Mario Andretti's Racing Challenge

Mario Andretti's Racing Challenge cheat codes: 
If you're struggling to make money in EA's racing
game here's how to get loads of money without
winning a race.
Create a new player in the usual way and obtain
sponsorship.
Save the game and give it a name you will
recognise for example MYGAME.
Quit the program and run your file editing utility.
Remember to make backup copies of your game files
in case you make an error. Load the file MYGAME.GAM
and change:

49 56 41 4E 53 4B 49 20 00 00 00 00 00 00 14 00
to:
49 56 41 4E 53 4B 49 20 00 00 00 00 00 00 FF FF