Thirdgen Rear Axle Codes
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
Thirdgen Rear Axle Codes
here's a list of thirdgen axle ratios for 82'-92'. (Part 1) i thought it might help some people looking for axle codes. 
Thread Starter
Supreme Member
iTrader: (2)
Joined: Jul 2001
Posts: 1,823
Likes: 1
From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
on the inside of axle on the passenger side. you might need to clean it up a bit to see it.
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Joined: Sep 2000
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From: Duncan, OK USA
Car: 1987 Z28
Engine: LG-4 305
Transmission: 5-speed
Originally posted by mystikkal_69
on the inside of axle on the passenger side. you might need to clean it up a bit to see it.
on the inside of axle on the passenger side. you might need to clean it up a bit to see it.
GM N
22522676
K 12 8 7 19
on the bottom of the axle hub itself. ???????????????????
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