Turtle n Peeps wrote:
Cummins12V98 wrote:
JustLabs wrote:
You'll use more fuel and RPM to do it,but an 8.1 will run circles around a CTD of that era.
I really doubt that.
Doubt it if you want but that big block would smoke the oil burner of those years. The big block has more than a 1/3 more HP. Would not even be close.
I used to have a 2003 Quad Cab Long Bed 2500 with the 5.9 CTD. I now tow with what's in the sig. Definitely my 8.1 tows better than my Cummins did. 8-9 MPG gas vs. 13 MPG diesel towing. Maybe not all are like this, maybe I had a bad Dodge, maybe I have a superior GMC - just my observation.
