SLP Posi unit
SLP Posi unit
anyone here have any experience with the SLP posi?i see its only 100 bucks,compared to about 450 for others,so i was just wondering if theres something special about it or if i can get one and put it in without any hassle.anyone know why its so cheap anyways? if it is good im gonna order one up this month,along with some 3.42's.
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-1991 camaro rs,dark red metallic,t-tops,stock 15inch rims
-L03 305,TH700R4,2.73's,only mods for now is a Flowmaster 80 series replacement muffler,accel wires and coil,14x3 open element with K&N.catco cat and B&M shift kit coming in the next two weeks.
-best 1/4 mile times to date:16.0@86 on G-TECH
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-1991 camaro rs,dark red metallic,t-tops,stock 15inch rims
-L03 305,TH700R4,2.73's,only mods for now is a Flowmaster 80 series replacement muffler,accel wires and coil,14x3 open element with K&N.catco cat and B&M shift kit coming in the next two weeks.
-best 1/4 mile times to date:16.0@86 on G-TECH
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Its a good unit, several people have used it. Its cheap because they take them out of SS cars and put in an Auburn unit. This is the stock posi unit from 4th gen cars.
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
317 RWHP, 418 RWTQ
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Member: SoCal F-Bodies
-=ICON Motorsports=-
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
317 RWHP, 418 RWTQ
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Member: SoCal F-Bodies
-=ICON Motorsports=-
Joined: Oct 2000
Posts: 2,112
Likes: 0
From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
I have this unit currently in my Z with no complaints.I rebuilt th rear with all new bearings & seals,the zexel unit,used 28 spline axles out of a 91 Formula and reused my original gears,spent about $250.I also welded the axle tubes to the center and added a T/A girdle,along with lower control arm relocation brackets.Spent alot less than an aftermarket rear and it should last for a few more years.I recommend getting it if you are on a budget,can't be beat.
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1982 Z28:355,4 Speed,Lots of bolt ons
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1982 Z28:355,4 Speed,Lots of bolt ons
Supreme Member

Joined: Oct 1999
Posts: 2,977
Likes: 1
From: Davison / Troy ,Michigan
Car: 1991 Pontiac Firebird
Engine: 3.8
Transmission: 700r4
Axle/Gears: Dana 60
I got it when they were on sale for 74.95!
I think there great and I have no complaints about mine. Hey, if they use them in the Firehawks then it can go in my car. 
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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
I think there great and I have no complaints about mine. Hey, if they use them in the Firehawks then it can go in my car. 
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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html
Senior Member
Joined: Oct 1999
Posts: 6,621
Likes: 2
Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
I too am happy with my unit. I wouldn't trust it with slicks, just street tread.
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, Jon (350 TBI!)
91 Red My website
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, Jon (350 TBI!)
91 Red My website
yeah, i've had mine since january. no problems at all. wouldnt really put it to the test with slicks, but it did the trick for me, chaning out my one-tire 2.73 to posi 3.73, and just havin' some fun
. great bang for the buck.
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'92 Firebird 305 TBI
3.73 Posi
ASCD Ram Air Hood
14X3 K&N
'00 WS6 Exhaust
'00 16x8 Wheels
http://www.geocities.com/birdv8
. great bang for the buck.------------------
'92 Firebird 305 TBI
3.73 Posi
ASCD Ram Air Hood
14X3 K&N
'00 WS6 Exhaust
'00 16x8 Wheels
http://www.geocities.com/birdv8
Trending Topics
this maybe a stupid question guys , but here goes . I test drove a Z28 and it would not peal out .Someone told me it was because of the limited slp ? Is this so ? Do ya'lls cars peal out with them ? Thanx in advance , Wayne
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