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Author Topic: 1995 impala ss rear end on 85 stepside ?  (Read 4372 times)

Offline 85c10stepcustom

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1995 impala ss rear end on 85 stepside ?
« on: October 10, 2015, 12:14:57 pm »
Does anyone know if you a rear end out of a 1995 Impala with posi would swap out with the stock rear end out of my 1985 stepside ?
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Offline VileZambonie

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #1 on: October 10, 2015, 06:56:32 pm »
It's a smaller unit and designed to work with coil springs. Why do you want to swap the rear end?
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline 85c10stepcustom

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #2 on: October 11, 2015, 02:05:13 pm »
Disc brakes and posi !
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Offline Captkaos

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #3 on: October 11, 2015, 02:14:51 pm »
It is and 8.5 like the 81-87 1/2T trucks.  I think (if memory serves me right) that they are slightly narrower.
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Offline VileZambonie

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #4 on: October 11, 2015, 06:19:16 pm »
I'm pretty sure they were all highway geared too.
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,                           ___ 
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              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Captkaos

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #5 on: October 13, 2015, 09:40:30 pm »
Yes, 2.56 for non Impala SS and 3.08 for the SS.
30 spline axles and the SS had a limted slip factory.
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Offline Mtrhd329

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Re: 1995 impala ss rear end on 85 stepside ?
« Reply #6 on: November 13, 2015, 08:35:39 pm »
I swapped one into my 79. Cut off the perches and welded on new ones to flip the axle.   Swapped in 3.73s a buddy had and a true trac and it runs great.  Had to run. 2" spacer but if you want larger tires you could just get larger rims
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