me and my buddy were messin around in ower trucks last night. he has an 07 ppe shied tuned duramax daycab and my truck with sct looney tuned. he had run the hott tune but only ran it for a week before he could feel his tranny start to slip so he is running econ. i let him drive mine for a while he didnt want to get out of it :hehe: i had a few questions on my next upgrade either get a bigger turbo with fass fuel pump and also a hotter tune and fuel intesifier or get.studs first? talked to a buddy who had a cummins that had close to 500 horse and spent 75,000 on it in parts and 4 trannys. though i should get a bigger turbo first and stuff but he was kinda loopy from a few beers when we were talkin about it got any advice?