He also had 50 lbs of air in the tires. Dan - Kick Butt!!!! Drop the pressures down to 23-25 and try again. Bryanzstang was getting 1.8s-1.9s on the stock tires so you should be able to drop the 60fts!
If you can cut a 1.9 60ft that should get you 12.7s!
I have been thinking real hard...