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3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

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Old Aug 9, 2007 | 03:42 PM
  #1  
a mack6's Avatar
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From: Pittsburgh & Allentown PA
Car: 1992 Z28 (Heritage Edition)
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 2.73 Posi
3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

I was just wondering if it would be possible to swap a 3rd gen rear back onto my car after putting a 4th gen rear on. I'd like to add rear discs and better gears so obviously putting a 4th gen rear is the way to go, but once i put a 4th gen rear in, is it in there for good?

If i ever wanted to sell my car one day, or bring it back to 100% stock, i'd like to do so easily. If the 4th gen rear modifies the car in some way that makes putting a 3rd gen rear back in a lot harder...then i dont want to do it.

Any input on this would be appreciated...
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Old Aug 9, 2007 | 04:14 PM
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DJP87Z28's Avatar
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From: Florida
Car: 1987 Black IROC-Z (SOLD)
Re: 3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

You put one in and you take it out the same way. 3rd or 4th gen rears are the same (except the 4th is 4" wider overall).
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Old Nov 26, 2018 | 02:43 PM
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
Re: 3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

Front Bumper has been repainted...
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Old Nov 26, 2018 | 04:29 PM
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Re: 3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

Someone got bitten by infinite scrolling.
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Old Nov 26, 2018 | 06:35 PM
  #5  
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From: Florida
Car: 87 IROC-Z, 82 Pace Car
Re: 3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

That first build sheet above is mine. Here's the corresponding sticker.
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Old Nov 26, 2018 | 07:09 PM
  #6  
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Car: 87 IROC-Z, 82 Pace Car
Re: 3rd Gen Rear to 4th Gen Rear, Back to 3rd gen..

Looks like I did too. I'm not liking the "related threads" at the bottom. Gotta see how to fix this.
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