PORSCHE RACING HISTORYChiyomi Totani (J)
1989
12 March 1989 - Fuji 500 km - All Japan Sports Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 962 C | 962C-114 | C1 | Chiyomi Totani (J)/Naoki Nagasaka (J) | Alpha Cubic Racing Team (J) | 7th | 7th | 7th | 107 laps |
30 April 1989 - Fuji 1000 km JSPC - All Japan Sports Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 962 C | 962C-114 | C1 | Chiyomi Totani (J)/Naoki Nagasaka (J) | Alpha Cubic Racing Team (J) | DNF | 6th | 27 laps - Differential |
23 July 1989 - Fuji 500 Miles - All Japan Sports Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 962 C | 962C-114 | C1 | Chiyomi Totani (J)/Naoki Nagasaka (J) | Alpha Cubic Racing Team (J) | 5th | 5th | 6th | 172 laps |
8 October 1989 - Fuji 1000 km - All Japan Sports Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 962 C | 962C-114 | C1 | Chiyomi Totani (J)/Naoki Nagasaka (J)/Giovanni Lavaggi (I) | Alpha Cubic Racing Team (J) | 14th | 12th | 10th | 126 laps |