Installing POSI please help!
Thread Starter
Junior Member
Joined: Feb 2003
Posts: 85
Likes: 0
From: Arizona
Car: 1983 Firebird SE
Engine: 5.0L V8
Transmission: TH700R4
Installing POSI please help!
Hey everyone.
I am going to be installing a POSI unit on my 1983 Firebird SE soon. I was wonderig if there if anyone can tell me how many splines my rear axles would be so I can be sure I pick up the right one.
I am pretty sure that my rear is geared with 3.07 gears...
Also, are these things super hard to put in?
Any input is appriciated
I am going to be installing a POSI unit on my 1983 Firebird SE soon. I was wonderig if there if anyone can tell me how many splines my rear axles would be so I can be sure I pick up the right one.
I am pretty sure that my rear is geared with 3.07 gears...
Also, are these things super hard to put in?
Any input is appriciated
Junior Member
Joined: Jan 2004
Posts: 81
Likes: 0
From: delaware
Car: 85 berlinetta
Engine: lg4
Transmission: 700r4
youve got 26 splines in an 83.do a search, theres plenty of help on here about installing one. its not that hard, looks scary to a first timer though
Supreme Member
Joined: Apr 2001
Posts: 4,969
Likes: 0
From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
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