The longest i have driven without shutting off the truck was about 2000k on a trip from Toronto to Nova Scotia in about 22 hours only stopping for gas and coffee numerous times.
Early 1997 HMC4, 1 of 35, Original Block H296, 110,000 miles and no cracks yet, G10 green
Custom made Brush Gaurd, Roof Rack, Overhead Console and Sound System.