| 1.6.1958 | GP Dunkirk | 7 | | Robert Rippel | | 15th |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 53 | | Peter Atkinson | | 14th |
| 1.6.1958 | GP Dunkirk | 55 | | Robert Samm | | DNF |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 68 | | D. Cosgrove | | DNF |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 101 | | Pierre Mion | | 8th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 151 | | Charles Heindl | | 14th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 157 | | Harry Buckley | | 13th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 777 | | Fred Vorhees | | 24th |
| 1.6.1958 | La Junta [Ladies] | | | Susan Voorhees | | DNS |
| 7.6.1958 | Put-In-Bay [FM+EP] | 73 | | F. Reed Andrews | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 88 | | Klaas Twisk | M. G. Wilshin | DNA |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | | George Parker | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BP+CP+DP+EP] | 24 | | Ed Real | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BP+CP+DP+EP] | 24 | | Ed Real | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BP+CP+DP+EP] | 52 | | Owen Coon | | ?th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 83 | | Ray Johnson | | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [BP+CP+DP+EP] | 95 | | Glenn Branstad | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 8] | | | George Parker | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 2 | | Don Burrows | | DNF |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 53 | | Peter Atkinson | | 12th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 58 | | Bud Morris | | 20th |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 59 | | Harold Hurtley | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 112 | | Bob Cole | | 8th |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 151 | | Charles Heindl | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 171 | | Richard Anderson | | 24th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 174 | | Al Freudenberg | | 23rd |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 184 | | Rod Carveth | | DNF |
| 15.6.1958 | Preliminary Laguna Seca [Production II] | 184 | | Rod Carveth | | 10th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 192 | | William Phelon | | 27th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | Pecquer | | 9th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | Legrand | | 12th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 12 | | Owen Coon | | 17th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 43 | | James G. Willner, Jr. | James G. Willner, Jr. | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 63 | | John Tidswell | | 16th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 63 | | John Tidswell | John H. Tidswell | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 69 | | Don Marando | Don Marando | 20th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 88 | | Donald Lightner | | 19th |
| 26.6.1958 | Preliminary Watkins Glen [Ladies] | 55 | | Barbara Samm | Robert Samm | 4th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 55 | | Robert Samm | Robert Samm | 8th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 68 | | Richard Cosgrove | Richard Cosgrove | 5th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 165 | | David Adams | David L. Adams | 11th |
| 29.6.1958 | WJC Charterhall [S+1.5] | 33 | | David Bertram | D. Bertram | raced |
| 29.6.1958 | St. Eugene [S+1.6] | | | Jim Duncan | | ?th |
| 29.6.1958 | St. Eugene [S+1.6] | | | Ray Liddle | | ?th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 2 | | Don Burrows | Don Burrows | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 4 | | Jim Duncan | Jim Duncan | 5th |
| 5.7.1958 | LASC Green Acres [S2.7] | 4 | | Jim Duncan | Jim Duncan | 3rd |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 4 | | Jim Duncan | Jim Duncan | 1st |
| 5.7.1958 | LASC Green Acres [Trophy] | 4 | | Jim Duncan | Jim Duncan | 4th |
| 5.7.1958 | LASC Green Acres [S2.7] | 13 | | Reg Hillary | Reginald Hillary | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 13 | | Reg Hillary | Reginald Hillary | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 13 | | Reg Hillary | Reginald Hillary | 14th |
| 5.7.1958 | LASC Green Acres [S2.7] | 19 | | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 19 | | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 19 | | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [Trophy] | 22 | | Harold Lazier | Harold Lazier | 13th |
| 5.7.1958 | LASC Green Acres [Century Class] | 22 | | Harold Lazier | Harold Lazier | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 22 | | Harold Lazier | Harold Lazier | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 33 | | John Reif | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 33 | | John Reif | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | SCCA National Lime Rock [EP] | 37 | | Fred Quartullo | | 6th |
| 5.7.1958 | LASC Green Acres [Century Class] | 54 | | Alan Robson | Alan Robson | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 59 | | Butch Owsley | Butch Owsley | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 65 | | Ray Liddle | | 2nd |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 71 | | Dwight Case | Dwight Case | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 77 | | Bob Gallagher | Robert Gallagher | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 77 | | Bob Gallagher | Robert Gallagher | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 87 | | Bill Higgins | | 5th |
| 5.7.1958 | LASC Green Acres [S2.7] | 89 | | John Bowles | | 6th |
| 5.7.1958 | LASC Green Acres [Trophy] | 89 | | John Bowles | | 8th |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 112 | | Frank Crane | Frank Crane | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 121 | | Scott Zarbaugh | Scott Zarbaugh | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 143 | | Vi Jones | Vincent Jones | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 154 | | Rod Carveth | Rod Carveth | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 162 | | Arthur Olinger | C. J. Felt, Jr. | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 174 | | Al Freudenberg | Al Freudenberg | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 192 | | William Phelon | William Phelon | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 192 | | William Phelon | William Phelon | DNA |
| 5.7.1958 | Novice Hammond [S+1.6] | | | M. Johnstone | | 2nd |
| 5.7.1958 | SCCA National Lime Rock [EP] | | | Harold Hurtley | | DNS |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 2 | | Don Burrows | Don Burrows | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 4 | | David Bertram | D. M. Bertram | 3rd |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 4 | | David Bertram | D. M. Bertram | 7th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 104 | | Earl Grafton | Earl Grafton | 16th |
| 6.7.1958 | SCCA Regional Vaca Valley [CM+DM+EM] | 111 | | Bob Cole | Rusty Hyde | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 112 | | Bob Cole | | 9th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 121 | | Scott Zarbaugh | Scott Zarbaugh | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 154 | | Rod Carveth | Rod Carveth | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 174 | | Al Freudenberg | Al Freudenberg | 14th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 192 | | William Phelon | William Phelon | DNA |
| 6.7.1958 | Hawaii [Main] | | | Walter Vail | | 7th |
| 6.7.1958 | Hawaii [Novice] | | | Norman Dellaport | | 2nd |
| 6.7.1958 | Hawaii [Main] | | | Norman Dellaport | | 8th |
| 6.7.1958 | Hammond [DP+EP+FP] | | | M. Johnstone | | 3rd |
| 6.7.1958 | Hawaii [S+1.6 Heat 2] | | | Norman Dellaport | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [GT] | 59 | | Sid Larvin | | 6th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 62 | | N. C. F. Taylor | | ?th |
| 12.7.1958 | Preliminary Traverse City [Novice +1.5] | | | Doug Crawford | | 3rd |
| 13.7.1958 | Traverse City [small cars] | | | Jim Nordley | | 3rd |
| 13.7.1958 | LISCA Lime Rock [EP] | | | Warren Jacobs | | 2nd |