I havnt really got a chance to drive the cummins all that much maybe 60 miles... But it's a toss up they are both good my duramax had a 6" fabtech and I upgraded the shocks to fox 2.0s and it rode like a dream I think better then factory... The cummins had a 6" short arm skyjacker that is a bit rough had the cheap skyjacker shocks replaced them with the fox 2.0s and it made a noticeable difference but I need to ditch the short arm to a long arm system to really make it better... Motors I like both but it's hard to compare a fully built truck to a basically stock other then deleted but so far I'm liking the cummins... Has plenty of power don't hardly notice how fast your going it gets up an moves... The cummins does feel tippier but It isn't a huge difference... All in all I was super nervous about the whole idea of changing but I'm coming around to it an liking it more an more glad I made the change now that I did it I would buy either or if did it again..
11' cummins, ccsb, lifted, deleted
R.I.P. 04 lb7, ccsb, lifted, fully built motor, trans, twins, dual fuelers, ect....