:welcome2: To the club!
Just like gmc2500hd said, don't try to kill it in the first 500 then let 'er rip!
Personally I would wait a while untill you get used to it because the lbz in stock form is a blast to drive untill you get used to it and then add the power (like a lil kid waitin for christmas) 'cause it opens up a whole new world and drains your bank account.
new lbz with stock tires=

...

......
lbz with programmer=

.....stomp it...

....leave buddy's f250 at the light...

....smoke a ricer...

....hot lil chick saying "dam this truck is scary"

.......

......You get the idea

!