I've been looking into sources to rebuild my T56 lately. D&D comes to mind, but that also got me to wondering if I can do it myself. I think I can....but I'd hate to screw up my T56. I know that the preloads on the shafts is critical.

I can't recall any type of T56 rebuild writeup on this site(I could be wrong, maybe there is...). So, after some searching I found this.....

http://ls1tech.com/forums/manual-tra...-write-up.html

The above is for a Tremec(I have Borg Warner). However I think they are, roughly, the same thing. It's a really good writeup.

This is informative too....

http://www.gmhightechperformance.com...ild/index.html
http://www.popularhotrodding.com/tec...ion/index.html

 

With the info you have posted, everything is there to rebuild your own transmission.