| 1.6.1958 | Santa Barbara [MG] | 00 | | Loyal Davies | Loyal Davies | DNS |
| 1.6.1958 | Santa Barbara [MG] | 1 | | John Free | A. M. Walker | DNA |
| 1.6.1958 | Santa Barbara [MG] | 4 | | Mark Sanders | Mark Sanders | DNA |
| 1.6.1958 | Santa Barbara [MG] | 25 | | Jim Chaffee | Jim Chaffee | DNA |
| 1.6.1958 | Santa Barbara [Ladies] | 25 | | Dot Chaffee | Jim Chaffee | DNA |
| 1.6.1958 | Santa Barbara [MG] | 62 | | John Lumkin | John Lumkin | 3rd |
| 1.6.1958 | Santa Barbara [MG] | 67 | | Elliot Forbes-Robinson | Ken Swanson | 2nd |
| 1.6.1958 | Santa Barbara [MG] | 79 | | Vernon Stephan | Vernon Stephan | DNA |
| 1.6.1958 | Santa Barbara [MG] | 89 | | Ray Pickering | Ray Pickering | 1st |
| 1.6.1958 | Santa Barbara [MG] | 93 | | Charley Monte | Charley Monte | DNA |
| 1.6.1958 | Santa Barbara [MG] | 98 | | Richard Quint | Richard Quint | DNA |
| 1.6.1958 | Santa Barbara [MG] | 105 | | Ron O'Dell | Ronald O'Dell | DNA |
| 1.6.1958 | Santa Barbara [MG] | 123 | | Robert Allen | Robert Wm. Allen | DNA |
| 1.6.1958 | Santa Barbara [MG] | 128 | | Robert Scurlock | Robert Scurlock | DNA |
| 1.6.1958 | Santa Barbara [MG] | 150 | | Robert Parker | Robert Parker | DNA |
| 1.6.1958 | Santa Barbara [MG] | 168 | | George Schillreff | George Schillreff | DNA |
| 1.6.1958 | Santa Barbara [MG] | 215 | | Harold Greenberg | Harold Greenberg | DNA |
| 1.6.1958 | Santa Barbara [MG] | 220 | | Dave Hetzler | Rick Kohler | DNA |
| 1.6.1958 | Santa Barbara [MG] | 269 | | George Demetras | George Demetras | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 15 | | Bud Pell | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 15 | | Terry Edmeston | Terry Edmeston | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 15 | | Terry Edmeston | Terry Edmeston | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 20 | | Roland Payne | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 26 | | Denise Woolley | Miss Denise Woolley | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 30 | | | | raced |
| 7.6.1958 | Put-In-Bay [FP] | 53 | | Robert Wheaton | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 61 | | | | raced |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 64 | | Bob Dack | Bob Dack | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 69 | | Hank Handley | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 76 | | Clement Mendham | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 79 | | Howard Johnson | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 85 | | J. Carefoot | J. Carefoot | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 85 | | J. Carefoot | R. J. Carefoot | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 85 | | J. Carefoot | J. Carefoot | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 85 | | Del Lance | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 88 | | Barnie Burnett | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 90 | | Robert Floeck | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 93 | | Bill Malion | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 93 | | Tommy Entwistle | Tom Entwistle | 2nd |
| 7.6.1958 | Put-In-Bay [FP] | 97 | | Phil Forsyth | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 104 | | Dudley Deimel | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 121 | | Homer Dasey | | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 142 | | Doreen Harris | Mrs. Doreen Harris | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 1 | | Otto Klein | | 4th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 1 | | Otto Klein | | 5th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 6 | | George Schaab | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 13 | | C. William Allen | | 6th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 13 | | C. William Allen | | 5th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 24 | | James Stevens | | 10th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 49 | | Tom Gerber | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 53 | | Dick Malone | | 7th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 56 | | John Hunter | | DNF |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 59 | | Allan Crawford | | raced |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 60 | | Harold Krech | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 69 | | Dan Donoghue | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 80 | | Don Urian | | 5th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 86 | | Kerr / Stores | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 90 | | Alan Dillenberg | | 9th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 101 | | Bob Jones | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 127 | | Dennis Miller | | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 177 | | Ron Letellier | | 6th |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | Doug Wilcocks | R. Butler | DNA |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | J. A. P. Trafford | J. A. P. Trafford | DNA |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | Chris Tooley | C. P. Tooley | DNA |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | Mike Bond | Ecurie Chiltern | DNA |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 4] | | | Bob Nation | | ?th |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | D. J. Hayles | Ecurie Chiltern | 5th |
| 8.6.1958 | Autosport Brands Hatch [PS1.6] | | | Ken MacKenzie | K. W. MacKenzie | 4th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 4] | | | Louis Heuss | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | | Louis Heuss | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | | James Binford | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | | Bob Nation | | ?th |
| 14.6.1958 | Preliminary Lime Rock [GT] | 90 | | Alan Dillenberg | | 14th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 6 | | Sherman Decker | | 3rd |
| 15.6.1958 | SCCA National Lime Rock [FP] | 18 | | Dan Donoghue | | 8th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 27 | | Don Miller | | 7th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 51 | | James Stevens | | 9th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 78 | | George Schaab | | 10th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 81 | | John Jordan | | 25th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 90 | | Alan Dillenberg | | 11th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 114 | | Huntley Perry | | 13th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 157 | | George Schillreff | | 19th |
| 15.6.1958 | Preliminary Laguna Seca [HM+Production I] | 157 | | George Schillreff | | 3rd |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 158 | | Dennis Riley | | 10th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 180 | | Don Urian | | 6th |
| 15.6.1958 | Preliminary Laguna Seca [HM+Production I] | | | Ed Leslie | | 2nd |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 5 | | Grant Crenshaw | Grant Crenshaw | 19th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 27 | | Peter Hall | Peter Hall | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 55 | | Roger Simonetti | Roger Simonetti | 14th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 73 | | Ron Letellier | | 11th |
| 26.6.1958 | Preliminary Watkins Glen [Ladies] | 20 | | Joyce Botkin | Robert F. Botkin | 8th |
| 26.6.1958 | Preliminary Watkins Glen [Ladies] | 212 | | Laura Dasey | Homer Daisey | 7th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 5 | | Henry Van Deusen | Henry Van Deusen | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 20 | | Robert Botkin | Robert F. Botkin | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 26 | | Fred Reynolds | Fred Reynolds | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 38 | | Sherman Decker | Sherman L. Decker | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 42 | | Monty Allen | Monty Allen | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 51 | | Ronald Ference | Ronald F. Ference | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 56 | | Jack Paveling | Jack Paveling | 14th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 80 | | Dennis Miller | | 16th |