8.1l

Hey folks, Been lurking and reading for a while here. Heading down to Torrey, Utah to pick up our 2005 Hawk shell on Sept 26. Pretty excited about this! Sold my 2000 Tundra a few weeks ago and picked up a 2002 GMC 2500HD with the 8.1L/Allison combo. This is a whole lotta truck compared to...