| 9.7.1966 | Martini Trophy Silverstone | 21 | | Irwin / Mac | The Chequered Flag | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 22 | | Nick Granville-Smith | Nick Granville-Smith | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 23 | | Eric Hauser | Eric Hauser | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 37 | | Bondurant / Irwin | The Chequered Flag | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 15 | | Richard Hocking | | DNA |
| 10.7.1966 | SCCA Regional Pyote | | | Rod Lambeth | | 1st |
| 10.7.1966 | SCCA Regional Pyote | | | Ron West | | DNS |
| 10.7.1966 | SCCA Regional Pyote | | | David Dunlap | | 2nd |
| 17.7.1966 | DARM Norisring [GT+1.6] | 42 | | Wolf-Dieter Kniese | Wolf-Dieter Kniese | DNA |
| 17.7.1966 | GP Mugello | 93 | | Olmer Harris | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 6 | | Bob Grossman | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 7 | | Ed Lowther | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 15 | | Mel Wentzel | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 81 | | Sidney Finkel | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 88 | | Harold Keck | | DNA |
| 6.8.1966 | Anerley Trophy Crystal Palace | | | Irwin | The Chequered | DNS |
| 13.8.1966 | National Harewood Acres | | | George Eaton | Comstock | 3rd |
| 20.8.1966 | BARC Oulton Park [Special GT] | 43 | | Eric Hauser | D. Brook | DNS |
| 20.8.1966 | BARC Oulton Park [Special GT] | 44 | | Nick Granville-Smith | Nick Granville-Smith | 4th |
| 28.8.1966 | USRRC Mid-Ohio | 13 | #CSX 3020 | Tom Payne | Tom Payne | DNF |
| 29.8.1966 | Eagle Trophy Brands Hatch | 101 | | Bob Burnard | R. Burnard | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 102 | | Chris Irwin | The Chequered Flag | ?th |
| 29.8.1966 | Eagle Trophy Brands Hatch | 103 | | Roy Pike | The Chequered Flag | raced |
| 29.8.1966 | Eagle Trophy Brands Hatch | 104 | | Eric Hauser | David B. Brook | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 105 | | John Sparrow | J. M. Sparrow | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 106 | | Jack Alderslade | J. B. Alderslade | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 118 | | Nick Granville-Smith | N. Granville-Smith | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | | | Mike Beckwith | | ?th |
| 3.9.1966 | 200 mile Road America | 8 | | Addison / Pickering | John B. Addison | DNA |
| 3.9.1966 | 200 mile Road America | 19 | | Richard Hoffman | Richard Hoffman | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 0 | | Richard Neill | Richard Neill | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 44 | | Henry Hester | Henry Hester | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 91 | | Eric Pohl | Corvette Engineering | DNA |
| 10.9.1966 | PMC Silverstone [SR] | 91 | | Jack Alderslade | J. Alderslade | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 91 | | Jack Alderslade | Jack Alderslade | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 92 | | Bob Burnard | R. Burnard | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 152 | | Alan Russell | A. Russell | raced |
| 11.9.1966 | Can-Am St. Jovite | 13 | #CSX 3020 | Tom Payne | Tom Payne | DNA |
| 11.9.1966 | 500 km Zeltweg | 21 | #CSX 3006 | Bob Bondurant | Chequered Flag | DNF |
| 11.9.1966 | 500 km Zeltweg | 23 | #HEM-6 | John Reaburn | Chequered Flag | DNF |
| 24.9.1966 | Can-Am Mosport | 13 | #CSX 3020 | Tom Payne | Tom Payne | DNA |
| 24.9.1966 | Can-Am Mosport | 93 | | George Eaton | George Eaton | DNQ |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 223 | | Nick Granville-Smith | N. Grainville-Smith | 3rd |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 226 | | Bob Burnard | R. Burnard | 7th |
| 2.10.1966 | Dunes Trophy Zandvoort | 9 | #CSX 2260 | John Sparrow | John Sparrow | raced |
| 8.10.1966 | BARC Silverstone [Special GT] | 87 | | Bob Burnard | R. Burnard | DNA |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 81 | | Brian Muir | Race Proved by Willment | raced |
| 16.10.1966 | SCCA Regional Nelson Ledges [AP+?] | | | Ed Lowther | | 1st |
| 30.10.1966 | Can-Am Riverside | 17 | | Don Peckham | Don Peckham | DNA |
| 27.11.1966 | US Champions Riverside [AP+BP] | 11 | | Ed Lowther | | 1st |
| 27.11.1966 | US Champions Riverside [AP+BP] | 31 | | Jack Hurt | | 14th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 32 | | Gene Cormany | | 3rd |
| 27.11.1966 | US Champions Riverside [AP+BP] | 41 | | Nick Nero | | 4th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 52 | | Rod Lambeth | | 16th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 71 | | Fred Sutherland | | 6th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 72 | | Don Peckham | | 2nd |
| 27.11.1966 | US Champions Riverside [AP+BP] | 73 | | Bob Griffith | | DNF |
| 2.12.1966 | Governor's Trophy & Nassau TT | 6 | #CSX 3022 | Bob Grossman | | 6th |
| 3.12.1966 | Nassau Classic | 6 | #CSX 3022 | Bob Grossman | | 11th |
| 4.12.1966 | Nassau Trophy | 6 | #CSX 3022 | Bob Grossman | | 14th |