noob racing advice

[dommel01]

well i am gonna be racing my truck this weekend, in a 300ft dirt drag, its hard packed clay

im running 275/65-20 michilens, around what pressure do i wanna run?
i know i wanna lauch in 4x4 but high or low?
would tow/haul mode help at all?

any other advice is much appriecated

 

[compromised]

Run your tires at 12 in the back and 20 in the front. Run in 4high with no tow haul. And have a blast!!! If you start to wheel hop you might want to lower air pressure a little bit...