| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 03 | | I. A. Kupersmith | | 21st |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 03 | | I. A. Kupersmith | | 14th |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 19 | 100 | Pete Harrison | | DNF |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 19 | 100 | Pete Harrison | | 19th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 40 | | Scott Grant | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 40 | | Scott Grant | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 69 | 100 | Ralph Deshon | | DNF |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 70 | 100 | Ernest Robinson | | 18th |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 94 | | Al Niblack | | 10th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 94 | | Al Niblack | | 11th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 101 | | Roy Roemer | | 12th |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 101 | | Roy Roemer | | DNF |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 103 | | Art Habersin | | DNA |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 103 | | Art Habersin | | DNA |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 104 | | Al Hammett | | DNF |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 116 | | Phil Stiles | | DNA |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 116 | | Phil Stiles | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 123 | | Nancy Pierce | | 12th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 123 | | Nancy Pierce | | 20th |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 125 | | Forrest Dana | | 19th |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 188 | 100 | Fred Moore | | 5th |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 288 | | Alan Smith | | 14th |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 288 | | Alan Smith | | DNF |
| 27.1.1958 | South Pacific Championship | | 100 S | John Roxburgh | | 3rd |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 21 | 100 | Arthur Morton | Arthur Morton | 14th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 22 | 100 S | Gil Bloemendaal | Gil Bloemendaal | DNA |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 47 | 100 | Earl Drew | J. Earl Drew | 16th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 97 | 100-6 | Thomas O'Neill | Thomas O'Neill | DNF |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 163 | 100 S | Jack Breskovich | Jack Breskovich | 5th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 164 | 100 S | Robert Windhorst | Robert Windhorst | 2nd |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 187 | 100 | William Redden | William Redden | 15th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 252 | 100 | James Coffin | James Coffin | DNA |
| 9.2.1958 | Pomona [Production +2.0] | 21 | 100 | Arthur Morton | Arthur Morton | 12th |
| 9.2.1958 | Pomona [Production +2.0] | 22 | 100 S | Gil Bloemendaal | Gil Bloemendaal | DNA |
| 9.2.1958 | Pomona [Production +2.0] | 47 | 100 | Earl Drew | J. Earl Drew | 14th |
| 9.2.1958 | Pomona [Production +2.0] | 97 | 100-6 | Thomas O'Neill | Thomas O'Neill | DNS |
| 9.2.1958 | Pomona [Production +2.0] | 163 | 100 S | Jack Breskovich | Jack Breskovich | 7th |
| 9.2.1958 | Pomona [Ladies] | 164 | 100 S | Barbara Windhorst | Robert Windhorst | DNA |
| 9.2.1958 | Pomona [Production +2.0] | 164 | 100 S | Robert Windhorst | Robert Windhorst | 3rd |
| 9.2.1958 | Pomona [Production +2.0] | 187 | 100 | William Redden | William Redden | 15th |
| 9.2.1958 | Pomona [Production +2.0] | 252 | 100 | James Coffin | James Coffin | DNA |
| 9.2.1958 | Guadalajara [1.5] | | | Joaquin Camerena | | 1st |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 21 | | Pete Harrison | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 21 | | Pete Harrison | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 23 | | Nancy Pierce | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 23 | | Nancy Pierce | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 69 | | Ralph Deshon | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 69 | | Ralph Deshon | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 116 | | Phil Stiles | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 116 | | Phil Stiles | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 127 | | Kenneth Burtin | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 127 | | Kenneth Burtin | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 16.2.1958 | Willow Springs [Main] | | | Carl Grassman | | 5th |
| 16.2.1958 | Willow Springs [Ladies] | | | Doris Brunty | | 1st |
| 16.2.1958 | Willow Springs [Main] | | | Leo Fernandez | | DNF |
| 16.2.1958 | Willow Springs [Production +1.6] | | | Carl Grassman | | 3rd |
| 2.3.1958 | SCCA Regional Phoenix [BP+CP+DP+EP] | 36 | 100 | Edward Stone | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 131 | 100 S-M | Jim Parkinson | | 17th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 131 | 100 S-M | Jim Parkinson | | 12th |
| 8.3.1958 | Novice Mansfield [S+1.6] | 19 | | R. L. Crownrich | | 4th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 03 | | Art Habersin | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 03 | | Art Habersin | | raced |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 11 | | Dave Tallaksen | | 7th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 11 | | Dave Tallaksen | | DNF |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 16 | | Phil Stiles | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 16 | | Phil Stiles | | raced |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 19 | | R. L. Crownrich | | 21st |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 19 | | R. L. Crownrich | | DNF |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 23 | | Nancy Pierce | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 23 | | Nancy Pierce | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 41 | 100 | Ernest Robinson | | raced |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 41 | 100 | Ernest Robinson | | raced |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 44 | | Vince Iacono | | 24th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 44 | | Vince Iacono | | 20th |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 69 | | Ralph Deshon | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 69 | | Ralph Deshon | | raced |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 75 | | Bill Parham | | 13th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 75 | | Bill Parham | | DNS |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 101 | | Robert Shackelford | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 101 | | Robert Shackelford | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 120 | | F. Babcock | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 120 | | F. Babcock | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 125 | | Forrest Dama | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 125 | | Forrest Dama | | raced |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 176 | | Laurence Johnson | | 17th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 176 | | Laurence Johnson | | 19th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 225 | | R. Amburhl | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 225 | | R. Amburhl | | raced |
| 22.3.1958 | 12 h Sebring | 27 | 100-6 MM | Geitner / Stiles / Kunz | Hambro Automotive Corporation | 14th |
| 22.3.1958 | 12 h Sebring | 28 | 100-6 MM | Kinchloe / Moore | Hambro Automotive Corporation | 17th |
| 22.3.1958 | 12 h Sebring | 29 | 100-6 MM | Ehrman / Cuomo | Hambro Automotive Corporation | 23rd |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 48 | 100 S | Prudence Baxter | | - |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 11 | Special | John Armanino | | 1st |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 86 | | Robert Dugan | | 15th |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 106 | 100 S | Bert Smeeden | | 9th |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 122 | | Chuck Parsons | | 16th |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 130 | 100 M | Ronnie Berryman | | 10th |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 130 | 100 M | Ronnie Berryman | | 6th |