| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 43 | Bolide | Ed Rahal | | DNA |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 43 | Bolide | Ed Rahal | | DNA |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 12 | | Elmer Grimsgaard | Elmer Grimsgaard | 13th |
| 9.2.1958 | Pomona [Production 2.0] | 12 | | Elmer Grimsgaard | Elmer Grimsgaard | 19th |
| 9.2.1958 | Pomona [Ladies] | 12 | | Ginny Sims | Elmer Grimsgaard | 5th |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 39 | Bolide | Ed Rahal | | raced |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 39 | Bolide | Ed Rahal | | DNF |
| 16.2.1958 | Willow Springs [Main] | | | Dan Aitkin | | DNA |
| 16.2.1958 | Willow Springs [Production +1.6] | | | Haywood Brown | | 2nd |
| 16.2.1958 | Willow Springs [Main] | | | Haywood Brown | | 3rd |
| 22.3.1958 | 12 h Sebring | 40 | Bolide | Goldman / Durbin / Arnolt | S. H. Arnolt | 35th |
| 30.3.1958 | Willow Springs [Production +1.6] | 13 | Bolide | Carl Grassman | Manhattan Motors | DNA |
| 30.3.1958 | Willow Springs [Main] | 13 | Bolide | Carl Grassman | Manhattan Motors | DNA |
| 30.3.1958 | Willow Springs [Production +1.6] | 39 | | Haywood Brown | Haywood Brown | DNA |
| 30.3.1958 | Willow Springs [Main] | 39 | | Haywood Brown | Haywood Brown | 3rd |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 18 | | Elmer Grimsgaard | | DNF |
| 20.4.1958 | SCCA Regional Galveston [BP+CP+DP+EP] | 72 | Bolide | Carroll Smith | | 6th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 10 | Bolide | Hal Stetson | | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 162 | | Bob Potter | Robert C. Potter | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 162 | | Nathaniel Cockran | Nathaniel Cockran | DNA |
| 10.5.1958 | Novice Tracy [Modified] | 162 | | Nathaniel Cockran | Nathaniel Cockran | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group C] | 162 | | Bob Potter | Robert Potter | 10th |
| 25.5.1958 | Hourglass Field [Main] | | Bolide | Carl Grassman | Manhattan Motors | 3rd |
| 25.5.1958 | Hourglass Field [Main] | | | Haywood Brown | | 5th |
| 25.5.1958 | Hourglass Field [Production +1.6] | | | Haywood Brown | | 2nd |
| 25.5.1958 | Hourglass Field [Production +1.6] | | Bolide | Carl Grassman | Manhattan Motors | 1st |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 250 | | Snow / Evans | Jay Chamberlain | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 67 | | Ed McBryde | | 5th |
| 1.6.1958 | GP Dunkirk | 67 | | Ed McBryde | | DNF |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 250 | | Elmer Grimsgaard | | 17th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 250 | | Charles Evans | Jay Chamberlain | DNA |
| 7.6.1958 | Put-In-Bay [FM+EP] | 87 | | William Hutchinson | | DNA |
| 7.6.1958 | Put-In-Bay [FM+EP] | 167 | | | | raced |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 34 | Bolide | Hal Stetson | | DNA |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 34 | Bolide | Hal Stetson | | 10th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 162 | | Bob Potter | | 9th |
| 5.7.1958 | SCCA National Lime Rock [EP] | 34 | Bolide | Hal Stetson | | 5th |
| 13.7.1958 | Traverse City [BP+CP+Bristol] | | | Ed McBryde | | ?th |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 34 | Bolide | Hal Stetson | | 3rd |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 56 | | Olga Leser | | raced |
| 23.8.1958 | LASC Green Acres [S2.0] | 37 | | Ken Babcock | Ken Babcock | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 37 | | Ken Babcock | Ken Babcock | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 167 | | Ed McBryde | Ed. McBryde | DNA |
| 23.8.1958 | LASC Green Acres [S2.0] | 167 | | Ed McBryde | Ed. McBryde | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 167 | | Ed McBryde | Ed. McBryde | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 34 | Bolide | Hal Stetson | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 34 | Bolide | Hal Stetson | | DNF |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 9 | | Bob Liess | | DNF |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 67 | | Ed McBryde | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 42 | | Ken Babcock | | DNA |
| 27.9.1958 | Gardena [Main] | | | Haywood Brown | | DNA |
| 27.9.1958 | Gardena [Main] | | | Carl Greenaway | | DNA |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 8 | | Walter Abbott | | 17th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 66 | | Scott Gerrish | | 13th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 145 | | Scott Gerrish | | 9th |
| 26.10.1958 | Vineland [EP] | | | | | raced |
| 2.11.1958 | Palm Springs [Exhibition] | | Bolide | Carl Grassman | Manhattan Motors | 6th |
| 9.11.1958 | SCCA Regional Laguna Seca [EP] | | | John Shonle | | raced |