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

open traction or limited slip?

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Old Apr 20, 2006 | 08:00 PM
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91_5.7_TPI's Avatar
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
open traction or limited slip?

Are the stock, non-G80 rears open traction or limited slip? I thought they were open traction, but I know someone that says they are limited slip....
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Old Apr 20, 2006 | 08:14 PM
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DJP87Z28's Avatar
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Do a little research on the subject. Then come back a ask a question.
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Old Apr 20, 2006 | 08:44 PM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
I thought that forums like this were to share info.... guess not.
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Old Apr 20, 2006 | 09:07 PM
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Crusin' 1980's's Avatar
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From: Upstate New York
Car: 1988 SC Camaro
Engine: 305 TBI
Transmission: 700-R4
I thought that forums like this were to share info.... guess not
I got a good laugh out of that when i read it...i know what you mean though...some people are reluctant to answer questions if they feel you can find it on your own...I've had the same problem myself
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Old Apr 20, 2006 | 09:13 PM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
I know. Alot of people are like that. I don't mind answering anyone's question if they actually don't know. I guess I'll start searching everytime I have a question and not post.
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Old Apr 20, 2006 | 09:18 PM
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Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
G80 is the RPO for posi, so if it's a non-G80 rear, then it's non-posi.
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Old Apr 20, 2006 | 09:21 PM
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Car: 1993 Nissan 240sx
Engine: Turbo KA24DE
Transmission: 5 spd
Axle/Gears: 4.08 VLSD
Originally Posted by 91_5.7_TPI
I guess I'll start searching everytime I have a question and not post.
That's the idea. Search and then ask.

No, the stock non-g80 rears were not limited slip. Good old peg leg action for them.
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Old Apr 20, 2006 | 09:31 PM
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Car: 89' Iroc-Z G92
Engine: TPI 305 G92
Transmission: T-5
Axle/Gears: Limited 9 bolt, 3.45
if its big write up I can understand.. but yeah.. open diff
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Old Apr 20, 2006 | 09:40 PM
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From: East Tennesse
Car: 1991 RS Camaro
Engine: L03 (want LS1)
Transmission: 700R-4 (and T56)
Axle/Gears: 4th Gen 3.23 posi
Ok. Thanks guys. That was what I thought, but wanted to be sure.
Is there a real difference between limited and posi? I've heard and read that there is and that there isn't. I don't know who to beleive.
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Old Apr 20, 2006 | 11:27 PM
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Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Limited slip and Posi are the same exact thing, different names.
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Old Apr 20, 2006 | 11:56 PM
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From: Calgary, AB
Car: 1993 Nissan 240sx
Engine: Turbo KA24DE
Transmission: 5 spd
Axle/Gears: 4.08 VLSD
Originally Posted by EvilCartman
Limited slip and Posi are the same exact thing, different names.
I dont htink that's entirely true. I think limited slip is a type of 'posi.'
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Old Apr 21, 2006 | 12:23 AM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
ok so what?.....limited slips and posi's do the same thing. allow power to both wheels instead of a one wheel'd wonder. that's all the guy was asking
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Old Apr 21, 2006 | 01:26 AM
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Car: '82 Z28
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Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
They're marketing names... limited slip, posi and LSD. There are different types under those names to put power to both wheels, clutch, cone and gears.
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Old Apr 21, 2006 | 01:40 AM
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From: Calgary, AB
Car: 1993 Nissan 240sx
Engine: Turbo KA24DE
Transmission: 5 spd
Axle/Gears: 4.08 VLSD
Originally Posted by EvilCartman
They're marketing names... limited slip, posi and LSD. There are different types under those names to put power to both wheels, clutch, cone and gears.
Except LSD stands for Limited Slip Differential..
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Old Apr 23, 2006 | 01:47 AM
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From: Evansville, Wisconsin
Car: 91' Pontiac Firebird
Engine: LT1
Transmission: 4L60E
"Positraction" is GM's brand name for their limited slip differentials. Ford's brand name is "Trac-Lok" or "Equa-Lock", Mopar's is "Sure Grip."
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