| 8.2.1958 | Preliminary Pomona [Production 1.3] | 39 | | Greg Krem | Greg Krem | 14th |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 101 | | Jack Bleak | Jack Bleak | 8th |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 159 | | Bob Newman | Bob Newman | 16th |
| 8.2.1958 | Preliminary Pomona [Production 1.3] | 710 | | Harold Dixon | Harold Dixon | DNA |
| 9.2.1958 | Pomona [Production MG] | 39 | | Greg Krem | Greg Krem | 20th |
| 9.2.1958 | Pomona [Ladies] | 39 | | | Greg Krem | DNA |
| 9.2.1958 | Pomona [Ladies] | 101 | | | Jack Bleak | DNA |
| 9.2.1958 | Pomona [Production MG] | 101 | | Jack Bleak | Jack Bleak | 12th |
| 9.2.1958 | Pomona [Production MG] | 159 | | Bob Newman | Bob Newman | DNF |
| 9.2.1958 | Pomona [Ladies] | 159 | | Rose Nelson | Bud Newman | 11th |
| 9.2.1958 | Pomona [Production MG] | 710 | | Harold Dixon | Harold Dixon | DNA |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 31 | | Jane Wells | | - |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 137 | | John Miller | | - |
| 23.3.1958 | SCCA Regional Stockton [Production 1.6] | 31 | | Randall Cowherd | | 16th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 31 | | William T. Ribbs | | 13th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 173 | | Bob Downing | | 23rd |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 27 | | J. P. Hacking | | 1st |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 137 | | Charlotte Duncan | Charlotte Duncan | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 137 | | Jim Duncan | Charlotte Duncan | ?th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 137 | | John Miller | Charlotte Duncan | 2nd |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 97 | | John Tame | John S. Tame | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 142 | | Al Weaver | Al Weaver | DNA |
| 31.5.1958 | Preliminary Santa Barbara [GP+HP] | 0 | | Jim Honeter | Jim Honeter | DNA |
| 31.5.1958 | Preliminary Santa Barbara [GP+HP] | 101 | | Paul Hart | Jack Bleak | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 108 | | Ann Moore | Gary Moore | DNA |
| 31.5.1958 | Preliminary Santa Barbara [FP] | 108 | | Gary Moore | Gary Moore | DNA |
| 31.5.1958 | Preliminary Santa Barbara [GP+HP] | 710 | | Harold Dixon | Harold (Phil) Dixon | DNA |
| 31.5.1958 | Preliminary Santa Barbara [FP] | 712 | | Bill Dixon | Todd Evans | DNA |
| 1.6.1958 | Santa Barbara [MG] | 0 | | Jim Honeter | Jim Honeter | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [MG] | 15 | | E. Vollard | | 14th |
| 1.6.1958 | GP Dunkirk | 15 | | E. Vollard | | 21st |
| 1.6.1958 | SCCA Regional Dunkirk [MG] | 97 | | John Tame | | 16th |
| 1.6.1958 | Santa Barbara [MG] | 101 | | Paul Hart | Jack Bleak | DNA |
| 1.6.1958 | Santa Barbara [Ladies] | 108 | | Ann Moore | Gary Moore | DNA |
| 1.6.1958 | Santa Barbara [MG] | 108 | | Gary Moore | Gary Moore | DNA |
| 1.6.1958 | Santa Barbara [MG] | 710 | | Harold Dixon | Harold (Phil) Dixon | DNA |
| 1.6.1958 | Santa Barbara [MG] | 712 | | Bill Dixon | Todd Evans | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 7 | | John Tame | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 11 | | Ralph Durbin | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 47 | | Al Weaver | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 87 | | J. P. Hacking | J. P. Hacking | raced |
| 7.6.1958 | Put-In-Bay [MG] | 102 | | Richard Reihm | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 103 | | John Bernard | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 215 | | Frank White | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 215 | | Frank White | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [MG+HM] | | | John Miller | | 2nd |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 21 | | Frank White, Jr. | Frank White, Jr. | 30th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 24 | | Joe Mayer | Joseph R. Mayer | 24th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 39 | | Everett Pritchard | Everett Pritchard | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 44 | | Darrel Mahnke | Darrel Mahnke | 33rd |
| 27.6.1958 | Preliminary Watkins Glen [MG] | 67 | | Edgar Vollaro | Ecurio-Torque | 13th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 67 | | Edgar Vollaro | Ecurio Torque | 21st |
| 27.6.1958 | Preliminary Watkins Glen [MG] | 97 | | John Tame | John S. Tame | DNA |
| 28.6.1958 | Preliminary Riverside [MG] | 101 | | Jack Bleak | | ?th |