| 22.3.1958 | 12 h Sebring | | | Fred Sclavi | Sclavi, Inc. | DNA |
| 7.4.1958 | National Brands Hatch [S1.1] | 45 | | Godfrey Lambert | Godfrey Lambert | raced |
| 7.4.1958 | National Brands Hatch [S1.1] | 46 | | Don Rickman | Don Rickman | 2nd |
| 20.4.1958 | BRSCC Brands Hatch [S1.1] | | | Tony Hegbourne | | 1st |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 55 | | Fred Sclavi | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 55 | | Fred Sclavi | | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 11 | | Tony Hegbourne | Tony Hegbourne | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 11 | | Tony Hegbourne | Tony Hegbourne | raced |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 91 | | Val Gardner | Val Gardner | 5th |
| 7.6.1958 | LCCC Oulton Park [1172F/750F] | 91 | | Val Gardner | Val Gardner | 1st |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 29 | | Charles Cox | Charles Cox | 18th |
| 29.6.1958 | BARC Mallory Park [S1.1] | | | Tony Hegbourne | | 5th |
| 6.7.1958 | SCCA Regional Minneapolis [Modified 1.6] | | | Charles Cox | | 1st |
| 26.7.1958 | MCMC Oulton Park [S1.5] | 45 | | Tony Hegbourne | Tony Hegbourne | 3rd |
| 26.7.1958 | MCMC Oulton Park [S1.35] | 45 | | Tony Hegbourne | Tony Hegbourne | 4th |
| 26.7.1958 | MCMC Oulton Park [Sports] | 45 | | Tony Hegbourne | Tony Hegbourne | 3rd |
| 4.8.1958 | NSCC Mallory Park [S1.5] | 47 | | Averil Scott-Moncrieff | Mrs. A. Scott-Moncrieff | DNA |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 29 | | Charles Cox | | 19th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 55 | | Fred Sclavi | | DNF |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 14 | | Godfrey Lambert | G. K. Lambert | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 14 | | Godfrey Lambert | G. K. Lambert | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 27 | | Brian Spicer | B. P. Spicer | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 27 | | Brian Spicer | B. P. Spicer | DNA |
| 30.8.1958 | Preliminary Santa Barbara [EM+FM] | 49 | | Bob Drake | | 1st |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 49 | | Bob Drake | | 4th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 31 | | Averil Scott-Moncrieff | Mrs. Avril Scott Moncreiff | 19th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 32 | | Godfrey Lambert | Godfrey Lambert | DNF |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 33 | | M. Kaye | Jim Russell School | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 34 | | G. Smith | J. Russell School | 14th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 35 | | R. York | Jim Russell School | 15th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 37 | | Brian Spicer | B. Spicer | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 8 | | Tony Hegbourne | Tony Hegbourne | DNS |
| 11.10.1958 | LCCC Oulton Park [Sports] | 8 | | Tony Hegbourne | Tony Hegbourne | DNS |
| 11.10.1958 | LCCC Oulton Park [S1.5] | 8 | | Tony Hegbourne | Tony Hegbourne | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 8 | | Tony Hegbourne | Tony Hegbourne | 6th |
| 11.10.1958 | LCCC Oulton Park [1172F/750F] | 94 | | Val Gardner | Val Gardner | 3rd |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 94 | | Val Gardner | Val Gardner | DNA |
| 12.10.1958 | USAC Riverside | 49 | | Bob Drake | Top Equipment Co. | 10th |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 27 | | Harry Banta | | DNF |
| 26.10.1958 | Minden [S1.5] | 27 | | Harry Banta | | 3rd |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | | | Harry Banta | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | John Haggerty | | DNF |
| 26.12.1958 | BRSCC Brands Hatch [S1.1 Junior] | 36 | | Brian Spicer | B. P. Spicer | 6th |