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posi rear end questions
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racinea64
New User
| Posts: 2
| Joined: 08/12
Posted: 08/10/12
06:29 AM
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Hey guys
New to this form
so i have a 1987 GMC cabillero and i've been lookin for a posi for it for a long time now. well yesterday i went to the local salvage yard and after about 4 hrs i found a chevy 1500 with a 10 bolt posi. i dont know the exact year but it is a 4.3 vortec 2 weel drive. i need to know what spline axles will most likely be in it, and wether or not it'a an 8.5 in ring gear.
also my car has a fore link suspension system and the upper control arms attach to the top of the pumpkin. is the pumpkin in this differencial cast iron, can i weld the upper control arm mounts to it? if not how can i connect the upper control arm mounts to the top of the diff where there suposed to be attached.
thanks for any information you can give me
Neil
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racinea64
New User
| Posts: 2
| Joined: 08/12
Posted: 08/10/12
10:21 AM
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comon anyone
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Posted: 08/14/12
09:52 PM
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The 10 bolt rear you took out of the 1500 pick up is a 8.5" ring gear. It has 30 spline axle shafts. 1988 and newer 1/2 ton 10 bolts have 30 spline axle shafts. The 1987 and older were 28 spline. That is both front and rear. 1988 - 1991 Suburbans and full size Blazers were still the old body style with the solid front axle.
I would recomend you just go buy a new limited slip/locker for your original car 10 bolt.
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Posted: 10/02/12
03:39 PM
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in all reallity dont mess with gm gov locks first patch of ice u hit they grenade
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