| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 21 | | Carl Dorr | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 33 | | Lloyd Casner | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 42 | Ace | Shelby / Rose | | DNA |
| 12.1.1958 | SCCA National Miami [CP+DP+EP+GM] | 71 | Ace | Burt DeRieux | | DNA |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 4 | Ace | Richard Eastman | Richard Eastman | 7th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 33 | Ace | William Muse | William Muse | DNF |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 95 | | Cote / Love | Paul Cote | DNA |
| 9.2.1958 | Pomona [Production 2.0] | 4 | Ace | Richard Eastman | Richard Eastman | 7th |
| 9.2.1958 | Pomona [Production 2.0] | 33 | Ace | William Muse | William Muse | 16th |
| 9.2.1958 | Pomona [Production 2.0] | 95 | | Cote / Love | Paul Cote | DNA |
| 9.2.1958 | Guadalajara | | | Lloyd Ruby | | DNA |
| 15.2.1958 | Preliminary New Smyrna Beach [Novice 1] | | | | | raced |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 7 | Ace | Burt DeRieux | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 7 | Ace | Burt DeRieux | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 55 | Ace | Duncan Forlong | | 5th |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 55 | Ace | Duncan Forlong | | 1st |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 57 | | Bill Dunn | | 9th |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 57 | | Bill Dunn | | 4th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 88 | Ace | David Lane | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 88 | Ace | David Lane | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 98 | | Ross Wees | | 2nd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 98 | | Ross Wees | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 139 | | Ed Rahal | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 139 | | Ed Rahal | | raced |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 271 | Ace | Lonnie Rix | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 271 | Ace | Lonnie Rix | | 6th |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | | | Lee | | raced |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | | | | | raced |
| 2.3.1958 | SCCA Regional Phoenix [BP+CP+DP+EP] | 133 | | Jerry Shawver | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 133 | | Jerry Shawver | | 13th |
| 8.3.1958 | Novice Mansfield [S+1.6] | 34 | | J. J. Younger | | 6th |
| 8.3.1958 | Novice Mansfield [S+1.6] | 90 | | Hap Sharp | | 2nd |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 7 | Ace | Bill Steele | | DNF |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 7 | Ace | Bill Steele | | 3rd |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 17 | Ace | Harry Washburn | | 5th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 17 | Ace | Harry Washburn | | 3rd |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 28 | Ace | Ross Wees | | 2nd |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 28 | Ace | Ross Wees | | 1st |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 29 | Ace | Arch Means | | 10th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 29 | Ace | Arch Means | | 5th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 34 | | James Binford | | 7th |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 34 | | James Binford | | 11th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 39 | | Ed Rahal | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 39 | | Ed Rahal | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 55 | | Duncan Furlong | | ?th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 55 | | Duncan Furlong | | 1st |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 57 | | Bill Dunn | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 57 | | Bill Dunn | | raced |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 88 | Ace | David Lane | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 88 | Ace | David Lane | | 5th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 90 | Ace | Bill Fritts | | 4th |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 90 | | Hap Sharp | | 4th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 133 | Ace | Bob Walker | | DNF |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 133 | Ace | Bob Walker | | 14th |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 145 | Ace | J. E. Rose | | 1st |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 145 | Ace | J. E. Rose | | 2nd |
| 9.3.1958 | Preliminary Mansfield [DP+EP+FP] | 201 | | James Kent | | 9th |
| 9.3.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 201 | | James Kent | | DNF |
| 22.3.1958 | 12 h Sebring | 37 | Ace | Milo / McClure / Forlong | A.C. Cars Ltd | 19th |
| 22.3.1958 | 12 h Sebring | 38 | Ace | Love / Jackson-Moore / Crowder | A.C. Cars Ltd | 22nd |
| 22.3.1958 | 12 h Sebring | 39 | Ace | Fuller / Tweedale / Briggs | A.C. Cars Ltd | 16th |
| 22.3.1958 | 12 h Sebring | 72 | Ace | Stear / Norris / Harris | A.C. Cars Ltd | 15th |
| 22.3.1958 | 12 h Sebring | 73 | Ace | Casner / Jordan / Campbell | A.C. Cars Ltd | DNS |
| 23.3.1958 | Preliminary Stockton [Novice Production +1.6] | 17 | | John Luce | | 3rd |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 17 | | Bob Winkelmann | | 1st |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 49 | Ace | Ian Smith | I. H. S. Smith | 5th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 49 | Ace | Ian Smith | Ian Smith | 7th |
| 29.3.1958 | BARC Mallory Park [Handicap A] | | Aceca | Ron Brightman | Ron Brightman | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Main] | 18 | | Clausling | | 3rd |
| 30.3.1958 | SCC-BC Abbotsford [Modified +1.5] | 251 | Ace | Jim Parsons | | 3rd |
| 30.3.1958 | SCC-BC Abbotsford [Main] | 251 | Ace | Jim Parsons | | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Race 2] | 251 | Ace | Jim Parsons | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [PS] | 47 | Aceca | Älan Stross | A. Stross | 5th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 59 | Ace | Ian Smith | Team Triples | 1st |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 59 | Ace | Ian Smith | | 8th |
| 7.4.1958 | National Brands Hatch [Production] | 109 | Ace | Herbert Jones | H. R. Jones | 4th |
| 7.4.1958 | 3 h Pau [GT2.0] | | | Sunlay | | ?th |
| 7.4.1958 | 3 h Pau [GT2.0] | | | Houel | | DNF |
| 7.4.1958 | 3 h Pau [GT2.0] | | Ace | Ted Whiteaway | | 6th |
| 12.4.1958 | British Empire Trophy | 45 | Ace | Mike Anthony | Rudd Racing | DNA |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 17 | | Jim Fouch | Jim Fouch | 12th |
| 13.4.1958 | Preliminary Palm Springs [Ladies+FIII] | 38 | Ace | Linda Scott | Wm. Donnenfelzer | 4th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 38 | Ace | Bill Love | William Dannenflzer | 4th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 47 | | Bill Klingensmith | Bill Klingensmith | 6th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 48 | Ace | Gordon Crowder | Gordon Crowder | 7th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 195 | Ace | Paul Cote | Paul Cote | DNF |
| 13.4.1958 | Preliminary Palm Springs [Ladies+FIII] | 195 | Ace | Cathy Michl | Paul Cote | DQ |
| 20.4.1958 | Preliminary Galveston [BP+CP+DP+EP] | 7 | Ace | Bill Steele | | 4th |
| 20.4.1958 | SCCA National Marlboro [BM+CM+DM+EM+FM] | 18 | | Chuck Sarle | | 10th |
| 20.4.1958 | Preliminary Galveston [BP+CP+DP+EP] | 27 | Ace | Harry Washburn | | 5th |
| 20.4.1958 | Marlboro [Handicap 1st Heat] | 77 | | Graham Shaw | | 7th |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 77 | | Graham Shaw | | 5th |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 139 | | Fred Fuller | | DNF |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 142 | Ace | Anthony Zuckert | | 11th |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 175 | Ace | Ed Welch | | 3rd |
| 20.4.1958 | SCCA National Marlboro [EP+GM] | 246 | Ace | Jordan King | | 8th |
| 20.4.1958 | Preliminary Galveston [BP+CP+DP+EP] | | Ace | Louis Heuss | | 6th |