N nam vet Guest Jun 30, 2008 #1 ...1500HD motor? a friend of mine has 2003 with vortec motor was told that the intake had to be timed upon replacement of gaskets dont understand why its timed by electronics?
...1500HD motor? a friend of mine has 2003 with vortec motor was told that the intake had to be timed upon replacement of gaskets dont understand why its timed by electronics?