Lsd?
Thread Starter
Lexus Fanatic
Joined: Nov 2001
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From: bat country
Lsd?
Hey, I read somewhere on the forums that if you spin one of the rear wheels and the other spins in the opposite direction, that you have an LSD. Well I spun them the other day while my car was up on a lift, and one wheel went foward while the other went backwards. So does this mean I have LSD? I know there are road tests you can perform to confirm, but I just thought I'd check in here first.
Lexus Champion
Joined: May 2002
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From: California
The opposite directions just means that you have a regular open differential. Same direction means LSD. One stopped and the other going backwards means you are DOING LSD. 
MW
MW
Last edited by pcmw; Oct 14, 2002 at 01:57 AM.
Lexus Champion
Joined: Feb 2001
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From: Texas
Originally posted by Lex Luthor
4HUN, that's not a sure fire test, mine always leaves two nice even strips....
4HUN, that's not a sure fire test, mine always leaves two nice even strips....
So, Lex, have you ever tried the tires-in-the-air turning test? Did you buy it new? If not is it possible the previous owner installed an LSD? Not likely I know and I am unaware of any factory cars so equiped... but if yours ALWAYS spins both... something is going on.
Lexus Champion
Joined: Sep 2001
Posts: 3,244
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From: New York
jbrady, I believe you're right, something is up, and with the thousand times I had the car up in the air, I never once checked if it was LSD, but I definitely will next time. Anyone that was at the CL meet at FBF in Brooklyn a couple months ago saw both my tires blazin' when I raced gadgetsc, i'll definitely have to check...
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Lexus Champion
Joined: Feb 2001
Posts: 3,124
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From: Texas
Hmmm... very curious. I have watched Mustangs with burnt out clutches on LSDs doing power brake burnouts on drag radials AND slicks and the cars sit there and smoke ONE tire. When I loose traction it is one tire at the track. Honestly have never done a burnout on the road and checked it but would be very surprised if there was more than one mark. My right rear fender gets rubber from the track stuck to it from the spinning but the left stays clean. I wonder if the LSD was available on any 400s as a little known option? If so, some cars may have been shipped that way from the factory. Truth is very few would be requested. I do know that the Supra changed ratios and lsd types for various years so there is some indecision going on in Japan...
Possibly on early cars before traction control was available???
Possibly on early cars before traction control was available???
Lexus Champion
Joined: Sep 2001
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From: New York
Originally posted by jbrady
Possibly on early cars before traction control was available???
Possibly on early cars before traction control was available???
Lexus Champion
Joined: Feb 2001
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From: Texas
Originally posted by Lex Luthor
Nope, I have a '95, and I have traction control, if it helps, the car was ordered fully loaded, even a couple of dealer add-ons i've never seen on any other SC, nothing special, but the Autospeed review of the SC/Soarer states that an LSD is available with the 4.0, I dunno, gonna do a TRD LSD in an SC3 anyway, so i'm not sweating it....
Nope, I have a '95, and I have traction control, if it helps, the car was ordered fully loaded, even a couple of dealer add-ons i've never seen on any other SC, nothing special, but the Autospeed review of the SC/Soarer states that an LSD is available with the 4.0, I dunno, gonna do a TRD LSD in an SC3 anyway, so i'm not sweating it....
Last edited by JBrady; Oct 21, 2002 at 07:09 PM.
Driver
Joined: May 2001
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http://www.alsc.aus.as/messages/3/302.html?
http://www.autospeed.com/A_0062/P_2/article.html
simple as alphabets soup?
not sure if the tt use the same codes as the v8s.
http://www.autospeed.com/A_0062/P_2/article.html
simple as alphabets soup?
not sure if the tt use the same codes as the v8s.
Thread Starter
Lexus Fanatic
Joined: Nov 2001
Posts: 8,387
Likes: 1
From: bat country
I was told LSDs have a special sticker or tag attached to it that differentiates them from others (excuse the pun 
). Is this true? If so does anyone know where this tag is located on the differential because I don't see one on mine 
.
). Is this true? If so does anyone know where this tag is located on the differential because I don't see one on mine .
Lexus Champion
Joined: Sep 2001
Posts: 3,244
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From: New York
808, that is the article I was referrering to, thanks for the links. jb, I also have more experience with cone/clutch diffs, same as you. As far as TRAC, it was offered every year, TRAC and heated seats is option code TN, and was an $1870 option, depending on exact year. The LSD debate continues....
- LL
- LL
Lexus Test Driver
Joined: May 2001
Posts: 1,312
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From: Florida
yah how do we eliminate the one wheel burnout? cause i noticed that the other day, when only one of my wheels roasted.
Kevin
ps, i got an sc3 5spd
Kevin
ps, i got an sc3 5spd
Last edited by lexcoupe; Oct 22, 2002 at 12:47 PM.