Rear Axle Identification

Cajun83HO

Greasemonkey
Aug 3, 2016
197
118
43
Louisiana
IMG_20200920_104522856.jpg
 

krav84

Not-quite-so-new-guy
May 7, 2021
14
7
3
what if you only have a VIn and no rpo codes in glovebox or underhood or inside doorsill?
Can i still figure out what my rearend has by numbers on the axle itself or something
 

69hurstolds

Geezer
Supporting Member
Jan 2, 2006
8,187
17,578
113
what if you only have a VIn and no rpo codes in glovebox or underhood or inside doorsill?
Can i still figure out what my rearend has by numbers on the axle itself or something
If it's still stock, yes.
 

Jakefromstatefarm

Master Mechanic
Feb 26, 2014
465
923
93
Local guy I came across claimed to have a posi unit 8.5 for a g-body he is selling... finally got a picture of it.. immediately wanted to punch myself for being so optimistic that it was gonna be what he claimed.... unfortunately not, from what I can tell this is another 7.5. Correct me if Im wrong.
01111_iIluI5GCyEMz_0CI0t2_1200x900.jpg
 
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Reactions: 1 user

oldsmobile joe

Royal Smart Person
Nov 12, 2015
2,067
3,053
113
mpls
Local guy I came across claimed to have a posi unit 8.5 for a g-body he is selling... finally got a picture of it.. immediately wanted to punch myself for being so optimistic that it was gonna be what he claimed.... unfortunately not, from what I can tell this is another 7.5. Correct me if Im wrong. View attachment 178178
Correct, 7.5".
But i think your missing the point. It identifies as a 8.5".
 
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Reactions: 3 users

doood

Amateur Mechanic
Sep 24, 2020
574
786
93
3TG G 072

8.5" 3.73
 

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