Andretti Racing Cheats

Extra cars:
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Start a new race. Choose the "Begin Career" selection. Enter GO_BEARS!
(for stock cars) or GO_BRUINS! (for formula one cars) at the "Register"
screen. Note: "_" indicates a space.
In-race car modifications:
Pause the game during a race. Enter the "Race Statistics" screen.
Hold L1 + L2 + R1 + R2 + X + Circle + Select. A car editor menu with the
following options will appear:
•Drafting effect •Draft distance •Front downforce •Rear downforce
•Fuel consumption rate •Incremental braking •Tire wear rate
•AI speed percentage (50-150) •Torque spins •Centrifugal force
Note that some of these options can be set with a negative number.