| 11.4.1966 | BRSCC Mallory Park [Formula Libre] | 12 | | John Nicholson | J. Nicholson | DNA |
| 11.4.1966 | BRSCC Mallory Park [SR] | 12 | | John Nicholson | J. Nicholson | ?th |
| 11.4.1966 | BRSCC Mallory Park [SR] | 103 | | Ben Moore | B. A. Moore | raced |
| 11.4.1966 | BRSCC Mallory Park [SR] | 110 | | Alan Fowler | A. Fowler | raced |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 130 | | Ken Crook | Lewis Nunn Racing | ?th |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 130 | | Ken Crook | Lewis Nunn Racing | 4th |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 131 | | Ben Moore | Ben Moore | ?th |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | | | Peter Dickinson | Peter Dickinson | raced |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 16 | | Richard Knight | R. Knight | DNE |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 37 | | John Nicholson | A. McCracken | 3rd |
| 17.4.1966 | SCCA National Fernandina Beach [GM+HM+DP+EP] | | | George Avant | | 2nd |
| 17.4.1966 | SCCA National Fernandina Beach [GM+HM+DP+EP] | | | Wick Williams | | 1st |
| 17.4.1966 | SCCA National Stuttgart [Main] | | | Robert Shaw | | 8th |
| 17.4.1966 | SCCA National Vineland [CSR+DSR+ESR+FSR] | | | George Alderman | | 6th |
| 24.4.1966 | SM Knutstorp [SP2.0] | 0? | | Gunnar Carlsson | Stockholms BK | 3rd |
| 24.4.1966 | SM Knutstorp [SP2.0] | 5 | | Gustaf Dieden | Karlsgoga MK | 4th |
| 24.4.1966 | SM Knutstorp [SP2.0] | 8 | | Sven Edvin Asberg | | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 9 | | Göte-Ingvar Johansson | Hyllinge MS | DNF |
| 24.4.1966 | USRRC Las Vegas | 16 | #23-S-82 | George Follmer | George Follmer | 7th |
| 24.4.1966 | USRRC Las Vegas | 36 | | Pierre Phillips | Pierres Motors | DNA |
| 24.4.1966 | USRRC Las Vegas | 42 | | Candido DaMota | Candido Da Mota | DNS |
| 24.4.1966 | USRRC Las Vegas | 46 | | John Morton | | 10th |
| 24.4.1966 | SCCA Regional Shelton [Main] | | | Tony Boothby | | DNS |
| 24.4.1966 | SCCA Regional Shelton [Main] | | | Dick Schmidt | | 3rd |
| 25.4.1966 | Zandvoort [Formula Libre] | 2 | | Ron Deinum | | 1st |
| 25.4.1966 | 1000 km Monza | 42 | | Perrot / Knecht | Squadra Tartaruga | DNA |
| 30.4.1966 | Tourist Trophy | 18 | | Tommy Weber | Vegantune Engineering | 5th |
| 30.4.1966 | Tourist Trophy | 20 | | Mike Garton | Vegantune Engineering | 12th |
| 1.5.1966 | SM Skarpnäck [SP2.0] | 4 | | Gunnar Carlsson | | DNA |
| 1.5.1966 | SM Skarpnäck [SP2.0] | 5 | | Sven Carrhage | MS Stockholm | 5th |
| 1.5.1966 | SM Skarpnäck [SP2.0] | 9 | | Gustaf Dieden | Karlsgoga MK | 4th |
| 1.5.1966 | SM Skarpnäck [SP2.0] | 10 | | Göte-Ingvar Johansson | Hyllinge MS | DNF |
| 1.5.1966 | USRRC Riverside | 16 | #23-S-82 | George Follmer | | 8th |
| 1.5.1966 | USRRC Riverside | 23 | | Doug Revson | | DNF |
| 1.5.1966 | USRRC Riverside | 46 | | John Morton | | 9th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 54 | #23-S-28 | Joel Nelson | Joel Nelson | 12th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 121 | | George Avent | | 11th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 122 | | