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

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Old 04-04-2006, 11:11 PM   #1
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85 with posi?

Did the 85's come stock with a posi? and am i correct about the ratio being 3:23 ?
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Old 04-05-2006, 12:58 PM   #2
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Car: 86 Omni GLHT
Engine: 2.2 Turbo/Intercooled
Transmission: 5 speed
Axle/Gears: 3:85

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mine was a 3:42 rear stock and lsd..... i don't know if the lsd was stock but the rpo code was like g92 i think...
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86 Omni GLHT non vtec. almost stock.
turbonetics 50 trim and some bolt-ons.

85 TPI IROC-Z
SOLD!!!!
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Old 04-05-2006, 01:12 PM   #3
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Car: 1987 Black IROC-Z (original owner)
Engine: 350 Crate with TPI
Transmission: 700R4 with 2400 SLP Stall

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RPO G80 was the limited slip OPTION, nothing was standard. Most cars did not have a limited slip rear.
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Old 04-05-2006, 06:05 PM   #4
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more than likely.. what did my 85 come with from the factory?

I do have 4 wheel disk..

85
iroc-z
z28
305
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Old 04-06-2006, 06:29 PM   #5
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gears

Well my 85 iroc Cam with a 9-bolt 277 Posi Bog Warner Rearend which is a great rearend as it is still nice and tight along with sitting getting decent gas mialge on the highway. I do know somew came with a 323posi also. Hope this helps
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Old 04-06-2006, 06:29 PM
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