Wich Rear End is it that Accepts the Zexel Torsen POSI from SLP ?

10 Bolt with 26 or 28 Splines ?

And Wich year cars Came with this, My 85 is a 10 bolt, But How Many spline axles Do I have ?



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85 Z28 - Daily Driver
60 Ranchero - Project ( Money Hole )

 

It fits a 10-bolt with 28-spline axles. I'm pretty sure your car has 26-spline axles as I don't think they switched until '89. I think you could just get some 28-spline axles and they will work, maybe someone here has some for sale for cheap.

 

umm didnt they switch in 87 to the 28 spline axels in the 10 bolts??? just thought that was the date, i might not be comepletely correct

Steve

 

Everything I've seen says they switched in 89, but you'll still have to check, because it wasnt a full switch, it was a phased in switch. Meaning some cars had 28 and some cars had 26.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-

 

Allright, But all I would need is Some new/ used 28 spline axles ?


Sounds like a very Cost effective way to get Posi ? What would Instlling it detail ?



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85 Z28 - Daily Driver
60 Ranchero - Project ( Money Hole )

 

Here's the details for you.

How to build a better 10 bolt

I built a Toren equipped 10 bolt from my 1984 axle housing and it works great.



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Daniel Burk
http://www.isthq.com/~dan/fcar.html
'84 Trans Am WS6/L69
KB SFC, Moser axles, Torsen Diff. PST suspension, Braided stainless brake lines, Koni struts, 11-inch rear disks,Spohn Adj. torque arm,
Ported 305 heads w/1.94"intake valves, Comp Cams XE262H, Griffen alum. radiator,
Turbine Technologies 2500 stall converter, underdrive pulleys, Crane Hi-6 & more.
1.05g skidpad verified.
New best E/T! 14.039 at 100.82 MPH in 41 degree air at Stanton, Michigan.