Buells led the way in AMA Pro Thunder practice Friday afternoon at Sears Point, with Mike Ciccotto and Tripp Nobles first and second in times. Top times follow:
1. Mike Ciccotto, Buell, 1:40.397
2. Tripp Nobles, Buell, 1:40.508
3. Tom Montano, Ducati, 1:41.735
4. Dave Estok, Buell, 1:42.221
5. Jeff Nash, Ducati, 1:43.302
6. Dean Mizdal, Ducati, 1:43.303
7. Cal Sprenger, Ducati, 1:43.427
8. Zoran Vujasinovic, Suzuki, 1:44.139
9. David White, Honda, 1:45.195
10. Justin McReynolds, Buell, 1:46.955
11. Brain Long, Suzuki, 1:47.383
12. Ricky Lundgren, Ducati, 1:47.590
13. Michael Ellsworth, Suzuki, 1:48.590
14. Dale Palmer, Suzuki, 1:49.177
15. Michael Hardin, Ducati, 1:49.222

In the Friday morning Pro Thunder session, times looked like this:
1. Tripp Nobles, Buell, 1:42.858
2. Thomas Montano, Ducati, 1:44.003
3. Jeff Nash, Ducati, 1:44.939
4. Mike Ciccotto, Buell, 1:45.033
5. Justin McReynolds, Buell, 1:46.377
6. Chris Lacruze, Ducati, 1:46.644
7. Zoran Vajasinovic, Suzuki, 1:47.491
8. Mike Krynock, Ducati, 1:47.872
9. Dean Mizdal, Ducati, 1:48.521
10. Brian Long, Suzuki, 1:49.503