Nascar 07 cheats and cheat codes for Sony PSP

Go to main menu, choose the "Game Modes" option, then select
"Fight To The Top" mode, then enter the following first and
last names at the driver information. Note: All names are
case-sensitive.

Unlock every vehicles and drivers in all 4 divisions and
unlock Old Spice Fantasy circuit:
First name: KeepCool
Last name: SmellGreat

Unlock Wal-Mart circuit and cars:
First name: Walmart
Last name: EveryDay

Unlock all Chase Plates:
First name: ItsAll
Last name: ForMe

Unlock Level 10 Prestige:
First name: Outta
Last name: MyWay

Unlock Full team Prestige
First name: MoMoney
Last name: BlingBling

Get $10,000,000:
First name: GiveMe
Last name: More

Unlock 10,000,000 fans
First name: AllBow
Last name: ToMe

No Collision mode
First name: Walmart
Last name: NoCollision
You can toggle this option in the Damage selection in Race Now mode
and will appear as "Wal-Mart No Collision Mode".