Can some one tell me if you can swap out my auto tranny 4l60 with a t56?

[live_to_race]

well tonight really sucked i was about to go for a swim and bang my tranny started to make some crazy noise sounded like blowing thu a peice of grass my tranny started to act up no reverse it would go in to second then skip third and go to od ?????? ok i know i drive my truck really hard so now i need a tranny i really kinda wanted to to break it anyways because i want a 5 or 6 speed can any one tell me if a t56 will fit in my truck or what i could put in it to make it go like snot i have 99 gmc sierra 2wd base model iv done a lot to it 4.56 rearend alburn posi its flash tuned with 3rd stage afi air intake and some other bolt ons some one please help

[txarkitekt]

There are some threads that have explained this. the search button works wonders.

[Frenchy]

considering this is your second thread asking the same question too

[txarkitekt]

Ok, let's help the poor fellow than rag him.

Read this thread: http://www.ls1truck.com/forums/mecha...t-56-swap.html

[Frenchy]

I looked for that one, I even have that one printed out and in my notes, couldn't find the damned thing. But in that it's going from 5 to 6speed, a lot simpler.