I have some popular tunes for these cars
CAR Class
1962 Lotus Elan D400, grip/accel - great all around
1965 Alfa Romeo Giulia Sprint GTA Stradale C500, grip/accel - untouchable
1981 BMW M1 B600, grip/accel - great all around
2009 Lotus 2-Eleven A700, grip/accel - tears corners apart, brake late and rocket out