HMM everybody says the 6.0 is a POS, and I KNOW that they had ALLOT of troubles in the first years. But I have a banks six gun programmer, and 5 inch exhaust all the way back, cold air intake, and the only problems I have had is the darn tube on in the cold side keeps blowing off (twice under warranty, next time I am going aftermarket on that tube) and I am MEAN to that SOB, all miles 30K plus were pulling a 33' fifth wheel with my foot in it. (plus I LOVE the sound that bad boy makes when I stuff my foot in it) BIG DIFF, is the keep your damn eye on the EGT's!!!!! that is true with all modified diesels! ok back to topic