO52. Dana 44 up front.