NASCAR: Dirt To Daytona Cheats

Pit crashing:
Go into the pits at the end of pit lane. You can crash into cars, which shows on the tack.

Daytona: Easy spinouts:
Use Tony Stewart's car and try to qualify in the middle of the pack. At the green flag at the start of the race, take off and cut up on the track slowly. The drivers will usually try to spin each other out.

Master code:
Press R1(2), Up, Down, R2(2), Left, Right at the title screen.

Richard Petty:
Win all the challenges to unlock Richard Petty.

Bonus options:
The following bonuses can be unlocked during game play by doing well and earning points.

AI Vengeance: AI cars retaliate when hit.
Front Wheel Drive: Car has front wheel drive.
Hardcore Physics: Hardcore realism.
Horn Ball: Press Up to shoot a paintball.
Horn Mortar: Press Up to shoot an explosive mortar.
Insane Racecar: Press Up to jump.
Mini Cars: Smaller cars
Monster Cars: High suspension.
Oh Dear: One car on track replaced by monstrous-sized crew member.
Super Draft: Faster draft speed.