Duke does not look happy! Git in there and get some! If you're going to be up to these shenanigans, run, don't walk, to these threads-
http://67-72chevytrucks.com/vboard/s...d.php?t=564201
Mp&C is a metal wizard who manages to make it look like even a mere mortal can do this. Literally stop and read this thread there is much to be learned.
Astronaut does shockingly good work. You'll learn here too.
http://67-72chevytrucks.com/vboard/s...d.php?t=639218
Also search ebfabman's threads. Killer work, and he makes good truck specific videos as well. Good luck!