I can't imagine that the clutch will hold up long after a few 8000 rpm "slip of the clutch" launches.
Sounds like you have to drive the piss out of them to get them to move.
On another note, did anyone see the mew MM&FF article on the 01 Cobra? They ran a couple 13.4's and one 13.3 @ 104 in BONE STOCK trim. It is about time!
E
------------------
1991 5.0 LX Coupe - 38,000 miles
13.17 @ 106.14 mph w/ 2.138 60'