I'm currently putting a Dana 300 in my zj but I am having a problem. It is the same spline count, the same mounting pattern, but when I go to install it doesn't seat all the way to the tranny. There is about an 1/8" gap between the two. I can't tell were it is bottoming out at when I put it on. So my ? is would it hurt if I was to make a spacer to make up the diference between the two, Also It looks that I'm getting about an 1 1/2" of spline contact is that enough.
Rollin

You need a clocking ring. It will act as the spacer that you need. It will also allow you to put the t-case where you want it.

go2guy has my favorite clocking rings. Have purchased many of them from him.

ttt

BTT did you ever get this taken care of? I'm jumping in on this swap in the next month or so.

You need a clocking ring. It will act as the spacer that you need. It will also allow you to put the t-case where you want it.

go2guy has my favorite clocking rings. Have purchased many of them from him.


X2

Yeah its taken care of. I order go2guy's clocking ring and just used it as a spacer in the lowest hole. I would of had to hack the floor up to clock it up any and I didn't won't to do that yet, maybe at a later date I will to make it smooth underneath.

I know this thread is 2 years old but what kind of transmission came behind your 5.2? I am assuming the 46rh. I am looking at doing something similar. dana 300 behind my 5.2/46rh (stock) in my 93.