Infinite Time:
 800E7F40 0063

Lap Time Constant:
 800213AC 0000
 800213AE 0000

Extra Speed:
 8002767C 0000
8002767E 0000

Stage Time Constant:
 80021334 0000
 80021352 1040

Improved Steering:
 8008AA20 FFFF

Always First Place (Note 1):
 8005A550 0000
 8005A552 0000
 8005A558 0004
 8005A55A 10E2

Note 1: For first place you must set the codes then start the game, and immediately quit to main
menu, then reselect the race to play.