F1 Pole Position 64 Cheats (Nintendo 64)

Beat and save the game as World Grand Prix Champion. Then, restart the game and highlight
a driver at the driver selecting screen. Press Left-C or Right C to change the current
engine.

After you've become World Grand Prix Champion, turn on the system and hold A + B when the
screen "Now loading the data from controller pak..." Now go to the Driver Selection
screen and the '96 Forti drivers will now have an Ubi Soft Original H-RA V12 Car. 
  Note: You need a controller pak to do this code.

Beat and save the game as World Grand Prix Champion. Then, restart the game and hold A + B
when the phrase "Please wait while loading" appears. The '96 Forti drivers will now have
the Ubi Soft Original H-RA V12 on the driver selection screen.

In any Grand Prix race, set your fuel to 10% before starting to get max acceleration and
don't worry you dont lose any fuel during the whole race!

Select Grand Prix mode and set the fuel setting to "10%".