| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 37 | TR3 | Fred Quartullo | Fred Quartullo | 10th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 90 | TR3 | Vince Tamburo | Vincent Tamburo | 12th |
| 21.9.1958 | LISCA Lime Rock [EP] | 76 | TR2 | F. Cardinale | | 2nd |
| 21.9.1958 | Tour de France | 155 | TR3 | Soisbault / "Cancre" | | 14th |
| 21.9.1958 | LISCA Lime Rock [EP] | 156 | TR3 A | Warren Jacobs | | 1st |
| 21.9.1958 | LISCA Lime Rock [EP] | 216 | TR3 | David Harries | | 3rd |
| 21.9.1958 | GP Angola | | | Robert Darville | | raced |
| 21.9.1958 | GP Angola | | | Spinetti | | 8th |
| 21.9.1958 | GP Angola | | | de Doncquers | | 11th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Roy Hopkins | | ?th |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | TR3 | R. W. Kastner | | 5th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | TR3 | Howard Smith | | ?th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Frances Jo Moritz | | ?th |
| 27.9.1958 | Consolation Gardena | | TR2 | Bill St. James | | 1st |
| 27.9.1958 | Preliminary Gardena [Novice] | | TR2 | Dick Beck | | 1st |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 7 | Special | Mike Balfe | | 10th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 10 | TR3 | Jack Murray | | 12th |
| 28.9.1958 | WJC Charterhall [GT] | 41 | TR3 | David Bertram | D. M. Bertram | ?th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 41 | TR3 | David Bertram | D. M. Bertram | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 42 | TR3 | Guy Wilson | T. G. F. Wilson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 65 | TR3 | H. Thompson | H. Thompson | DNA |
| 28.9.1958 | WJC Charterhall [GT] | 65 | TR3 | H. Thompson | H. Thompson | DNA |
| 28.9.1958 | WJC Charterhall [S+1.5] | 74 | TR3 | J. McDonald | J. McDonald | DNA |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 77 | Special | Gordon McMillan | | 8th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 133 | TR3 | Tony Sheridan | | 13th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 174 | TR3 | Stanley Voeller | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 474 | TR3 | Bob Michael | | 18th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 544 | TR3 | Jim Reckers | | 16th |
| 28.9.1958 | Hourglass Field [BM+CM+DM+EM] | | Special | Cee. Duncan | | 9th |
| 4.10.1958 | Preliminary Virginia [Novice] | | TR3 | Harold Whims | | DNF |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 17 | TR3 | Marco McClintock | | 19th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 21 | TR3 | David Harries | | 8th |
| 5.10.1958 | BRSCC Brands Hatch [Production] | 83 | TR3 | Sid Hurrell | Sid Hurrell | 3rd |
| 5.10.1958 | BRSCC Brands Hatch [Production] | 84 | TR3 | A. Oxborrow | A. Oxborrow | DNA |
| 5.10.1958 | BRSCC Brands Hatch [Production] | 85 | TR2 | Roy North | Roy North | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 111 | TR3 | Bob Cole | | 14th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 112 | TR3 | Frank Crane | | DNF |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 117 | TR3 | Kenneth Sagan | | 9th |
| 5.10.1958 | SCCA Regional Thompson [DP+EP] | 119 | TR3 | Steve McClellan | | 7th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 121 | TR3 | Scott Zarbaugh | | DNF |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 171 | TR3 | Ray Stoutenburg | | 13th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 174 | TR3 | Al Freudenberg | | 19th |
| 5.10.1958 | Coupes du Salon | | TR3 | René Froidevaux | | 14th |
| 5.10.1958 | Coupes du Salon | | TR3 | J. L. Becker | | 13th |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 10 | TR3 | Klaas Twisk | M. G. Wilshin | DNA |
| 11.10.1958 | 3 h Autosport | 19 | TR3 | Sid Hurrell | S. A. Hurrell | raced |
| 11.10.1958 | 3 h Autosport | 20 | TR2 | I. L. Taylor | L. Taylor | DNA |
| 11.10.1958 | 1 h Snetterton | 44 | TR3 | H. C. Walldorff | H. G. Walldorff | DNF |
| 11.10.1958 | 1 h Snetterton | 45 | TR2 | Roy North | R. F. North | 4th |
