posi vs limited-slip?
Burning Brakes
Joined: Apr 2000
Posts: 870
Likes: 0
From: trumbull ct
Re: posi vs limited-slip? (jonjollyf4)
Positraction became standard on Corvettes starting with the 72 model year. Before that, it was an option, although it was a mandatory option on the high performance engines.
"Positraction" is a GM trade name. Chrysler called it "Sure Grip" differential. Ford called it "Trac-loc" or something similar. They are ALL limited slip differentials.
George
[Modified by stingray72, 9:44 PM 7/31/2002]
"Positraction" is a GM trade name. Chrysler called it "Sure Grip" differential. Ford called it "Trac-loc" or something similar. They are ALL limited slip differentials.
George
[Modified by stingray72, 9:44 PM 7/31/2002]
Burning Brakes
Joined: Mar 2002
Posts: 839
Likes: 0
From: Lewiston, Maine
Re: posi vs limited-slip?
Ford= Traction-Loc
GM= Positraction
Chrysler= Sure Grip
Studebaker= Twin Traction :D I got well acquainted with that "T T" when I'd drive my dad's R3 Avanti (Blown 5.0 out of the factory) to high school
GM= Positraction
Chrysler= Sure Grip
Studebaker= Twin Traction :D I got well acquainted with that "T T" when I'd drive my dad's R3 Avanti (Blown 5.0 out of the factory) to high school
Thread Starter
Melting Slicks
Joined: Feb 2000
Posts: 3,052
Likes: 0
From: Vancouver BC, Canada
Re: posi vs limited-slip? (jonjollyf4)
I'm curious. What is Zexel - Torsen anyway? Is it a type of limited slip?
http://www.torsen.com/
Here are some pics of ours:
[Modified by Turbo-Jet, 1:23 AM 8/1/2002]
Race Director
Joined: Nov 2000
Posts: 16,416
Likes: 1
From: NC,USA
Re: posi vs limited-slip? (Turbo-Jet)
shaweet!!
like that torsen thing... wow
I wonder how hard it is to fit one of those into a vette case?
It looks pretty trick... and the no clutches and springs caught my eye :yesnod:
How much do they run?
ZD
like that torsen thing... wow
I wonder how hard it is to fit one of those into a vette case?
It looks pretty trick... and the no clutches and springs caught my eye :yesnod:
How much do they run?
ZD
Safety Car
Joined: Aug 2000
Posts: 3,711
Likes: 43
From: San Antonio TX
Re: posi vs limited-slip? (ZD75blue)
The TorSen differential is an awsome rear. There is a small problem with it in that it can't take regular high shock loads. If you were to use this type rear on a car that was drag raced, you would likely end up scattering the bias gears. For a car that doesn't see these clutch-dump launches or a lot of speed shifting they are hard to beat especially in road racing. The real dowside though is that applications are rather limited. They tend to favor the imports.
