| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 130 | | Art Tweedale | | 2nd |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 130 | | Art Tweedale | | 2nd |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 38 | | Marion Lowe | | - |
| 22.3.1958 | 12 h Sebring | 52 | #AR 1495.00657 | Rainville / Kaplan | Jake Kaplan | 24th |
| 23.3.1958 | SCCA Regional Stockton [Production 1.6] | 38 | | Marion Lowe | | 11th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 93 | | Ron Hathaway | | 1st |
| 23.3.1958 | SCCA Regional Stockton [Production 1.6] | 93 | | Ron Hathaway | | 6th |
| 30.3.1958 | Willow Springs [Production 1.6] | | #new | Keith Lindsey | Flintridge Motors | 1st |
| 30.3.1958 | Willow Springs [Main] | | | Keith Lindsey | | DNF |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 50 | | Ron Hathaway | Ron Hathaway | DNS |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 138 | | Marion Lowe | | 9th |
| 13.4.1958 | Preliminary Palm Springs [Ladies+FIII] | 138 | | Marion Lowe | Marion Lowe | 7th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 9 | | Bob Grossman | | 4th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 9 | | Bob Grossman | | 5th |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 171 | | Bill Hughes | | ?th |
| 4.5.1958 | Preliminary Virginia [FP+GP+HP+KP+HM] | 171 | | Bill Hughes | | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 8 | | Ron Hathaway | Ron Hathaway | 7th |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | | | Ron Hathaway | | 12th |
| 31.5.1958 | Preliminary La Junta [Production+HM] | 28 | | Louis Plummer | | 14th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 28 | | Louis Plummer | | 21st |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 82 | | Barry Budlong | | 1st |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | | Bill Hughes | | 2nd |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 4] | | | Bill Hughes | | 2nd |
| 14.6.1958 | SCCA National Lime Rock [GP+HP+HM] | 3 | | Ray Anderson | | DNF |
| 14.6.1958 | SCCA National Lime Rock [GP+HP+HM] | 71 | | John Clapp | | 1st |
| 14.6.1958 | SCCA National Lime Rock [GP+HP+HM] | 179 | | Tony Briggs | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 8 | | Ron Hathaway | | 15th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 38 | | Marion Lowe | | 17th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 37 | | Richard Gaard | Dr. Richard Gaard | 10th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 8 | | Ron Hathaway | Ron Hathaway | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 38 | | Marion Lowe | Marion Lowe | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 8 | | Ron Hathaway | Ron Hathaway | 9th |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 38 | | Marion Lowe | Marion Lowe | 2nd |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 38 | | Marion Lowe | Marion Lowe | 17th |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | 171 | | Bill Hughes | | 1st |
| 6.7.1958 | Hammond [Production 1.6+MGA+HM] | 171 | | Bill Hughes | | 1st |
| 6.7.1958 | SCCA Regional Minneapolis [Production 1.6] | | | Richard Gaard | | 1st |
| 19.7.1958 | BEMC Harewood Acres [Production 1.5] | | | Barry Budlong | Ecurie Ecusson | 1st |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 137 | | Richard Gaard | | 6th |
| 17.8.1958 | SCCA National Montgomery [GP+HP+HM] | 9 | | Bob Grossman | | 2nd |
| 17.8.1958 | SCCA National Montgomery [GP+HP+HM] | 40 | | Ray Bloomer | | 5th |
| 17.8.1958 | SCCA National Montgomery [GP+HP+HM] | 170 | | John Guthrie | | 1st |
| 31.8.1958 | Santa Barbara [FP] | 111 | | Gerald Lehrer | | 10th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 171 | | Bill Hughes | Maj. William T. Hughes | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 171 | | Bill Hughes | Maj. William T. Hughes | DNA |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 2 | | Ted Baumgartner | | 4th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 37 | | Richard Gaard | | 8th |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | Bill Hughes | | 8th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Bill Hughes | | 1st |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 8 | | Ron Hathaway | | 8th |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 20 | | Robert Stewart | | 3rd |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 90 | | Bob Grossman | | 2nd |
| 12.10.1958 | 6 h Venice | | | Durant / Lacey | | ?th |
| 22.11.1958 | 6 h Pomona | | | Hathaway / Froines | | 10th |
| 23.11.1958 | Pomona [FP+GP+HP] | | | Hathaway | | 2nd |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 79 | | Louis Comito | | 3rd |
| 4.12.1958 | Nassau TT | 79 | | Louis Comito | | 8th |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | 79 | | Louis Comito | | raced |
| 6.12.1958 | Nassau [Ladies] | 79 | | Pinkie Windridge | Wynn Kramarsky | 9th |
| 7.12.1958 | Nassau Trophy | 79 | | Wynn Kramarsky | Wynn Kramarsky | 14th |