T-56 swap
 

I have a RCSB silvy with the 4.8 and the nv3500 5 speed tranny and i am saving for the6.0 and wanting to put a t-56 behind it but i was wondering how much trouble is the tranny swap. what kind of parts will i need? like flywheel ,driveshaft ,tranny crossmember. any advice will be great thanks guys.

would putting an automatic behind the 6.0 be any better than the t56?

As soon as I get my motor shipped here, and some time away from the newborn, I will let you know.

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I think the only hard part about putting the automatic is getting all of the electronic stuff to work. As far and it going in it is not that hard. For a 56 you would need a flywheel, clutch and slave. Your master clutch, your crossmember should work (pretty sure that it does), shorten the drive shaft and I think that is it. Oh and a 56 of a 98 LS1

I think if you run an auto you should get a very good built one. I would do a 56 since you are already manual.

I see you siad 98 ls1 is there a reason for that or can it be any ls1 t56? The T56 is the six speed right? thats for yalls help

how much power can the stock 4.8 5spd hold up to?