| 9.2.1958 | Pomona [S1.5] | 5 | Special | Starbuck / Higman | James Starbuck | DNA |
| 9.2.1958 | Pomona [S1.5] | 15 | Special | Lee Bernhardt | Lee Bernhardt | DNQ |
| 9.2.1958 | Consolation Pomona [Modified] | 15 | Special | Lee Bernhardt | Lee Bernhardt | 14th |
| 9.2.1958 | Pomona [S1.5] | 225 | Special | Robert Snow | Robert Snow | DNA |
| 9.2.1958 | Pomona [S1.5] | 260 | Special | Rico Verrecchia | Rico Verrecchia | 12th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 25 | Special | Fred Gamble | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 25 | Special | Fred Gamble | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 50 | Special | Gene Beach | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 50 | Special | Gene Beach | | DNA |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 28 | Special | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 28 | Special | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 28 | Special | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 32 | Special | Robert Holbrook | | 13th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 32 | Special | Robert Holbrook | | 23rd |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 32 | Special | Robert Holbrook | | 15th |
| 9.3.1958 | SCCA Regional Boca Raton [FP+GP+HP+KP+HM] | 50 | Special | Gene Beach | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 50 | Special | Gene Beach | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 59 | Le Mans | H. Chickering | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [FP+GP+HP+KP+HM] | 59 | Le Mans | H. Chickering | | raced |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 145 | Special | Robin Cooke | | 18th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 28 | Special | Charles Gounis | Charles Gounis | 18th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 260 | Special | Victor Verrecchia | Rico Verrecchia | DNF |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 36 | Special | Bill Speed | | DNF |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 38 | Special | Joe Daniels | | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20A | Special | Walter Sayers | The Hasas | DNF |
| 10.5.1958 | Novice Tracy [Modified] | 145 | Special | Robin Cooke | Robin Cooke | DNA |
| 11.5.1958 | Hawaii [Match] | 17 | Special | Don Miller | Don Miller | DNA |
| 11.5.1958 | Hawaii [S1.6] | 17 | Special | Don Miller | Don Miller | DNF |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 21 | Special | Marshall Swope | John D. Miller | DNA |
| 18.5.1958 | SCCA National Cumberland [GM+HM] | 80 | Special FCA-1 | Walter Martin | Walter F. Martin | DNA |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | Special | | | raced |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 15 | Special | Lee Bernhardt | Lee Bernhardt | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 28 | Special | Morry Stillwell | Mory Stillwell | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 32 | Special | Robert Holbrook | R. K. 'Bob' Holbrook | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 45 | Special | Robin Cooke | Robin Cooke | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 56 | Special | Charles Gounis | Charles Gounis | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 87 | Special | Leon Dufresno | Francis Leukel | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 137 | Special | Willie Freeman | Arch Higman | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 207 | Special | Don Miller | Don Miller | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 225 | Special | Byron Quivey | Robert B. Snow | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 15 | Special | Lee Bernhardt | Lee Bernhardt | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 28 | Special | Morry Stillwell | Mory Stillwell | DNF |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 32 | Special | Robert Holbrook | R. K. 'Bob' Holbrook | 20th |
| 1.6.1958 | Consolation Santa Barbara [Modified] | 32 | Special | Robert Holbrook | R. K. 'Bob' Holbrook | ?th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 45 | Special | Robin Cooke | Robin Cooke | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 56 | Special | Charles Gounis | Charles Gounis | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 87 | Special | Leon Dufresno | Francis Leukel | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 137 | Special | Willie Freeman | Arch Higman | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 207 | Special | Don Miller | Don Miller | 17th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 225 | Special | Robert Snow | Robert B. Snow | DNF |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 75 | | Vince Morency | | DNA |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 95 | | Bob Snider | | DNA |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 106 | Special | | | raced |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 123 | | Herman Emmert | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 35A | Special | Bill Speed | | 8th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 40 | Special | Don Blodgett | | DNA |
| 14.6.1958 | SCCA National Lime Rock [GP+HP+HM] | 37 | Special | Bill Speed | | 12th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 16 | Special | Carl Crowell | Carl Crowel | 34th |
| 28.6.1958 | Preliminary Riverside [Novice] | | | Walter Manzke | | ?th |
| 5.7.1958 | SCCA National Lime Rock [GP+HP+HM] | 3 | Special | Bill Speed | | 14th |
| 5.7.1958 | Novice Vaca Valley [Modified] | 145 | Special | Robin Cooke | Robin Cooke | DNA |
| 20.7.1958 | SCCA Regional Thompson [GM+HM+HP] | 3 | Special | Bill Speed | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 6 | | Bert Chambers | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 54 | Special | Harry Eyerly | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 92 | | Val Gene Power | | DNA |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 145 | Special | Robin Cooke | Robin Cooke | 9th |
| 16.8.1958 | Harewood Acres [Le Mans] | 26 | | Wally Shewchuk | Wally A. Shewchuk | DNA |
| 16.8.1958 | Harewood Acres [SR] | 26 | | Wally Shewchuk | Wally A. Shewchuk | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 28 | Special | Lincoln Kinsman | Lincoln Kinsman | DNA |
| 16.8.1958 | Harewood Acres [SR] | 28 | Special | Lincoln Kinsman | Lincoln Kinsman | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 36 | Special | Ron Evans | Ronald W. Evans | DNA |
| 16.8.1958 | Harewood Acres [SR] | 36 | Special | Ron Evans | Ronald W. Evans | DNA |
| 31.8.1958 | Preliminary Thompson [GP+HP+HM] | 333 | Special | Bill Speed | | 9th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 333 | Special | Bill Speed | | 15th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 15 | Special | Larry Toppel | | DNA |
| 21.9.1958 | Del Mar [Modified] | | Special | John Brophy | | DNA |
| 5.10.1958 | SCCA Regional Thompson [GM+HM] | 3 | Special | Bill Speed | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 21 | Special | Fraser Sibbald | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 145 | Special | Robin Cooke | | DNF |
| 12.10.1958 | Consolation Wilmot [EP+FP+HM] | 4 | | Carl Crowell | | 3rd |
| 12.10.1958 | SCCA Regional Wilmot [GP+HM] | 4 | | Carl Crowell | | 7th |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 37 | Special | Walter Manzke | Walter Manzke | 14th |
| 12.10.1958 | 6 h Venice | 59 | Le Mans | H. Chickering | | ?th |
| 12.10.1958 | 6 h Venice | | Special | Gene Beach | | ?th |
| 19.10.1958 | SCCA Regional Lime Rock [GP+HP+HM] | 36 | Special | Don Blodgett | | 9th |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | 1 | | John Brophy | John Brophy | DNA |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | 120 | Special | Lou Fageol | Lou Fageol | DNA |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | | | Harry Jones | | DNA |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | 1 | | John Brophy | John Brophy | DNS |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 1 | | John Brophy | John Brophy | DNF |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 120 | Special | Lou Fageol | Lou Fageol | DNA |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | 120 | Special | Lou Fageol | Lou Fageol | DNA |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | | | Harry Jones | | DNA |
| 9.11.1958 | SCCA Regional Laguna Seca [GM+HM] | 172 | | King | | 12th |
| 9.11.1958 | SCCA Regional Laguna Seca [GM+HM] | 207 | | Miller | | 17th |
| 22.11.1958 | 6 h Pomona | | Special | Manzke / Bernhardt | | DNF |
| 22.11.1958 | 6 h Pomona | | | Miller | | 18th |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Tholen | | 13th |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Miller | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Manzke | | 15th |