Found this on the registry:
Thread:
http://www.mach1registry.org/forums/showthread.php?s=&threadid=15665
Pontiac enthusiast publication piece:
http://www.highperformancepontiac.com/features/0407pon_gtotest

Thread:
http://www.mach1registry.org/forums/showthread.php?s=&threadid=15665
Pontiac enthusiast publication piece:
http://www.highperformancepontiac.com/features/0407pon_gtotest




I dont understand your point? If the MACH's numbers werent that great that day, then the GTO's werent either. Again, look at the trap speed. Both cars should have run faster than 13.5's.