Unlockables
Choose the indicated track and highlight the 'Select Car' option. Then enter the code and if it has been entered correctly you will hear the rumbling sound of an engine as confirmation.
Unlock Allen Kulwicki - Bristol Motor Speedway:
R1, R1, R2, R2, Square, Square, Circle, Circle, X, X.
Unlock Bobby Allison - North Carolina Speedway:
Left, Up, Right, Square, X, Circle, L1, L2, R1, R2.
Unlock Davey Allison - Talladega Superspeedway:
Up, X, Down, R1, Left, Circle, Right, Square, L2, L1.
Unlock Richard Petty - Martinsville Speedway:
Up, R1, Right, Circle, Down, X, Left, Square, L1, R1.
Unlock Cale Yarborough - Darlington Raceway:
Up, Up, Up, Square, Square, Square, Left, Circle, Circle, Left.
Unlock Turbo Mode:
Hold Circle at the race setup screen and press Up, Left, Down, Right.
More tricks, tips and cheats for this game are right here - Nascar 99 cheats
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