| 23.1.1955 | 1000 km Buenos Aires | 2 | | Bruno / Bruno | | DNF |
| 13.3.1955 | National Buenos Aires | | | Franco Bruno | | 3rd |
| 13.3.1955 | 12 h Sebring | | | Carveth / Blackburn | Rod Carveth | DNQ |
| 20.3.1955 | SCCA Regional Stockton [S+1.5] | | #3208 | John Barneson | | raced |
| 26.3.1955 | Preliminary Palm Springs [Modified +3.0] | 120 | #3145 | Bythiner / Bythiner | Klaus Bythiner | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 120 | #3145 | Bythiner / Bythiner | Klaus Bythiner | DNA |
| 3.4.1955 | National Rosario | | | Franco Bruno | | 4th |
| 17.4.1955 | National Buenos Aires | | | Franco Bruno | | 4th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 15 | | Rod Carveth | | 9th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 15 | | Rod Carveth | | 31st |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 114 | | Robert Cardwell | Robert Cardwell | 4th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 129 | #3056 | Donald McNaughton | D. G. MacNaughton | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 157 | #3064 | David Burtner | D. S. Burtner | DNF |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 157 | #3064 | Peggy McClure | David S. Burtner | 6th |
| 29.5.1955 | SCCA Regional Thompson [UR] | 10 | #1859??? | Preston Gray | | 1st |
| 29.5.1955 | SCCA Regional Thompson [UR] | 36 | | Stewart Rutherford | | 6th |
| 29.5.1955 | Santa Barbara [S+1.5] | | | Rod Carveth | | ?th |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 3 | #3041 | Don Skogmo | Don Skogmo | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 64 | | Sheldon Botruff | Sheldon Botruff | DNA |
| 18.6.1955 | Edenvale [Sports] | 35 | #3056 | Donald McNaughton | Donald C. MacNaughtonn | 4th |
| 18.6.1955 | Edenvale [Formula Libre] | 35 | #3056 | Donald McNaughton | Donald C. MacNaughtonn | DNA |
| 18.6.1955 | GP Edenvale | 35 | #3056 | Donald McNaughton | Donald C. MacNaughtonn | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 64 | | Sheldon Botruff | Sheldon Botruff | raced |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 64 | | Sheldon Botruff | Sheldon Botruff | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 92 | | Harry Woodnorth | H. Woodnorth | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 92 | | Harry Woodnorth | H. Woodnorth | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 141 | | John Collins | John Collins | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 141 | | John Collins | John Collins | DNA |
| 3.7.1955 | New Orleans [Handicap] | 7 | | Ted McGrade | | DNA |
| 3.7.1955 | New Orleans [Sports] | 7 | | Ted McGrade | | DNA |
| 3.7.1955 | New Orleans [BM+CM+DM+EM+FM+CP+DP+EP] | 7 | | Ted McGrade | | DNA |
| 3.7.1955 | Milwaukee [BM+CM+DM+EM+CP+DP+EP] | 64 | #3056 | Donald McNaughton | | DNA |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | 10 | #1859??? | Preston Gray | | 4th |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 15 | | Rod Carveth | Rod Carveth | DNA |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 120 | #3145 | Klaus Bythiner | | 20th |
| 13.8.1955 | Edenvale [S+3.0] | 104 | #3056 | Donald McNaughton | | DNA |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 104 | #3056 | Donald McNaughton | | DNA |
| 14.8.1955 | Snetterton International [S+1.5] | 101 | | Peter Woozley | P. Woozley | raced |
| 3.9.1955 | Preliminary Santa Barbara [Modified +1.5] | 135 | | Ennals Ives | Ennals Ives, Jr. | DNA |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 127 | #3056 | Donald McNaughton | | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 135 | | Ennals Ives | Ennals Ives, Jr. | DNA |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 146 | | Sheldon Botruff | | 11th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 73 | | Bret Hannaway | Ecurie Osborne-Hannaway | 7th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 95 | #3056 | Donald McNaughton | Donald G. McNaughton | 8th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 103 | #3049 | Peter Woozley | Peter Woozley | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 103 | #3049 | Peter Woozley | Peter Woozley | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 240 | | Leo Dym | Leo Dym | DNA |
| 1.10.1955 | SCCA Regional Salinas [Modified +1.5] | 71 | #3208 | John Barneson | | raced |
| 1.10.1955 | Edenvale [Formula Libre] | | #3056 | Donald McNaughton | | 1st |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 82 | | Leo Dym | Leo M. Dym | DNA |
| 22.10.1955 | 6 h Torrey Pines | 135 | | Ennals Ives | Ennals W. Ives, Jr. | 15th |
| 23.10.1955 | Torrey Pines [S+1.5] | 120 | #3145 | Klaus Bythiner | Klaus F. J. Bythiner | 7th |
| 23.10.1955 | Torrey Pines [S+1.5] | 135 | | Ennals Ives | Ennals W. Ives, Jr. | DNA |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 175 | | Ennals Ives | | DNF |
| 4.12.1955 | Main Palm Springs [S+1.5] | 120 | #3145 | Klaus Bythiner | | 22nd |