It didn't have the 100 shot on that pass, read the capation or head over to LS1tech. It went 12.49 on the 100 shot.
Edit:
I will save you the time here is the caption.
TuneTimePerformance has already started beating the ever-living-crap out of its new Pontiac G8. It was hot-lapped and made a few passes with a few variables changing. Here are some numbers to oogle over:
Stock: 2.03 60ft, 13.39 @ 104.7
Tune: 2.00 60ft, 13.10 @ 107.5
100 shot: 1.96 60ft, 12.49 @ 114 mph
Threads
http://www.ls1tech.com/forums/showthread.php?t=891578 http://www.ls1tech.com/forums/showthread.php?t=891619
Those 60 foots help alot and the 100 shot is almost dead nuts on you can figure you will pick up about 1.0 second to .7 of a second in the 1/4 mile.