SLP Posi
Thread Starter
Senior Member
Joined: Jun 2001
Posts: 609
Likes: 2
From: Pearland, Texas
SLP Posi
I just found out that SLP sells posi units for $99! Yeah! I have the 28-spline 10-bolt in my car but it is a 2-series carrier ( 2.73 gear ), I'm gonna get a set of 3.42s out of a junkyard v6 car. I've heard they will work with my diff if I have a spacer, will the posi work too? If not, do I have to take the entire v6 rear end to make this work? Where can I get the spacer?
Member
Joined: Sep 1999
Posts: 352
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From: Southern MD, USA
Stock 3.42's are a 3 series gear and will bolt up to the SLP posi with nothing else needed. The 3 series carrier IS the SLP posi unit. This setup will then fit directly into your rear with your 28 spline axles. No spacer needed because the SLP carrier is for 3 series and the 3.42's you are getting are 3 series.
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88 firebird formula
350 Vortec, Accel Pro-Ram MPFI
214int/224exh, .471int/.491exh
Edelbrock headers
T56 - SIX-speed
open 3.73's
3 inch Flowmaster catback
I love pissing those LS1's off
Old time with TBI - 13.9 @103mph, 2.6 60ft
My Formula
[This message has been edited by Birmass (edited December 11, 2001).]
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88 firebird formula
350 Vortec, Accel Pro-Ram MPFI
214int/224exh, .471int/.491exh
Edelbrock headers
T56 - SIX-speed
open 3.73's
3 inch Flowmaster catback
I love pissing those LS1's off
Old time with TBI - 13.9 @103mph, 2.6 60ft
My Formula
[This message has been edited by Birmass (edited December 11, 2001).]
Member
Joined: Mar 2000
Posts: 331
Likes: 0
From: Centerline, MI 48015
<font face="Verdana, Arial" size="2">Originally posted by RSRagtop:
I just found out that SLP sells posi units for $99! Yeah! I have the 28-spline 10-bolt in my car but it is a 2-series carrier ( 2.73 gear ), I'm gonna get a set of 3.42s out of a junkyard v6 car. I've heard they will work with my diff if I have a spacer, will the posi work too? If not, do I have to take the entire v6 rear end to make this work? Where can I get the spacer?</font>
I just found out that SLP sells posi units for $99! Yeah! I have the 28-spline 10-bolt in my car but it is a 2-series carrier ( 2.73 gear ), I'm gonna get a set of 3.42s out of a junkyard v6 car. I've heard they will work with my diff if I have a spacer, will the posi work too? If not, do I have to take the entire v6 rear end to make this work? Where can I get the spacer?</font>
No spacers or other exotic things needed, if you use 3.42 gears.
[This message has been edited by gravitar (edited December 11, 2001).]
Thread Starter
Senior Member
Joined: Jun 2001
Posts: 609
Likes: 2
From: Pearland, Texas
Sweet! Thanks guys, I've never swapped gears before and wasn't sure I when people said carrier they meant the case or the thing ( I said thing, see my ignorance ) the ring gear bolts to. So all I need to get from the junkyard is the ring and pinion?
) the ring gear bolts to. So all I need to get from the junkyard is the ring and pinion? 
TGO Supporter
Joined: Jul 2001
Posts: 4,991
Likes: 1
From: Cheyenne, Wyoming
Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
MAKE SURE YOUR CARS ARE THE LATE 28 SPLINE AND NOT THE EARLIER 26 SPLINE OR YOU'LL BE OUTTA LUCK. 28 = 87-LATER? S-10S ARE A GOOD SOURCE OF POSI'S AND 3.73'S AND SOMETIMES 4.10'S
Senior Member
Joined: Mar 2001
Posts: 868
Likes: 0
From: Randleman,NC,USA
Car: 91 Camaro RS Convertible
Engine: 385ci LT1 cnc ported heads big cam
Transmission: 4L60E automatic
Axle/Gears: 3.42 Zexel posi 7.5" rear
It has been months since I saw them for $75. That is what I paid for mine almost 6 months ago. LOVE IT. I run the 3.42 gears too MUCH BETTER than 2.73. I bought new gears because its a LOT of trouble to replace them and didn't want to trust USED gears in there.
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91 Camaro RS 5.0L Black Convertible 700R4
** Added so far **
*GM Wonderbar,Alston SFC's,spohn LCA's and Panhard rod
*Turbo City Inj Spacer
*Dual Snorkel Air Filter
*March Performance Pulleys
*GM 3.42 Gears with OEM Zexel POSI
*Edelbrock headers
*3" High Flow Cat
*3" Dynomax Exhaust
*Walbro 255 lph Fuel Pump
***getting ready for new engine. TBI version of this http://www.airflowresearch.com/Articles/A3-P1.htm
------------------
91 Camaro RS 5.0L Black Convertible 700R4
** Added so far **
*GM Wonderbar,Alston SFC's,spohn LCA's and Panhard rod
*Turbo City Inj Spacer
*Dual Snorkel Air Filter
*March Performance Pulleys
*GM 3.42 Gears with OEM Zexel POSI
*Edelbrock headers
*3" High Flow Cat
*3" Dynomax Exhaust
*Walbro 255 lph Fuel Pump
***getting ready for new engine. TBI version of this http://www.airflowresearch.com/Articles/A3-P1.htm
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