my dad had a 09 Lmm and 07 NBS 6.0 gasser for the business we didn't really need 2 trucks anymore so his bright idea was to trade them both in on one truck long story short ford was the only one that gave him a good deal so in august of last year he got a 2010 6.4 F350 Reg Cab i hate to admit its a sharp truck and rides nice but around october it started smoking a ton and going into regen alot went to the dealer said nothing was wrong around xmas time i did an oil change for him and put the 15 quart pan under the truck walked away while it was draining came back oil all over...it overflowed the oil was real thin i told him to keep an eye on the oil within a week the oil was 2 quarts over...took it to the dealer they said 7 of the 8 injectors were no good replaced them...the tech told him to and i quote "drive it like he stole it" not to baby it at all thats why it was going into regen so much..i kept reminding him he had 0 problems with his lmm...got the truck back could smell fuel figured it was stuff they spilt...fast forward to 2 weeks ago i noticed a big puddle of fuel under the truck and overfull oil again...tech told me that 2-3 quarts overfull of fuel wasn't going to hurt anything right...so they told me dad theyd work with him to get a new motor in the truck now. ford told them to inspect the filters they found the tiniest particles in the fuel filters now ford is saying my dad put bad fuel in the truck and now is voiding the warranty on the truck because of the junk in the filters which the dealer changed less than 3,000miles ago and the lemon law acts around here wont cover the truck only because it has lettering on the doors and is used for work..i'm glad i'm the smart one in the family and kept my duramax...my brother went from a LBZ to a 6.4..as well...now my dad has a $45,000 paperweight...