LSD vs. Posi?
06-09-2003, 01:04 PM
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Car: Camaro RS
Engine: TBI 5.0L
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LSD vs. Posi?
I'm lookin for a diff. that would let me corner well, but will completly lock the rear together if I have the pedal down with no problemb, 'cause I drift (well I try anyway...), and someone said that a Posi won't lock up if your turning at all, and all the Japaneese drifters use LSDs. Anyone know any better?
06-09-2003, 02:21 PM
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For your info a "POSI" is a Limited Slip. GM's name for its Limited Slip or Posi-Trac Rear. Also it was not designed for what you are attempting to do. I think you seen to many Movies like Jackass and Dumb & Dumber . 
Last edited by DJP87Z28; 11-30-2003 at 07:03 AM.
06-09-2003, 02:45 PM
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Car: 1990 Camaro RS
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Originally posted by DJP87Z28
GM's name for its Limited Slip or Posi-Trac Rear.
GM's name for its Limited Slip or Posi-Trac Rear.
i am pretty sure that posi was actualy a mopar name.
06-09-2003, 04:17 PM
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POSI, from the early days it was called positive traction, then positraction, now commonly called posi. Anyway, it's just a name for Limited slip.
06-10-2003, 08:54 AM
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Actualy a posi is different than an LSD. They do the same thing, but in a slightly different way. I've just never driven a car with a posi and was wondering if it would lock it up or if I needed a real LSD. I don't know what they did on jackass, but I'm sure it wasn't drifting...
this is drifting...
http://videl.ics.hawaii.edu/~jaye/videos/
some of those are actualy a guy from this board, REVLIMIT
this is drifting...
http://videl.ics.hawaii.edu/~jaye/videos/
some of those are actualy a guy from this board, REVLIMIT
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06-10-2003, 09:15 AM
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Car: 82 camaro SC
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Actualy a posi is different than an LSD.
Nope, just a name commonly used to describe limited slip. Limited slip comes in many different varities: cone type clutch, disk type clutches, 'torsen' clutchless, etc.... Posi is just the common name that 'stuck' over the years to describe a car that applies power to both rear wheels via some type of limited slip. Other options is a locker(locks or unlocks the rear wheels--no in-between) or a spool(both tires spin at the same speed at all times), or an open rear(the tire with the least traction gets all the power).
They do the same thing, but in a slightly different way.
Please explain...my guess is that your are talking about the different types of posi/LSD.
Nope, just a name commonly used to describe limited slip. Limited slip comes in many different varities: cone type clutch, disk type clutches, 'torsen' clutchless, etc.... Posi is just the common name that 'stuck' over the years to describe a car that applies power to both rear wheels via some type of limited slip. Other options is a locker(locks or unlocks the rear wheels--no in-between) or a spool(both tires spin at the same speed at all times), or an open rear(the tire with the least traction gets all the power).
They do the same thing, but in a slightly different way.
Please explain...my guess is that your are talking about the different types of posi/LSD.
06-11-2003, 02:23 PM
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Car: Camaro RS
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Yeah, I was talking about different types of LSDs.. just not in a ver clear way. Sorry. I guess I ment to ask what type of LSD would be the best for what I want to do?
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