| 11.10.1958 | 1 h Snetterton | 48 | TR3 | Merton Lucia | M. Lucia | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 50 | TR3 | Bill de Selincourt | Bill de Selincourt | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 50 | TR3 | Bill de Selincourt | Bill de Selincourt | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 50 | TR3 | Bill de Selincourt | Bill de Selincourt | 2nd |
| 11.10.1958 | 1 h Snetterton | 50 | TR3 | L. J. Coe | L. J. Coe | 6th |
| 11.10.1958 | LCCC Oulton Park [Sports] | 53 | TR3 | Bob Grant | Robert Grant | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 53 | TR3 | Bob Grant | Robert Grant | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 68 | TR3 | Reg Harris | Reg Harris | raced |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 72 | TR2 | James Bracegirdle | A. D. Bracegirdle | 6th |
| 11.10.1958 | LCCC Oulton Park [Sports] | 75 | | W. A. Taylor | W. A. Taylor | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 93 | TR2 | Peter Morpeth | Peter Morpeth | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 103 | TR3 | Geoff Breakell | Geoff Breakell | 4th |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 126 | TR2 | Marcus Barlow | Marcus Barlow | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 126 | TR2 | Marcus Barlow | Marcus Barlow | raced |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | | | | raced |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | | | | raced |
| 12.10.1958 | SCCA Regional Wilmot [EP] | 6 | TR3 | Pete Ledwith | | 1st |
| 12.10.1958 | SCCA Regional Wilmot [EP] | 12 | TR3 | Owen Coon | | 4th |
| 12.10.1958 | Consolation Wilmot [EP+FP+HM] | 12 | TR3 | Owen Coon | | 7th |
| 12.10.1958 | SCCA Regional Wilmot [EP] | 47 | TR3 | Johnny Walker | | 6th |
| 12.10.1958 | 6 h Venice | 47 | | Gallant | | raced |
| 12.10.1958 | Consolation Wilmot [EP+FP+HM] | 47A | TR3 | Johnny Walker | | 5th |
| 12.10.1958 | 6 h Venice | 78 | | Harry Johnstone | | ?th |
| 12.10.1958 | SCCA Regional Wilmot [EP] | 95 | TR3 | Glenn Branstad | | 7th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 165 | TR3 | R. W. Kastner | R. W. Kastner | DNF |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 220 | TR2 | Robert B. Ross | David Boyce | DNF |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 246 | | Tom Anderson | Tom Anderson | DNF |
| 12.10.1958 | 6 h Venice | | TR3 | Romer / Lupka | | ?th |
| 12.10.1958 | 6 h Venice | | TR3 | Kadey / Fry | | ?th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 67 | TR3 | Ted Fielder | | 11th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 79 | TR3 | L. Keenan | | 13th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 88 | TR3 | Albert Ackerly | | 10th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 125 | TR3 | David Harries | | 7th |
| 19.10.1958 | SCCA Regional Lime Rock [EP] | 471 | TR3 | Ken Fagan | | 8th |
| 26.10.1958 | Vineland [EP] | 59 | TR3 | | | raced |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 65 | | Fred Gam | Fred Gam | DNA |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 66 | TR3 | Smokey Drolet | Jarrard | 2nd |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 70 | TR3 | Thomas Craven | T. T. Craven | DNA |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 71 | TR3 | Mills / Stewert / Northcutt | Jere Mills | DNA |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | 88 | TR3 | Swain / Brewer | Robert Swain | DNA |
| 26.10.1958 | Vineland [EP] | | TR3 | | | raced |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 1.11.1958 | Preliminary Palm Springs [Novice+Sedan] | 14 | TR3 | Harvey Diemer | Harvey Diemer | ?th |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 14 | TR3 | Harvey Diemer | Harvey Diemer | DNA |
| 1.11.1958 | Preliminary Regional Oklahoma [Novice 2000] | | TR3 | Dave Ostrem | | 2nd |
| 1.11.1958 | Preliminary Regional Oklahoma [Novice 2000] | | TR3 | Bill Wood | | 3rd |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 14 | TR3 | Harvey Diemer | Harvey Diemer | DQ |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | | Roy Hopkins | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 2.0] | | TR3 | Dave Scott | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 2.0] | | TR3 | Dave Ostrem | | ?th |