Transmissions and Drivetrain Need help with your trans? Problems with your axle?

What are the advantages to a 4th gen rear swap???

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Old May 18, 2006 | 01:24 AM
  #1  
LVZ2881's Avatar
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Joined: Oct 2005
Posts: 126
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From: Lost Wages, NV
Car: 1988 IROC
Engine: 305 TPI
Transmission: 5 speed
Axle/Gears: 3.08 Posi 10 Bolt w/ aluminum drums
What are the advantages to a 4th gen rear swap???

just simply curious, thats all....

having owned both 3rd and 4th gens,it seems like your just swapping factory junk for factory junk when it comes to strength..

not trying to start a flame war, just trying to understand what advantages there might be in this swap???
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Old May 18, 2006 | 02:08 AM
  #2  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Posi instead of an open differential, and 28 spline axles instead of 26, in some cases.
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Old May 18, 2006 | 04:00 PM
  #3  
Ant's Avatar
Ant
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Joined: Oct 2002
Posts: 148
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From: The bay, California
Car: 1989 Iroc-z 1994 Z28 LT1
Engine: 5.7 Liter L98 Tuned Port Injection 5.7 LT1
Transmission: 700R4 and 4L60E
Believe it or not but some people like that the 4th gen rear ends stick out 2 inches in the back on both sides. Im not one of those people thats why I am looking for some fourth gen wheels to put on my iroc.
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Old May 18, 2006 | 06:52 PM
  #4  
SebasIroc's Avatar
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Joined: Oct 2004
Posts: 88
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From: Québec
Car: Iroc-z 86
Engine: 350 4bbl
Transmission: built up 700r4
Axle/Gears: ls1 4.10 posi
for mine cost less than rebuilt my old one, posi, put 4.11 while there, 12"disc brake.....and my iroc wheel stick out about 1/2" of the fender

for wheel rubing my street tire dont stick enough and my dr are mounted on 16" 4th gen wheel

for now im happy

Seb
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