Choose Begin Career then enter one of the following names: CHAO BROS for Indy Cars
PEACEFUL OCEAN for Stock Cars
Slow Down Other racers
Use a hex editor and change the value in file \data\tracks\trackname.cnf. for AI_CAR_SPEED: a value of 100 is real slow, 350-450 for most tracks. You can also just subtract 100 or so for an easier race. for eample: 458 change to 358, etc.