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95z28 posi unit in 84?

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Old Mar 6, 2010 | 03:03 PM
  #1  
redroc33's Avatar
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From: Ogden,IA
Car: 1984 Z28
Engine: 305 HO
Transmission: 5-Speed
95z28 posi unit in 84?

i was lookin for a posi unit to put in my pegleg 84 z28 and a guy has one out of a 95z28 will it work as long as its a 10 bolt or what?
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Old Mar 6, 2010 | 03:09 PM
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big gear head's Avatar
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Re: 95z28 posi unit in 84?

It will only work if you use '90 to '92 28 spline axles. You have 26 spline axles. You also must be sure that it's the right series for the gears that you are using. 3.08 to 2.41 use a 2 series and 3.23 to 4.10 use a 3 series.
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Old Mar 7, 2010 | 09:55 PM
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redroc33's Avatar
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From: Ogden,IA
Car: 1984 Z28
Engine: 305 HO
Transmission: 5-Speed
Re: 95z28 posi unit in 84?

how about a unit from an 86 iroc?
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Old Mar 7, 2010 | 10:05 PM
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8t2 z-chev's Avatar
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: 95z28 posi unit in 84?

if its from a 10 bolt it will be bolt in deal,not sure about
'86,but on the earlier thirds i have found both auburns
and gov-locks in posi rears
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Old Mar 8, 2010 | 09:20 AM
  #5  
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Re: 95z28 posi unit in 84?

Yes, an '86 will work. It still must be the correct series for the gear that you are using. You need to read this. http://www.nastyz28.com/forum/showth...ht=change+posi
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