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**N2TRUX** · 09-21-2009, 08:04 AM

FYI- Not all 73-87's had 12 bolt. They started going to 10 bolt in the late 70's.

09-21-2009, 08:04 AM	#3
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,021	Re: Rear end interchanges? FYI- Not all 73-87's had 12 bolt. They started going to 10 bolt in the late 70's. __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"