NEED HELP!!! (12 Bolt Posi find) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

SilverBack · 05-10-2010, 08:04 PM

I have an 84 C10 with a 10 bolt open rear and I was planning to put a 12 bolt posi under it and I found one today at the salvage yard. It is obviously out of a 73-81 truck (as I am told they stop making the 12 bolts after that), but it is under a 84 model GMC. The Parking brakes are not hooked up and a buddy warned me that the park brakes are different between the years. Is there any way to use this 12 bolt under my 84 and have a functional Park Brake system???

05-10-2010, 08:04 PM	#1
SilverBack Registered User Join Date: Jun 2009 Location: Columbia, SC Posts: 10	NEED HELP!!! (12 Bolt Posi find) I have an 84 C10 with a 10 bolt open rear and I was planning to put a 12 bolt posi under it and I found one today at the salvage yard. It is obviously out of a 73-81 truck (as I am told they stop making the 12 bolts after that), but it is under a 84 model GMC. The Parking brakes are not hooked up and a buddy warned me that the park brakes are different between the years. Is there any way to use this 12 bolt under my 84 and have a functional Park Brake system???

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