haha thanks again! Ive got a trans temp gauge as well already and it seems to stay pretty cool. Im not sure whats been done to the trans but it seems like it might have a shift kit or something but im not sure. The truck came with a turbo off of an 04 that he planned to put on but never got around to it. would it be worth putting the other turbo on? Ive heard that it would spool a little quicker witch might be kinda nice for towing! what do you guys think?
I just put a stock 2007 turbo on mine and I like it... I added bigger injectors at the same time, so I can't say how much the turbo alone changed things, but It's sure fun to drive now!
The turbo you have
might be the same as the one I used (2004.5-08 5.9 Cummins turbos are the same.) Look at the sticker on the wastegate of your newer turbo and find the model number... If it says "HE351xx" then you are good to go. If it says "HE341xx" (the one they used in 03-04.5 trucks) then it is a little smaller than the newer one, and probably won't benefit you much.
If you do swap turbos, you'll need to make some exhaust downpipe changes, and some intake plumbing changes. I'd be happy to let you come check my swap out. Also, with the new turbo, you can probably handle a little more fuel too, so a chip/programmer of some sort, or a set of injectors could really make a difference for you.