| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 164 | | Barbara Windhorst | Robert Windhorst | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 164 | | Robert Windhorst | Robert Windhorst | DNA |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 9 | #AHS 3508 | Bill Friedauer | Bill Friedauer | DNA |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 22 | | Ben Bloemendaal | Ben Bloemendaal | DNS |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 55 | | Roland Berry | Roland Berry | DNA |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 163 | #AHS 3709 | Jack Breskovich | Jack Breskovich | 8th |
| 1.6.1958 | Santa Barbara [Ladies] | 164 | | Barbara Windhorst | Robert Windhorst | DNA |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 164 | | Robert Windhorst | Robert Windhorst | 11th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 50 | #AHS 3603 | Karl Kopplin | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 50 | #AHS 3603 | Karl Kopplin | | ?th |
| 21.6.1958 | ADMC Crimond [Sports] | 17 | | W. A. Thompson | W. A. Thompson | raced |
| 21.6.1958 | ADMC Crimond [S2.7] | 17 | | W. A. Thompson | W. A. Thompson | 3rd |
| 21.6.1958 | ADMC Crimond [Sports] | 19 | #AHS 3904 | Ted Evans | B. L. Carlaw | 3rd |
| 21.6.1958 | ADMC Crimond [S2.7] | 19 | #AHS 3904 | Ted Evans | B. L. Carlaw | 1st |
| 21.6.1958 | ADMC Crimond [Fastest Handicap] | 19 | #AHS 3904 | Ted Evans | B. L. Carlaw | 2nd |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 62 | | Irwin Buxbaum | Irwin Buxbaum | DNA |
| 28.6.1958 | Preliminary Riverside [Ladies] | | | Barbara Windhorst | | 3rd |
| 29.6.1958 | WJC Charterhall [Racing] | 40 | | W. A. Thompson | W. A. Thompson | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 40 | | W. A. Thompson | W. A. Thompson | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 40 | | W. A. Thompson | W. A. Thompson | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 41 | | Brian McAdam | J. H. Lawson | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 41 | | Brian McAdam | J. H. Lawson | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 41 | | Jimmy Blumer | J. H. Lawson | 5th |
| 29.6.1958 | WJC Charterhall [S3.0] | 42 | #AHS 3904 | Ted Evans | B. L. Carlaw | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 42 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 42 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 163 | #AHS 3709 | Jack Breskovich | | 5th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 164 | | Robert Windhorst | | 11th |
| 29.6.1958 | Riverside [Ladies] | | | Barbara Windhorst | | 6th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 45 | | Charles Depper | Charles Depper | 10th |
| 5.7.1958 | LASC Green Acres [S2.7] | 45 | | Charles Depper | Charles Depper | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 45 | | Charles Depper | Charles Depper | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 6 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 34 | | W. A. Thompson | W. A. Thompson | DNF |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 53 | | Jimmy Blumer | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 53 | | Brian McAdam | J. H. Lawson | 6th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | | Brian McAdam | J. H. Lawson | raced |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 53 | | Brian McAdam | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | | Jimmy Blumer | J. H. Lawson | 1st |
| 12.7.1958 | BRSCC Full Sutton [GT] | 60 | | A. G. Kellett | | 5th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 64 | #AHS 3904 | Ted Evans | | 12th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 64 | #AHS 3904 | Ted Evans | | 13th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 67 | | V. G. D. Ropner | | 8th |
| 19.7.1958 | Berwick [Open] | 47 | | Jonathan Wainwright | | raced |
| 27.7.1958 | Snetterton | | | A. G. Kellett | | ?th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 220 | | Jerry Adams | Gerald Adams | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 23 | | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | NSCC Mallory Park [Formula Libre] | 23 | | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 72 | | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 72 | | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 73 | | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 73 | | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 79 | | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 79 | | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | Autosport Brands Hatch [Production] | 112 | | Percy Crabb | Chequered Flag | 4th |
| 16.8.1958 | Harewood Acres [Le Mans] | 93 | | Tracey Wilson | T. Wilson | DNA |
| 16.8.1958 | Harewood Acres [SR] | 93 | | Tracey Wilson | T. Wilson | ?th |
| 16.8.1958 | Harewood Acres [Le Mans] | 127 | | Hugh Sutherland | Ecurie Volante (Canada) | DNA |
| 16.8.1958 | Harewood Acres [CP+DP] | 127 | | Hugh Sutherland | Ecurie Volante (Canada) | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 145 | | Charles Depper | C. R. Depper | DNA |
| 16.8.1958 | Harewood Acres [SR] | 145 | | Charles Depper | C. R. Depper | ?th |
| 17.8.1958 | SCCA National Montgomery [DP+EP] | 7 | | Vin Sardi | | 13th |
| 23.8.1958 | LASC Green Acres [Century Class] | 145 | | Charles Depper | Charles Depper | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 145 | | Charles Depper | Charles Depper | DNA |
| 23.8.1958 | LASC Green Acres [S+2.0] | 145 | | Charles Depper | Charles Depper | DNA |
| 30.8.1958 | Novice Mansfield [S+1.6] | 18 | | Edward Turner | Edward Turner | DNA |
| 30.8.1958 | Novice Mansfield [S+1.6] | 21 | | Rita Wetzel | Suzy Ely | DNA |
| 30.8.1958 | Novice Mansfield [S+1.6] | 33 | | R. L. Crownrich | Maj. R. L. Crownrich | DNA |
| 30.8.1958 | NSCC Silverstone [S2.7] | 49 | | J. Whitehead | Parkin Engineering Ltd. | DNA |
| 30.8.1958 | NSCC Silverstone [S2.7] | 52 | | Dick Protheroe | County Motors | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 52 | | Dick Protheroe | County Motors | DNA |
| 30.8.1958 | Preliminary Santa Barbara [CP+DP] | 164 | | Robert Windhorst | | 3rd |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 4 | | Robin Benson | Robin Benson | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 4 | | Robin Benson | Robin Benson | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 18 | | Edward Turner | Edward Turner | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 18 | | Edward Turner | Edward Turner | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 21 | | Rita Wetzel | Suzy Ely | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 21 | | Rita Wetzel | Suzy Ely | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 33 | | R. L. Crownrich | Maj. R. L. Crownrich | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 33 | | R. L. Crownrich | Maj. R. L. Crownrich | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 61 | | Bob Dougherty | Bob Daugherty | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 61 | | Bob Dougherty | Bob Daugherty | DNA |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 164 | | Robert Windhorst | | 9th |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | | #AHS 3709 | Jack Breskovich | | DNS |
| 13.9.1958 | Harewood Acres [S+1.5] | | #AHS 3805 | Hugh Sutherland | | 2nd |
| 28.9.1958 | WJC Charterhall [Racing] | 14 | | Brian McAdam | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 14 | | Jimmy Blumer | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 14 | | Jimmy Blumer | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 47 | | W. A. Thompson | W. A. Thompson | 5th |
| 28.9.1958 | WJC Charterhall [Racing] | 47 | | W. A. Thompson | W. A. Thompson | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 47 | | W. A. Thompson | W. A. Thompson | 1st |
| 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 |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 178 | | Wallace Thomas | | 13th |
| 5.10.1958 | Coupes du Salon | | | Bob Hudson | | 11th |
| 11.10.1958 | 3 h Autosport | 25 | | C. Hanson | Team Triple S | DNA |