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Join Date: Dec 2000
Location: West Chester PA
Posts: 708
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How do you tellif you have Limited Slip?
Dumb Question...but I'm curious
Thanks Jeff
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Jeff C 76 912E 2.6L |
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05-04-2006, 06:34 AM
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Tom Tweed Early S Registry #257 R Gruppe #232 Rennlist Founding Member #990416-1164 Driving Porsches since 1964 |
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05-04-2006, 06:51 AM
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Somatic Negative Optimist
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Jeff: Generally, with both wheels off the ground, turn one wheel and if the other one turns in the same direction, you have LSD.
If the other side doesn't move, or turns the other way, it's a regular differential. That's how I understand it.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats.  Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". 
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05-04-2006, 08:05 AM
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Join Date: Oct 2002
Location: St. Louis region
Posts: 3,147
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Or rev it to about 6K, dump the clutch, and if it leaves 2 black marks you have LSD.
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Deceased: Black '88 Carrera Coupe, Steve Wong and Russell Berry chips, Dansk premuffler, custom MK GT3-style muffler, Magnecores. Al Reed 7 & 8 X 16 Fuchs. Full Elephant Racing suspension, 21/28 T-bars, Turbo tierods, bump steer kit, Bilstein Sports, BK strut bar. Ruf bumpers, 935 mirrors, Carrera 3.0 tail, DasSport bar. '11 BMW 328iX, '18 Nissan Frontier 4X4, '92 Acura NSX. |
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05-04-2006, 08:32 AM
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Make Bruins Great Again
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Quote:
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-------------------------------------- Joe See Porsche run. Run, Porsche, Run: `87 911 Carrera |
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05-04-2006, 04:43 PM
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Location: West Chester PA
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Thanks Guys...its an open diff.
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Jeff C 76 912E 2.6L |
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05-04-2006, 05:31 PM
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PRO Motorsports
Join Date: Nov 2001
Location: Burbank, CA
Posts: 4,580
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Quote:
If the trans is in gear, even an LSD will turn the other wheel the opposite direction, (but with resistance) since LSD's also have spider gears.
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'69 911E coupe' RSR clone-in-progress (retired 911-Spec racer) '72 911T Targa MFI 2.4E spec(Formerly "Scruffy") 2004 GT3 |
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05-04-2006, 05:51 PM
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i want one of those...
Join Date: Jan 2000
Location: formerly a grass shack in Hawaii, now Peoria, AZ
Posts: 3,030
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Quote:
when I had my first 911 (a '76 S) I did the turn wheel trick. The other wheel didn't do a thing. One day after taking care of some drivability problems my friend drove and tried dumping the clutch @ 3k rpms or so. This left two marks on the road, which left me dumbfounded...
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Jeff '72 911 T Targa widebody VTK #111385 http://www.911vtk.com |
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05-04-2006, 08:28 PM
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Join Date: Nov 2005
Location: CA
Posts: 7,286
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"burn rubber", then get out and look at your rear wheels marks on the road surface. If rubber mark on both whel, you do have it. If one, then you don't.
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Fat butt 911, 1987 |
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05-04-2006, 11:30 PM
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coolcavaracing.com
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I have also been trying to find out. Not sure I want to do the "burn rubber" test...
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Pål (Paul) - The Norwegian lost in Finland... 1978 911SC 3.6 | 2001 Boxster S Racing Car | 1966 912 based 911 RSR replica racing car (for sale!) come and follow the Porsche Sports Cup racing fun and me at www.facebook.com/coolcavaracing 
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05-05-2006, 01:10 AM
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Join Date: Jul 2003
Location: Back in B'ham, AL
Posts: 3,459
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Guys, some of us are real funny and sarcastic - if you don't know that - please don't try the 6K rpm clutch drop or burn rubber test bacause it could turn out really expensive...
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05-05-2006, 04:50 AM
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Join Date: Sep 2005
Location: Blue Grass State
Posts: 226
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What if you can't burn rubber....even on wet pavement.. What do you have then?
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Deutsche Fahrzeuge 78' 911SC 03' 325I BMW 03' KTM 450sx 05' S2000 (daughters) |
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05-05-2006, 07:48 AM
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Quote:
Sorry - couldn't resist! 
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Don Plumley M235i memories: 87 911, 96 993, 13 Cayenne |
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05-05-2006, 07:56 AM
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Registered
Join Date: Sep 2005
Location: Blue Grass State
Posts: 226
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....just wanted to give someone an ally oop! he he
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Deutsche Fahrzeuge 78' 911SC 03' 325I BMW 03' KTM 450sx 05' S2000 (daughters) |
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05-05-2006, 08:12 AM
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911
Ultima GTR
LeGrand DSR
GT3
ME 262 (SOLD)
Colibri
Gas Mizer
Mileage King
Dog Bus
Max
1987 Porsche Carrera 3.2 
