On the topic of getting a 450, just look for an F350 cab and Chasis. I could be wrong, but i just picked up a 1996 F350, single cab 4x4 with a powerstroke that has a GVWR of 11,000lb. It's frame is over an inch thicker than my 1993 F350 crew cab long bed 2wd 10,000lb gvwr. There is also an extra...