The 6.7 IS better....
__________________
2007 Megacab 2500 4x4 6.7Liter 68RFE 3.70 limited slip . Bone stock and no problems at all . 20 MPG highway easy .. 21.75 best so far 1999 Durango 5.9 Liter 3.92's ALL the options. Work truck 09 Freightliner M2 33k GVW ISC 260/840 RFO9210B
