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Old 07-28-2010, 09:05 AM   #1
F-85
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Join Date: Jul 2010
Location: Paw Paw,il
Posts: 389
65 GMC rear end options

Hey Guys


I have a 65 GMC short/step project. Gonna end up putting a big block in it. (V8 BB) It has a dana 44 with 3.54 gears. I wanted to put in a Powertrax, but i keep hearing they dont hold uup to a BB. What are some other options for this? Is it better to swap it out for a 12 bolt? Or is there another option to make it a strong posi? I just put new tires on the 6 lug rims, and just totally rebuilt the brakes with new rear drums. After all that i would hate to swap to 5 lug.
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Old 07-29-2010, 12:40 AM   #2
Captainfab
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Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
Re: 65 GMC rear end options

I'm not sure just what is available for the Dana 44. Your axle splines might dictate what you can install and cannot. I know for the Dana 44 fronts you can get a Detroit locker....those are damn tough, but I think they are a finer spline than what you have....I might be wrong though. Have you checked with

http://www.ringpinion.com
http://www.drivetrainspecialists.com/
http://www.tomsdifferentials.com/
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