Fastest car
If you win HKS drag, then go to sunday cup. Pick one race and choose settings.Press L1 and find gears. Under the gears are "Max speed". Put that to 30
And exit race.
Then go to machine test and take max speed challenge.You have car what rides over 400km/h.
I got 429km/h.
We have more cheats and tips for this game here, Gran Turismo 2 cheats
Comments for this hint