| 27.2.1966 | SCCA National Phoenix [CM+DM+EM+FM+GM+AP] | | | Jack Hinkle | | 1st |
| 26.3.1966 | Croft [S2.0] | | | Brian Redman | | 1st |
| 3.4.1966 | ICNSCC Westwood [Modified] | | | John Randall | | DNF |
| 3.4.1966 | SCCA National Tucson [CM+DM+EM+FM+GM] | | | Jack Hinkle | | 1st |
| 11.4.1966 | Lavant Cup Goodwood | 145 | #SC-1-66 | Tony Dean | Race Proved by Willment | 2nd |
| 11.4.1966 | Lavant Cup Goodwood | 147 | | Chris Irwin | C. L. Lacey | DNA |
| 11.4.1966 | Lavant Cup Goodwood | 148 | #SC-6-64 | Geoff Breakell | G. Breakell | 5th |
| 11.4.1966 | Lavant Cup Goodwood | 149 | #SC-3-64 | Jeremy Delmar-Morgan | J. H. Delmar-Morgan | DNA |
| 11.4.1966 | Lavant Cup Goodwood | 150 | #SC-2-64 | Max Wilson | R. M. Wilson | raced |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 129 | | Tony Dean | Tony Dean | DNS |
| 17.4.1966 | ICNSCC Kent [Trophy] | | | John Randall | | 2nd |
| 17.4.1966 | SCCA National Vineland [CSR+DSR+ESR+FSR] | | #SC-2-65 | Skip Barber | | 2nd |
| 17.4.1966 | ICNSCC Kent [Modified] | | | John Randall | | 1st |
| 30.4.1966 | Tourist Trophy | 14 | #SC-1-66 | Dean | Race Proved by Willment | 2nd |
| 30.4.1966 | Tourist Trophy | 58 | #SC-6-64 | Geoff Breakell | G. H. Breakell | 4th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 76 | #SC-2-65 | Skip Barber | | 2nd |
| 14.5.1966 | Silverstone International | 2 | #SC-3-64 | Jeremy Delmar-Morgan | Radbourne Racing | DNA |
| 14.5.1966 | Silverstone International | 4 | #SC-1-66 | Tony Dean | Race Proved by Willment | 9th |
| 14.5.1966 | Silverstone International | 5 | #SC-6-64 | Geoff Breakell | G. H. Breakell | DNF |
| 16.5.1966 | Player's Pacific Westwood | | | John Randall | | DNS |
| 22.5.1966 | USRRC Bridgehampton | 18 | #SC-2-65 | Skip Barber | | 7th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 18 | #SC-2-65 | Skip Barber | Autolab Imp. | 3rd |
| 30.5.1966 | Anerley Trophy Crystal Palace | 94 | #SC-4-64 | Clive Lacey | C. L. Lacey | 5th |
| 30.5.1966 | Anerley Trophy Crystal Palace | 95 | #SC-6-64 | Geoff Breakell | G. H. Breakell | 6th |
| 30.5.1966 | Anerley Trophy Crystal Palace | 98 | #SC-2-64 | Max Wilson | R. M. Wilson | 4th |
| 30.5.1966 | Anerley Trophy Crystal Palace | 101 | #SC-3-64 | Jeremy Delmar-Morgan | J. Delmar-Morgan | raced |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 120 | #SC-1-66 | Tony Dean | Race Proved by Willment | DNA |
| 4.6.1966 | Player's 200 Mosport | 18 | #SC-2-65 | Skip Barber | - | DNA |
| 12.6.1966 | SCCA Mid-America [CM+DM+EM+FM+GM+AP+BP+CP+DP+EP] | | | Jack Hinkle | | ?th |
| 26.6.1966 | GP Watkins Glen | 48 | #SC-2-65 | Skip Barber | | 12th |
| 3.7.1966 | SCCA National Ponca City [Modified+AP+BP] | 61 | | Jack Hinkle | | 2nd |
| 9.7.1966 | Martini Trophy Silverstone | 4 | #SC-1-66 | Tony Dean | Race Proved by Willment | DNA |
