| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 333 | | John Simmons | | DNA |
| 12.1.1958 | Preliminary Miami [CP+DP+EP+GM] | 333 | | John Simmons | | DNA |
| 8.2.1958 | Preliminary Pomona [Production +2.7] | 17 | | Bob Harris | Bob Harris | 7th |
| 8.2.1958 | Preliminary Pomona [Production +2.7] | 37 | | Mel Robles | Mell Robles | 8th |
| 8.2.1958 | Preliminary Pomona [Production +2.7] | 173 | | Barney Rushing | Barney Rushing | DNF |
| 9.2.1958 | Pomona [Production +2.0] | 17 | | Bob Harris | Bob Harris | 9th |
| 9.2.1958 | Pomona [Production +2.0] | 37 | | Mel Robles | Mell Robles | 11th |
| 9.2.1958 | Pomona [Production +2.0] | 173 | | Barney Rushing | Barney Rushing | DNF |
| 1.3.1958 | Preliminary Phoenix [Novice] | 8 | | Dick Wells | | 7th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 8 | | Dick Wells | | 21st |
| 2.3.1958 | SCCA Regional Phoenix [BP+CP+DP+EP] | 8 | | Dick Wells | | 4th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 8 | | Dick Wells | | 7th |
| 2.3.1958 | SCCA Regional Phoenix [BP+CP+DP+EP] | 52 | | Hap Richardson | | DNF |
| 16.3.1958 | Lago de Guadalupe | | | Manuel Cortez | | raced |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 2 | | Frank Morrill | | 5th |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 69 | | Robert Beale | | 27th |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 105 | | George Heaney | | 8th |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 154 | | Al Jamieson | | 24th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 46 | | Peter Sargent | Peter Sargent | 4th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 47 | | John Fredman | H. J. Fredman | 7th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 51 | | D. Chippindale | D. Chippindale | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 1 | | Kenneth MacDonald | | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20C | | Ham Leong | The Hasas | DNF |
| 10.5.1958 | Novice Tracy [Production +1.6] | 50 | | Al Jamieson | Al Jamieson | ?th |
| 10.5.1958 | Novice Tracy [Production +1.6] | 69 | | Robert Beale | Robert Beale, Jr. | ?th |
| 10.5.1958 | Novice Tracy [Production +1.6] | 146 | | Dave Ridenour | David W. Ridenour | 4th |
| 18.5.1958 | SCCA National Cumberland [BP+CP] | 88 | | James Ryan | James S. Ryan | DNA |
| 26.5.1958 | NSCC Mallory Park [S+1.5] | 51 | | Peter Sargent | P. J. Sargent | DNA |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 51 | | Peter Sargent | P. J. Sargent | DNA |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 2 | | Robert Holloway | | 9th |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 81 | | E. Spain | | DNF |
| 31.5.1958 | SCCA National Bridgehampton [BP+CP+UR+FIII] | 88 | | James Ryan | | 7th |
| 31.5.1958 | SCCA National Bridgehampton [BP+CP+UR+FIII] | 91 | | Bob Grossman | | DNF |
| 1.6.1958 | SCCA Regional Dunkirk [CM+DM+EM+CP] | 2 | | Robert Holloway | | 8th |
| 1.6.1958 | GP Dunkirk | 2 | | Robert Holloway | | 23rd |
| 1.6.1958 | SCCA Regional Dunkirk [CM+DM+EM+CP] | 50 | | William Milliken | | 7th |
| 1.6.1958 | GP Dunkirk | 50 | | William Milliken | | DNF |
| 1.6.1958 | SCCA Regional La Junta [BM+CM+DM+EM+BP+CP+DP] | 108 | | Bob Ryerson | | 9th |
| 1.6.1958 | La Junta [Ladies] | | | Barbara Ryerson | | DNF |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 8 | | Phillip Gelfo | | 5th |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 22 | | George Magee | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 49 | | William Hendrix | | 2nd |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 88 | | James Ryan | | DNA |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 105 | | George Heaney | | 15th |
| 21.6.1958 | ADMC Crimond [Sports] | 33 | | J. I. Grant | J. I. Grant | DNF |
| 21.6.1958 | ADMC Crimond [Production Handicap] | 33 | | J. I. Grant | J. I. Grant | DNA |
| 21.6.1958 | ADMC Crimond [Sports] | 35 | | | G. L. Crozier | raced |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 9 | | Roy Fleishmann | | 21st |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 7 | | Slako Bilinski | | 10th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 25 | | Kenneth MacDonald | | DNF |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 45 | | Andrew Nicholas | | 5th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 65 | | William Milliken | | 11th |
| 27.6.1958 | SCCA Regional Watkins Glen [BP+CP] | 108 | | Bruce Cargill | | 7th |
| 29.6.1958 | St. Eugene [Formula Libre] | | | Fred Richardson | | 2nd |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 1 | | Robert Beale | Robert Beale, Jr. | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 56 | | Ham Leong | Ham S. Leong | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 56 | | Ham Leong | Ham S. Leong | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 146 | | Dave Ridenour | Dave Ridenour | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 26 | | R. T. Fawdington | R. T. Fawdington | raced |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 72 | | Gordon Crozier | G. L. Crozier | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 72 | | D. Ramsay | G. L. Crozier | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 146 | | Dave Ridenour | Dave Ridenour | DNA |
| 20.7.1958 | SCCA Regional Thompson [BP+CP] | 20 | | Bruce Cargill | | raced |
| 20.7.1958 | SCCA Regional Thompson [GT] | 41 | | Roly Heacox | | 9th |
| 26.7.1958 | MCMC Oulton Park [Closed] | 98 | | J. M. Bramall | Bramall | 2nd |
| 26.7.1958 | MCMC Oulton Park [Formula Libre] | 98 | | J. M. Bramall | Bramall | raced |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 1 | | Robert Beale | Robert Beale, Jr. | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 105 | | George Heaney | George Heaney | 9th |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 52 | | Peter Sargent | P. J. Sargent | 3rd |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 52 | | Peter Sargent | P. J. Sargent | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 88 | | Ken Umpenhour | Astrid Umpenhour | DNA |
| 16.8.1958 | Harewood Acres [CP+DP] | 88 | | Ken Umpenhour | Astrid Umpenhour | ?th |
| 30.8.1958 | Novice Mansfield [S+1.6] | 49 | | Lee L. Brown | Lee L. Brown | DNA |
| 1958 | Preliminary Plains Premiere [BP+CP+DP+EP] | | | Dick Wells | | ?th |