Any difference between 82-92 spindles?
Joined: Jul 2000
Posts: 6,530
Likes: 94
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
I've read the "they changed them in 88 or 89" stuff and it's bunk.
Holding a 1985 spindle next to a 1991 spindle, there is zero difference.
The 1LE spindles were a different PN because of the modification to them.
Holding a 1985 spindle next to a 1991 spindle, there is zero difference.
The 1LE spindles were a different PN because of the modification to them.
I'm pretty sure there are no differences whatsoever. I've heard that supposedly the 91/92's are a little thicker but I dunno for sure. When I bent a spindle on my 88 Iroc, I put a spindle on from my friends 82 firebird and it was exactly the same.
Supreme Member

Joined: Aug 2001
Posts: 2,136
Likes: 2
From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Supposedly GM changed the spindles in the Late 89 model year. The newer style spindles are supposedly thicker and stronger. I found some more info on it a few mouths ago. I will post it here if I can find it again.
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Supreme Member

Joined: Aug 2001
Posts: 2,136
Likes: 2
From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Go here http://www.ws6transam.org/1LEbrake.html
And scroll down to "Modifying your spindles" for some info. I have yet to see a side by side comparison though.
And scroll down to "Modifying your spindles" for some info. I have yet to see a side by side comparison though.
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