GAME GENIE CODES: F1.

 No.  Code  Effect
   1  AA9T-6A8A  Pit crew time is 0
   2  JA9T-7EZ4  Pit crew time is 2x normal
   3  JA9T-7TZ4  Pit crew time is 1/2x normal
   4  JA9T-7AZ4  Pit crew time is 1/4x normal
   5  AJ5A-6A2N  Tires don't wear out from normal driving
   6  ABBT-6AD0  No Tire Wear from bumping some cars & some rough driving
   7  ABBA-6ACC  No Tire Wear from bumping cars or other rough driving
   8  ABAT-6ADR  Tires don't wear out from hitting some trees, signs, etc.
   9  ABBA-6AF8  Tires don't wear out from hitting other trees, signs, etc.
 10  ABKT-6EG4+AA9T-6ECA  Tires last 1/4x long as normal
 11  ABKT-6JG4+AA9T-6JCA  Tires last 1/2x long as normal
 12  ABKT-7AG4+AA9T-7ACA  Tires last 2x long as normal
 13  ABKT-7TG4+AA9T-7TCA  Tires last 3x long as normal
 14  AT5A-6A4J  No warning to pit when tires are worn
 15  AJ2A-6A5L  Each race is 1 lap
 16  AJ2A-6A48  Each race is infinite laps (lap never counts up)
 17  AYRT-6AB0+AYRT-6AB6  Highest gear with manual transmission is 5th
 18  ATRT-6AB0+ATRT-6AB6  Highest gear with manual transmission is 4th
 19  ANRT-6AB0+ANRT-6AB6  Highest gear with manual transmission is 3rd
 20  AJRT-6AB0+AJRT-6AB6  Highest gear with manual transmission is 2nd
 21  AERT-6AB0+AERT-6AB6  Highest gear with manual transmission is 1st
 22  BTRT-6AB0 + BTRT-6AB6  11 speed transmission
 23  CVKT-7JG4 + CT9T-6ECA  Take corners at full speed! (only lasts 3 ~ 4 laps.)

By adding some or all of codes 24 to 28 to code 23, you can increase the number of laps of
perfect traction from 4 laps up to 9 laps.

 24  AJ5A-6A2N  Use with code 23 (see note above)
 25  ABBT-6AD0  Use with code 23 (see note above)
 26  ABBA-6ACC  Use with code 23 (see note above)
 27  ABAT-6ADR  Use with code 23 (see note above)
 28  ABBA-6AF8  Use with code 23 (see note above)

Codes 22 to 28 were submitted by Tony Hedstrom of the Code Hut.

Download The Big Book of Game Genie Codes.