88 Iroc 2:73 rear, is it Series 2 or 3

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Dec 29, 2005 | 09:36 AM

djtricia

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From: Portage, MI.

Car: 1986 Z-28

Engine: 350

Transmission: 700R4

88 Iroc 2:73 rear, is it Series 2 or 3

A friend has an 88 Iroc with a 2:73 limited slip rearend. He's upgrading to a 12 bolt. Is the rearend he's pulling a series 2 or 3?

Dec 29, 2005 | 11:48 AM

Gladstoneiroc

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From: Gladstone, Missouri

Car: 91 Camaro RS

Engine: 5.0L TBI (ebl inside)

Transmission: T-5

Axle/Gears: 3.42 lsd 10 bolt

Series 2.
<3.08 series 2
>3.23 series 3

Dec 29, 2005 | 11:52 AM

djtricia

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Senior Member

iTrader: (4)

Joined: Feb 2005

Posts: 593

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From: Portage, MI.

Car: 1986 Z-28

Engine: 350

Transmission: 700R4

series 2

Thank you!

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