| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 20 | | Bill Bowman | | 8th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 20 | | Bill Bowman | | 17th |
| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 167 | | Dan Hernandez | Daniel Hernandez | 13th |
| 9.2.1958 | Pomona [S1.5] | 167 | | Dan Hernandez | Daniel Hernandez | DNQ |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 20 | | Bill Bowman | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 20 | | Bill Bowman | | 8th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 166 | | Jim Hall | | DNF |
| 8.3.1958 | Preliminary Boca Raton [Novice] | | | J. J. Packo | | 2nd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 20 | | Bill Bowman | | raced |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 20 | | Bill Bowman | | raced |
| 22.3.1958 | 12 h Sebring | 49 | #275 | Moran / Ceresole | Charles Moran, Jr. | 38th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 29 | | Dan Hernandez | | 13th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 35 | | John P. Young | | 7th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 87 | | Paul Nau | | 5th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 18 | | Alex McMillan | Alex McMillan | DNA |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 21 | | David Brough | D. J. Brough | 4th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | | | David Brough | D. J. Brough | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Main] | 11 | | Harry Cross | | 2nd |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 11 | | Harry Cross | | 1st |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 129 | #217 | Pat Pigott | | 2nd |
| 12.4.1958 | British Empire Trophy | 15 | #157? | Alex McMillan | Alex McMillan | DNQ |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 166 | | Jim Hall | | 5th |
| 19.4.1958 | Aintree 200 [S1.1] | 48 | | Alex McMillan | Kieft Sports Car Co. Ltd. | raced |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 68 | | Bill Bowman | | 7th |
| 27.4.1958 | Preliminary Louisville [BM+CM+DM+EM+FM+GM] | | | Norm Risen | | DNF |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 2 | #323 | M. R. J. Wyllie | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 2 | #323 | M. R. J. Wyllie | | 2nd |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 35 | | John P. Young | John P. Young | DNA |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 46 | | Jim Hughes | James C. McCandless | 6th |
| 11.5.1958 | Hawaii [Match] | 52 | | John Hoogs | John Hoogs | DNA |
| 11.5.1958 | Hawaii [Locals] | 52 | | Cal Niday | John Hoogs | 11th |
| 11.5.1958 | Hawaii [S+1.6] | 52 | | Cal Niday | John Hoogs | 17th |
| 11.5.1958 | Hawaii [S1.6] | 52 | | Cal Niday | John Hoogs | 10th |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 87 | | Paul Nau | Paul Nau | 4th |
| 15.5.1958 | Eläintarhanajo | 1 | | Holger Laine | | 11th |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 2 | #323 | Margaret Wyllie | Margaret J. Wyllie | 2nd |
| 18.5.1958 | SCCA National Cumberland [GM+HM] | 2 | #323 | M. R. J. Wyllie | Margaret J. Wyllie | ?th |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 28 | | David Brough | Team Sapphire | ?th |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 8 | #275 | Charles Moran | | 10th |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 21 | | Byron J. Snow, Jr. | Daniel Hernandez | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 21 | | Byron J. Snow, Jr. | Daniel Hernandez | DNA |
| 1958 | Hawaii [Main] | 52 | | Cal Niday | | DNF |
| 1958 | Hawaii [S1.6] | 52 | | Cal Niday | | 3rd |