| 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 [Production Handicap] | 33 | | J. I. Grant | J. I. Grant | DNA |
| 21.6.1958 | ADMC Crimond [Sports] | 33 | | J. I. Grant | J. I. Grant | DNF |
| 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 [S+2.6] | 56 | | Ham Leong | Ham S. Leong | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 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 [Sports Handicap] | 72 | | D. Ramsay | G. L. Crozier | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 72 | | Gordon Crozier | 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 |
| 31.8.1958 | Preliminary Mansfield [CM+DM+EM+BP+CP+UR] | 49 | | Lee L. Brown | Lee L. Brown | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 49 | | Lee L. Brown | Lee L. Brown | DNA |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 80 | | James Matthews | | DNF |
| 1.9.1958 | St. Eugene [Formula Libre] | | | Fred Richardson | | 2nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 23 | | Dick Yoder | | 29th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 69 | | Jack Shaver | | DNA |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 74 | | Roy Fleischman | | 26th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 39 | | Ray Kennedy | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 69 | | Jack Shaver | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 88 | | Ken Umpenhour | | DNA |
| 20.9.1958 | Taça Cidade de Luanda | | | Dias Gomes | | raced |
| 21.9.1958 | GP Angola | 2 | | Dias Gomes | | 6th |
| 21.9.1958 | LISCA Lime Rock [CM+BP+CP] | 135 | | Bruce Boyle | | ?th |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Art Evans | | ?th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 37 | | Robin Valentine | R. D. Valentine | raced |
| 28.9.1958 | WJC Charterhall [GT] | 43 | | Norman Scott Wallace | N. J. Scott Wallace | raced |
| 28.9.1958 | WJC Charterhall [S+1.5] | 43 | | Norman Scott Wallace | N. J. Scott Wallace | raced |
| 28.9.1958 | WJC Charterhall [GT] | 63 | | R. T. Fawdington | R. T. Fawdington | ?th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 78 | | A. A. P. Fildes | A. Fildes | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 78 | | A. A. P. Fildes | A. Fildes | raced |
| 28.9.1958 | Hourglass Field [BP+CP] | | | Bill Love | | ?th |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 64 | | William Hendrix | W. L. Hendrix | 6th |
| 5.10.1958 | BRSCC Brands Hatch [Production] | 89 | | John Fredman | H. J. Fredman | DNA |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 100 | | Bruce Cargill | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 105 | | George Heaney | | 10th |
| 11.10.1958 | LCCC Oulton Park [Sports] | 96 | | W. P. Sheppard | W. P. Sheppard | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 96 | | W. P. Sheppard | W. P. Sheppard | DNS |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 137 | | George Duncan | West Coast Racing | 11th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 103 | | Bruce Cargill | | 8th |
| 26.10.1958 | Minden [BP+CP+DP] | 24 | | George Duncan | | 15th |
| 26.10.1958 | Preliminary Dothan [Ladies] | 36 | | Virginia Benton | Virginia Benton | DNA |
| 26.10.1958 | Minden [BP+CP+DP] | 105 | | George Heaney | | 12th |
| 26.10.1958 | Minden [BP+CP+DP] | 214 | | Clarence Seher | | 13th |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 15 | | Dick Wells | Richard Wells | DNA |
| 2.11.1958 | SCCA National Palm Springs [BP+CP+DP] | 15 | | Dick Wells | Richard Wells | 4th |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | 119 | | Dennis Sullivan | Dennis Sullivan | DNA |
| 15.11.1958 | 9 h Johannesburg | 38 | | Gomes / Pinheiro | Africa Motores Ltda. | 14th |
| 16.11.1958 | Preliminary Marlboro [BP+CP+DP+EP] | 100 | | R. Haas | | DNF |
| 23.11.1958 | Pomona [BP+CP+DP+EP] | | | Black | | DNF |
| 30.11.1958 | Phoenix [Production] | | | Dick Wells | | 8th |
| 30.11.1958 | Phoenix [BP+CP+DP+EP] | | | Dick Wells | | ?th |