| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 15 | | Dick Thompson | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 79 | | Leonard Janke | | 22nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 86 | | Bob Hathaway | | DNA |
| 7.9.1958 | 500 mile Road America | 65 | | Cook / McBride | | 17th |
| 7.9.1958 | 500 mile Road America | 66 | | Ralph Durbin | | 16th |
| 13.9.1958 | Harewood Acres [S+1.5] | | #AHS 3805 | Hugh Sutherland | | 2nd |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 14 | | Ed Pazdur | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 15 | | Jim Bell | | 6th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 15 | | Jim Bell | | 10th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 58 | | Al Niblack | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 65 | | John Cook | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 66 | | Mary Flockton | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 66 | | Ralph Durbin | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 67 | | Harry Chun | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 74 | | Gerald Rollo | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 141 | | Dan Stanfill | | 5th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 141 | | Dan Stanfill | | 5th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 11 | | Dick Thompson | David Herson | 5th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 41 | | Dick Ecklund | Ecurie "PIP" | DNF |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 72 | | John Holmes | John W. Holmes | 21st |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 129 | | Robert C. Davidson | Robert C. Davidson | 7th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 130 | | John Colgate | PFC. John K. Colgate, Jr. | 9th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 132 | | Gerald Rollo | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 143 | | George Bixler | | 22nd |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 186 | | Bob Hathaway | | 16th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 247 | | Fred Spross | Fred H. Spross | DNF |
| 21.9.1958 | LISCA Lime Rock [DP+HM] | 18 | | Glenn Carlson | | ?th |
| 21.9.1958 | LISCA Lime Rock [DP+HM] | 22 | | Bob Thomas | | 1st |
| 21.9.1958 | LISCA Lime Rock [DP+HM] | 147 | | E. O'Brien | | ?th |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | R. L. Crownrich | | ?th |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | R. L. Crownrich | | ?th |
| 28.9.1958 | WJC Charterhall [GT] | 14 | | Jimmy Blumer | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 14 | | Brian McAdam | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 14 | | Jimmy Blumer | J. H. Lawson | DNA |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 46 | | Terry Nilsson | | 15th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 47 | | W. A. Thompson | W. A. Thompson | 5th |
| 28.9.1958 | WJC Charterhall [GT] | 47 | | W. A. Thompson | W. A. Thompson | 1st |
| 28.9.1958 | WJC Charterhall [Racing] | 47 | | W. A. Thompson | W. A. Thompson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 51 | #AHS 3904 | Ted Evans | B. L. Carlaw | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 51 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 52 | | Julian Sutton | J. A. Sutton | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 52 | | Julian Sutton | J. A. Sutton | DNA |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 68 | | Curt Berreman | | 5th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 273 | | James Johnson | | 20th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 277 | | William Moore | | 21st |
| 28.9.1958 | ICNSCC Ellensburg [FP+GP+HP+IP] | 514 | | Ellis Sigmon | | 13th |
| 28.9.1958 | Hourglass Field [DP+EP] | | | Max Gordon | | ?th |
| 4.10.1958 | Preliminary Virginia [Novice] | 18 | | Joe Grant | John Colgate | 3rd |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 10 | | Chuck Parsons | | 7th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 29 | | Robert C. Davidson | | 3rd |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 30 | | Robert Shirey | | 11th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 53 | | Robert O'Brien | | DNF |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 69 | | Don Morrison | Donald Morrison | DNA |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 73 | | Fred Moore | | 7th |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 81 | | John August | | 14th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 85 | | William Kinchloe | | 8th |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 86 | | Bob Hathaway | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 86 | | Brett Morehouse | | 9th |
| 5.10.1958 | BRSCC Brands Hatch [Production] | 88 | | David Shale | David Shale | 1st |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 91 | | John Murray | | 6th |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 101 | | Stan Peterson | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 106 | | Bert Smeeden | | DNF |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 124 | | Ray Cover | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 130 | | Ronnie Berryman | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 133 | | Dick Newhall | | 11th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 171 | | Jim Bell | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 178 | | Wallace Thomas | | 13th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 247 | | Fred Spross | | 4th |
| 5.10.1958 | Coupes du Salon | | | Bob Hudson | | 11th |
| 11.10.1958 | LCCC Oulton Park [Sports] | 11 | | James Forbes Clark | John Forbes Clarke | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 11 | | James Forbes Clark | John Forbes Clarke | DNA |
| 11.10.1958 | 3 h Autosport | 25 | | C. Hanson | Team Triple S | DNA |
| 11.10.1958 | 3 h Autosport | 26 | | Dick Protheroe | D. Protheroe | DNA |
| 11.10.1958 | 1 h Snetterton | 51 | | Jack Sears | J. G. Sears | 2nd |
| 11.10.1958 | 1 h Snetterton | 53 | | I. Palmer | I. Palmer | DNA |
| 11.10.1958 | 1 h Snetterton | 54 | | David Shale | D. Shale | 3rd |
| 11.10.1958 | 1 h Snetterton | 55 | | Bob Hudson | Ecurie Chiltern | 9th |
| 11.10.1958 | LCCC Oulton Park [Sports] | 74 | | D. F. Clarke | D. F. Clarke | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 74 | | D. F. Clarke | D. F. Clarke | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 137 | | Julian Sutton | Julian Sutton | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 137 | | Julian Sutton | Julian Sutton | DNA |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 22 | | Max Gordon | Max Gordon | 25th |
| 12.10.1958 | SCCA Regional Wilmot [CP+DP+EP] | 72 | | Jerry McDermott | | 5th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 74 | | Pierce Venable | Pierce Venable | 22nd |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 99 | | William Dornisch | William Dornisch | DNF |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 163 | #AHS 3709 | Jack Breskovich | Jack Breskovich | 7th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 164 | | Robert Windhorst | Robert Windhorst | 10th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 3 | | Dave Asmuth | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 4 | | Norman Perkins | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 10 | | Dick Ecklund | | 10th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 14 | | John Colgate | | 5th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 51 | | Bud Faust | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 75 | | Norris Crosby | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 86 | | Bob Hathaway | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 129 | | Robert C. Davidson | | 11th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 137 | | Jim Bell | | 9th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 155 | | Murray | | DNF |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 175 | | Glenn Carlson | | 12th |
| 19.10.1958 | SCCA Regional Lime Rock [BP+CP+DP] | 247 | | Fred Spross | | 7th |
| 26.10.1958 | Vineland [DP] | | | | | raced |