| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 24 | | Forrest Dana | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 24 | | Forrest Dana | | DNA |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 57 | | Fred Lieb | | 22nd |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 57 | | Fred Lieb | | DNF |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 0 | | Martin Hosch | Martin Hosch | 10th |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 120 | | John R. Webb | J. R. Webb | 2nd |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 241 | | Eugene Lee | Eugene Lee | 6th |
| 9.2.1958 | Pomona [Production 2.0] | 0 | | Martin Hosch | Martin Hosch | 21st |
| 9.2.1958 | Pomona [Production 2.0] | 120 | | Aldhous | J. R. Webb | 17th |
| 9.2.1958 | Pomona [Production 2.0] | 241 | | Eugene Lee | Eugene Lee | 20th |
| 16.2.1958 | Willow Springs [Production 1.6] | | | John Cooper | | raced |
| 8.3.1958 | Novice Mansfield [S1.6] | 5 | | W. A. Robinson | Jerry Morton | 1st |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 5 | | Jerry Morton | | 4th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 5 | | Jerry Morton | | 8th |
| 9.3.1958 | SCCA Regional Boca Raton [FP+GP+HP+KP+HM] | 18 | | J. R. McMaster | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 18 | | J. R. McMaster | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [FP+GP+HP+KP+HM] | 71 | | Paul Feltes | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 71 | | Paul Feltes | | raced |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 79 | | N. G. Lorenson | | DNS |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 79 | | N. G. Lorenson | | 4th |
| 30.3.1958 | Willow Springs [Production 1.6] | 21 | | John Cooper | F. B. Toler, Jr. | DNA |
| 30.3.1958 | Willow Springs [Main] | 21 | | John Cooper | F. B. Toler, Jr. | DNA |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 28 | | P. Jackson | | DNA |
| 7.4.1958 | 3 h Pau [GT2.0] | | | Marcel Lauga | | 5th |
| 7.4.1958 | 3 h Pau [GT2.0] | | | Jean-Pierre Schild | | 4th |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 61 | | Martin Hosch | | DNF |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 120 | | Roger Webb | Roger Webb | DNS |
| 13.4.1958 | Coupes de Vitesse [GT1.0+TS] | | | M. Salvy | | 2nd |
| 13.4.1958 | Coupes de Vitesse [GT1.0+TS] | | | G. Gougry | | 3rd |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 21 | | Allen Markelson | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 40 | | Ray Bloomer | | 11th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 64 | | Norman Webb | | 13th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 64 | | Norman Webb | | 13th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 78 | | Ken Haynes | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 82 | | Barry Budlong | | 20th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 82 | | Barry Budlong | | 15th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 129 | | Ray Anderson | | DNF |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 171 | | Bill Krause | | 12th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 171 | | Bill Krause | | 15th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 179 | | Tony Briggs | | 10th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 179 | | Tony Briggs | | 8th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 35 | | Bob Pratt | | DNA |
| 27.4.1958 | Dunnellon [smaller car Main] | | | David Lane | | 3rd |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | | | | 2nd |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | | | | 4th |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | | George Cheyne | | 1st |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | | | | 3rd |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | | | 2nd |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | | | raced |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | | | raced |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | George Cheyne | | 1st |
| 4.5.1958 | Preliminary Virginia [FP+GP+HP+KP+HM] | 179 | | Tony Briggs | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 179 | | Tony Briggs | | ?th |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 114 | | Bob Lyons | Robert L. Lyons | ?th |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 3 | | Prudence Baxter | Prudence Baxter | 10th |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 114 | | Bob Lyons | Robert L. Lyons | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 147 | | Robert Phillips | Robert W. Phillips | 8th |
| 11.5.1958 | Targa Florio | | | Cavaliere / Micciche / Ferro | | DNA |
| 11.5.1958 | Targa Florio | | | Marinoni | | DNA |
| 11.5.1958 | Targa Florio | | | | | DNA |
| 11.5.1958 | Targa Florio | | | Michele Tornatore | | DNA |
| 18.5.1958 | GP Spa [GT2.0] | 9 | | Henriquet | | ?th |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 21 | | Allen Markelson | Allen Markelson | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 87 | | Ernst Ruffini | Ernest Ruffini | DNA |
| 25.5.1958 | Hourglass Field [Production 1.6] | | | John R. Webb | | 1st |
| 25.5.1958 | Hourglass Field [Production 1.6] | | | Chuck Charles | | 3rd |
| 25.5.1958 | Hourglass Field [Production 1.6] | | | John Cooper | | 2nd |
| 25.5.1958 | Hourglass Field [Ladies] | | | Nancy McCullough | | DNA |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 8 | | Ernst Scheeder | | 9th |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 37 | | Stuart Shepp | | 11th |
| 31.5.1958 | Preliminary Santa Barbara [GP+HP] | 111 | | Martin Hosch | Martin Hosch | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 8 | | Ernst Scheeder | | 11th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 16 | | Norman Webb | | 10th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 37 | | Stuart Shepp | | 12th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 111 | | Martin Hosch | Martin Hosch | 25th |
| 1958 | Preliminary Plains Premiere [FP+GP+HM] | | | Dave Fawcett | | 3rd |