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Cheats:

Fantasy drivers:
Enter Extra Drivers as a name at the create a car screen.

Dale Earnhardt:
Enter Dale Earnhardt as a name at the create a car screen.

Tiburon Speedway track:
Use a memory card with a saved file from an EA Sports 2003 game.

Thunder Plates:
Select the Thunder Challenge or Lightning Challenge at the game mode screen. Complete the various challenges to get new Thunder Plates.

For Walkthroughs Try These Sites:

www.gamespot.com