hey, im lookin to upgrade my 10 bolt posi unit to the slp take off unit but it uses 28 spline axles and im pretty sure since i have an 87 gta that i have only 26 spline axles. Is it possible to put the axleshafts from a 9 bolt disc rear into a 10 bolt drum rear and make it work, since the 9 bolt has 28 splines?!?!?! i know its a 7 3/4 rear as opposed to the 7 1/2 10 bolt i have in the car now, but i dont wanna go out and spend more $$$ if i dont have to! if it doesnt work, please let me know and if i have to get new axleshafts with 28 splines where should i buy them from that is cheap but strong??? i went to the junkyards but found crap. what are some good companies tha sell em cheap????

 

Nope.

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88 427 Camaro
12.18 @ 113mph 1.75 60ft
Currently installing 3.73's into my 9 bolt (YES,it is a 9 bolt & YES they are 3.73's, not 3.70. 4.11's to follow soon )
www.koolmeister.com

 

9 bolt shafts are unequal lengths while the 10 bolts are the same lenghts. 10 bolt shafts can go in either side, and 9 bolts can only go in thier respective sides.