Quote Originally Posted by gassersrule_196
to my knowledge gm has 2 splines from the early 4 speed's 10 and 26. never have heard of 32 especially in a muncie anything.
I think he's refering to the output splines. The later Muncies, from around 1970 or thereabouts, had a 32 spline output. The 10 and 26 spline spec would be for the input shaft.

Bob