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Old 01-11-2015, 12:33 AM   #9
Mr. 250r
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Join Date: Dec 2010
Location: freeburg, illinois
Posts: 885
Re: 14 bolt question

That is an AAM full floater. 3in wider than the corporate 14 bolt full floater, or 1.5in on each side. Comes from the factory with a 1410 u joint which is really nice. You will have to move spring perches and shock mounts, the shock mounts are longer than a corporate 14 bolt and possibly on the wrong side i can't remember but doesn't matter because they will need moved anyways they are also angled. Not sure if your truck is 4wd or not but if it was your rear axle would match your front axle width as we know front axles are wider from the factory than rear this fixes the "dog walking" look on the road but there's always the controversy of how the front is supposed to be wider but i am no engineer so i won't go into that.

Finned 14 bolt housings came in i believe in 1988 along with slide off drums, my 89 has a finned housing i like how it looks personally so you can't just go off the fins themselves, a dead giveaway is the bump stop plate on the axle and disc brakes.

Good axle.
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1989 GMC V35 - Marbolo Express http://67-72chevytrucks.com/vboard/s...d.php?t=596850
1991 V2500 Suburban Silverado - Sold
1991 V2500 Suburban Scottsdale - Big Nasty http://67-72chevytrucks.com/vboard/s...d.php?t=497423
2001 Ram 3500 5.9 H.O NV56 EC DRW - Sold
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