| 9.7.1966 | Martini Trophy Silverstone [GT+S2.0] | | #SC-2-64 | Max Wilson | | 4th |
| 9.7.1966 | Martini Trophy Silverstone [GT+S2.0] | | #SC-6-64 | Geoff Breakell | | 3rd |
| 16.7.1966 | GP Brands Hatch | 35 | #SC-4-64 | Clive Lacey | C. L. Lacey | ?th |
| 16.7.1966 | GP Brands Hatch | 36 | #SC-6-64 | Geoff Breakell | G. H. Breakell | ?th |
| 16.7.1966 | GP Brands Hatch | 37 | #SC-1-66 | Tony Dean | Race Proved by Willment | 9th |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 71 | #SC-2-64 | Max Wilson | Max Wilson | 4th |
| 23.7.1966 | BRSCC Oulton Park [Formula Libre] | 71 | #SC-2-64 | Max Wilson | Max Wilson | 3rd |
| 23.7.1966 | BRSCC Oulton Park [Formula Libre] | 74 | #SC-6-64 | Geoff Breakell | Geoff Breakell | DNS |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 74 | #SC-6-64 | Geoff Breakell | Geoff Breakell | DNS |
| 30.7.1966 | LCCC Oulton Park [Formula Libre] | 106 | | Brian Redman | J. Bridges | DNA |
| 6.8.1966 | Norbury Trophy Crystal Palace | | #SC-1-66 | Tony Dean | Race Proved by Willment | 3rd |
| 14.8.1966 | Wills Trophy Croft | 24 | #SC-1-66 | Tony Dean | Race Proved by Willment | 3rd |
| 14.8.1966 | Wills Trophy Croft | 25 | #SC-6-64 | Geoff Breakell | G. H. Breakell | 9th |
| 14.8.1966 | Wills Trophy Croft | 26 | #SC-3-64 | Jeremy Delmar-Morgan | JEM Developments | DNF |
| 20.8.1966 | H&DLLC Castle Combe [Sports] | 23 | #SC-6-64 | Geoff Breakell | Geoff Breakell | 3rd |
| 20.8.1966 | H&DLLC Castle Combe [Formula Libre] | 74 | #SC-2-64 | Max Wilson | R. M. Wilson | DNA |
| 20.8.1966 | H&DLLC Castle Combe [Sports] | 74 | #SC-2-64 | Max Wilson | R. M. Wilson | 1st |
| 29.8.1966 | Guards Trophy Brands Hatch | 34 | #SC-2-64 | Max Wilson | R. M. Wilson | 8th |
| 29.8.1966 | Guards Trophy Brands Hatch | 35 | #SC-6-64 | Geoff Breakell | G. H. Breakell | 15th |
| 29.8.1966 | Guards Trophy Brands Hatch | 36 | #SC-1-66 | Tony Dean | "Race Proved by Willment" | DNF |
| 29.8.1966 | Guards Trophy Brands Hatch | 42 | #SC-3-64 | Jeremy Delmar-Morgan | Jem (Developments) Ltd. | DNF |
| 10.9.1966 | PMC Silverstone [SR] | 106 | #SC-4-64 | Clive Lacey | C. L. Lacey | raced |
| 24.9.1966 | Can-Am Mosport | 48 | #SC-2-65 | Skip Barber | | DNQ |
| 2.10.1966 | SMRC Ingliston [S/Special GT+1.2] | 29 | #SC-6-64 | Geoff Breakell | G. H. Breakell | 1st |
| 2.10.1966 | Guards Trophy Brands Hatch [S+2.5/GT+2.5] | | #SC-2-64 | Max Wilson | | 2nd |
| 2.10.1966 | Westwood | | | John Randall | | raced |
| 9.10.1966 | NSCC Mallory Park [SR] | 118 | #SC-1-66 | Tony Dean | Tony Dean | DNA |
| 16.10.1966 | Can-Am Laguna Seca | 9 | #SC-7-64 | Tom Tobin | Dr. Thomas Tobin | DNA |
| 30.10.1966 | Can-Am Riverside | 67 | #SC-7-64 | Tom Tobin | Thomas M. Tobin | DNA |
| 13.11.1966 | Can-Am Las Vegas | 67 | #SC-7-64 | Tom Tobin | Cut n' Jump Ski Corp. | DNF |