Finally got to join the 6.7 club last Thursday . Traded off my 08 6.4 , It ran great but sucked fuel ( no better than 15 mpg in the summer , mostly 12-14 mpg) and was rusting , So i found a 2011 twin to my truck , truck has just over 100k on it but if you saw it you'd swear it looked like a 50k...