I'll add my $. 02 worth... I drive about 1. 8 miles one way to the park-n-ride daily. I did this for 4 years with my GMC 6. 5TD with the only adverse effect being to fuel mileage... I'm expecting no less from my Cummins!
------------------
'01 2500 QC SLT (white/mist gray), 4x2, SWB, Cummins, Auto, 3. 54 LSD, Tow Package, 4wABS, Luverne SS Side Entry Steps, Truck Trunk, Reese 18K Classic, Tekonsha EnvoySV, Pioneer DEH-P47DH, Kenwood TM-733A. 24' SunnyBrook 5er with solar. Ram Ham: N0MEU
------------------
'01 2500 QC SLT (white/mist gray), 4x2, SWB, Cummins, Auto, 3. 54 LSD, Tow Package, 4wABS, Luverne SS Side Entry Steps, Truck Trunk, Reese 18K Classic, Tekonsha EnvoySV, Pioneer DEH-P47DH, Kenwood TM-733A. 24' SunnyBrook 5er with solar. Ram Ham: N0MEU