we have a 2006 lbz duramax, no chip
we use a program called EFI live to change the parameters in the computer
one of our sponsors RED LINE DIESEL PERFORMANCE in Corona does that for us
well this doesn't seem to be the most exciting post race.. at least not from the stories I've been hearing lol your avitar definitely proves you to be both the coolest and sexiest team out there... I'm jealous lol