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Author Topic:   Torsen diffs
SundanceKid
Gearhead

Posts: 650
From: UT
Registered: Feb 2001

posted 09-18-2001 09:20 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Has anyone ever used a Torsen diff in their Mustang? Or any other torque senseing differential?

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Greenstang
Gearhead

Posts: 879
From: its all a fog..
Registered: May 2001

posted 09-18-2001 11:16 PM     Click Here to See the Profile for Greenstang   Click Here to Email Greenstang     Edit/Delete Message   Reply w/Quote
Not in a classic Stang, a friend had one in a late model. Worked wonderfully for twisty bits
The real downside (besides cost) is that they build a tremendous amount of heat in the gear oil. If you are planning on running it hard (like 20 minutes open track session) a cooler should be considered mandatory. IMHO of course

------------------
Marcus
"We are coming after you. God may have mercy on you, but we won't," Sen. John McCain

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SundanceKid
Gearhead

Posts: 650
From: UT
Registered: Feb 2001

posted 09-18-2001 11:56 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Twisties is exaclty what I want it for! I usualy only race for 10 min or so at speeds of 100 MPH.
I've done hours of searching on the web and have found a "little" info on them. The Torsen for the Ford 9" is the same as the model used in Hummers a T1. They sell for approx 365.00, not as bad as I originaly thought.
The Detroit Truetrac is supost to be of the same design for approx same price.

Green, how does it work for your friend? Could you ask him some questions for me?

I was wondering if you can break the rear end loose with 'em? How does it compair to a Limited slip? How does it perform in bad weather?

Anyone know what the torque rateing is on one of these suckers?

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SundanceKid
Gearhead

Posts: 650
From: UT
Registered: Feb 2001

posted 09-18-2001 11:59 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Oh, one more question. How many black stripes do the tires make when you burn out one or two? Same length?


Thanks for any info.

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Greenstang
Gearhead

Posts: 879
From: its all a fog..
Registered: May 2001

posted 09-19-2001 09:40 AM     Click Here to See the Profile for Greenstang   Click Here to Email Greenstang     Edit/Delete Message   Reply w/Quote
I'll pass the Q's along, I should see him this afternoon, I'll drop a post tonite with the answers

------------------
Marcus
"We are coming after you. God may have mercy on you, but we won't," Sen. John McCain

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n2oMike
Gearhead

Posts: 719
From: Spencer, WV
Registered: Jan 2001

posted 09-19-2001 09:53 AM     Click Here to See the Profile for n2oMike   Click Here to Email n2oMike     Edit/Delete Message   Reply w/Quote
These are the hot ticket for an application where a SMOOTH and LONG LASTING differential is needed, but they do NOT hold up to shock loads, and are a no-no for abusive use at a dragstrip on slicks.

These are an excellent "road race" unit, but are not recommended for much strip duty.

Good Luck!

------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/motorcitymustang/cmml/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367

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SundanceKid
Gearhead

Posts: 650
From: UT
Registered: Feb 2001

posted 09-19-2001 02:30 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Thanks Greenstang I appreciate it very much.

I plan to use the car primarly as a street car, some autoX and an ocational strip duty on street tires only. I am hopeing for 400 hp at the flywheel "hopefuly" Should make a spirited street car?

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jkilroy
Gearhead

Posts: 1289
From: Austin, TX
Registered: Dec 99

posted 09-19-2001 07:06 PM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
Head over to DPI Products

http://dpiracingproducts.com/

They sell a several torque sensing torsen style diffs for various rears. I think the 9" version is called black gold, anyway you can find it. They market their products to circle and road racers.

------------------
Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"

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Greenstang
Gearhead

Posts: 879
From: its all a fog..
Registered: May 2001

posted 09-19-2001 07:32 PM     Click Here to See the Profile for Greenstang   Click Here to Email Greenstang     Edit/Delete Message   Reply w/Quote
Hehas no problems breakign the rear end loose, but then again, he's got over 500 rwhp on street tires
He says he loves it compared to a limited slip as he says he gets less wheel spin coming out of slow corners, and he doesn't have to rebuild it every couple track weekends.
He doesn't drive the car in bad weather, so he has no idea, he aassumed it would do all right, as long as "the loose screw behind thw wheel was prepared for bad weather driving".
Torques rating, I have no clue, his has held up behind 550 rear wheel torque with no drag racing for ~15K miles so far.
As for the burnouts, he claims not to do them, so he "don't know"
HTH

------------------
Marcus
"We are coming after you. God may have mercy on you, but we won't," Sen. John McCain

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SundanceKid
Gearhead

Posts: 650
From: UT
Registered: Feb 2001

posted 09-19-2001 11:21 PM     Click Here to See the Profile for SundanceKid   Click Here to Email SundanceKid     Edit/Delete Message   Reply w/Quote
Greenstang, thank you very much. If I can do anything for you don't ever hessitate to ask.

jkilroy, That diff looks serious bad a$$! I hate to find out how much though. I ordered a catalog to find out

LOL....food for a year....Differential...??? no brainer, starve!

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