Which track?
I haven't seen any fast turbo diesels at Sac, but I was at Sears one night and kinda chuckled at this guy in a jacked up extended cab 4x4 Dodge spooling it up at the line and blowing black smoke all over creation... but I stopped snickering really fast when he launched! I couldn't believe something so big would come out of the hole so fast. He went on to run a 12.70.
I talked to the guy afterwards and he said he launches in 4WD and slaps the transfer case offline when he shifts to second. He said it's really inconsistent but makes for a helluva launch when he gets it right. I'll say!!