Posted 12/3/2009 01:27 (#947728 - in reply to #947646) Subject: RE: Detroit 12.7 pulling ability?
SW North Dakota
The trans is a eaton 10 speed and the rear is 3.90. It tops out at 72 at around 1600 rpm. I dont think it runs up to 2100. It doesnt have a boost guage but I would like to add one.