As far as LDUB in the sand...if I remember correctly DUB aired his tires down very little if any. I know Merlin aired his down conciderably. That makes a HUGE differance in sand and on the rocks. The two biggest things to improve traction off road are tire compound and how low you air your tires down. Most guys who do serious crawling run 4-8 PSI in their tires (with beadlocks). And the comp guys are not running the same tires you and I buy at the tire shop. They are running non-dot super soft rubber compounds (stickies).
Oh yea! We are not jacking the thread....just adding entertainment in between bumper updates!