| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 17 | | Dick Thompson | | 6th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 29 | | Robert C. Davidson | | 15th |
| 5.7.1958 | LASC Green Acres [S2.7] | 34 | | John Bishop | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 36 | | Michael Sangster | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 41 | | Stan Ward | Stanley Ward | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 45 | | Charles Depper | Charles Depper | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 67 | | Marcel Dupont | Marcel Dupont | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 67 | | Marcel Dupont | Marcel Dupont | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 72 | | John Holmes | | 10th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 73 | | Fred Moore | | 7th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 86 | | Bob Hathaway | | 12th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 112 | | John Colgate | | 9th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 127 | | Gus Ehrman | | 8th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 145 | | Bob Thomas | | DNF |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 247 | | Fred Spross | | DNF |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 6 | | Chuck Parsons | | 8th |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNF |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 35 | | Julian Sutton | J. Sutton | 5th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 35 | | Julian Sutton | J. Sutton | ?th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | | Jimmy Blumer | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | | Brian McAdam | J. H. Lawson | raced |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 53 | | Jimmy Blumer | J. H. Lawson | 1st |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 53 | | Jim Hughes | Bob O'Brien | 12th |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 53 | | Brian McAdam | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 53 | | Brian McAdam | J. H. Lawson | 6th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 85 | | William Kinchloe | W. P. Kincheloe | 7th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 96 | | Brett Morehouse | Brett Morehouse | 18th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 130 | | Ronnie Berryman | Ron Berryman | 11th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 133 | | Dick Newhall | Dick Newhall | 15th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 178 | | Wallace Thomas | Gale Rocks | 17th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 54 | | I. Banks | | 12th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 60 | | A. G. Kellett | | 5th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 64 | #AHS 3904 | Ted Evans | | 13th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 64 | #AHS 3904 | Ted Evans | | 12th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 67 | | V. G. D. Ropner | | 8th |
| 12.7.1958 | Preliminary Traverse City [Novice +1.5] | | | Mike Stellingworth | | 2nd |
| 13.7.1958 | Traverse City [DP+EP+Veloce] | | | Ralph Durbin | | 1st |
| 13.7.1958 | Traverse City [Main] | | | Ralph Durbin | | raced |
| 19.7.1958 | Berwick [Open] | 47 | | Jonathan Wainwright | | raced |
| 19.7.1958 | Berwick [DP+EP] | 90 | | Bud Faust | | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Century Class] | | | Dave Hennessey | Dave Hennessey | 2nd |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | Dick Ecklund | Ecurie Pip | ?th |
| 19.7.1958 | BEMC Harewood Acres [Century Class] | | | Stan Ward | Stanley Ward | 3rd |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 2 | | Robert Shirey | | raced |
| 20.7.1958 | SCCA Regional Thompson [Production] | 2 | | Robert Shirey | | raced |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 14 | | Vin Sardi | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 65 | | Norris Crosby | | 5th |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 99 | | Robert C. Davidson | | raced |
| 20.7.1958 | SCCA Regional Thompson [Production] | 99 | | Robert C. Davidson | | raced |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 114 | | Jim Bell | | raced |
| 27.7.1958 | Snetterton | | | A. G. Kellett | | ?th |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 22 | | Patrick Obert | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 32 | | Joan Goodridge | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S+1.5] | 32 | | Joan Goodridge | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 53 | | Robert O'Brien | Robert C. O'Brien | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 53 | | Robert O'Brien | Robert O'Brien | 17th |
| 3.8.1958 | SCCA Regional Shelton [S+1.5] | 60 | | John Nissen | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 66 | | John Nissen | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 73 | | James Johnson | | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 85 | | Al Brizard | Wm. Kincheloe | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 86 | | Brett Morehouse | Brett Morehouse | 12th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 86 | | Brett Morehouse | Brett Morehouse | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 118 | | Tom Pillette | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 133 | | Dick Newhall | Richard G. Newhall | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 133 | | Dick Newhall | Richard G. Newhall | 14th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 178 | | Wallace Thomas | Wallace E. Thomas | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 178 | | Wallace Thomas | Wallace E. Thomas | 15th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 206 | | Chuck Parsons | Charles W. Parsons | ?th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 206 | | Chuck Parsons | Charles W. Parsons | 11th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 210 | | Dick Chance | Richard V. Chance | 16th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 220 | | Jerry Adams | Gerald Adams | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 221 | | Donald Pontes | H. D. Pontes | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 227 | | Gordon Burgess | Gordon A. Burgess | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 408 | | T. A. Rees | | DNA |
| 3.8.1958 | Preliminary Minden [Ladies+FIII+MG+Novice] | | | Prudence Baxter | | 3rd |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 23 | | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | NSCC Mallory Park [Formula Libre] | 23 | | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 69 | | W. A. Bemrose | W. A. W. Bemrose | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 69 | | W. A. Bemrose | W. A. W. Bemrose | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 72 | | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 72 | | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 73 | | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 73 | | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 79 | | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 79 | | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | Autosport Brands Hatch [Production] | 112 | | Percy Crabb | Chequered Flag | 4th |
| 16.8.1958 | Harewood Acres [Le Mans] | 10 | | Dick Uckland | Ecurie Pip | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 14 | | Mackenzie deB. Strathy | Mackenzie deB. Strathy | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 23 | | Bill Cunningham | William Cunningham | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 40 | | Dave Hennessey | C. D. Hennessey | DNA |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 66 | | Ralph Durbin | | 10th |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 72 | | Jerry McDermott | | DNF |
| 16.8.1958 | Harewood Acres [Le Mans] | 93 | | Tracey Wilson | T. Wilson | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 97 | | John Cook | J. Cook | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 127 | | Hugh Sutherland | Ecurie Volante (Canada) | DNA |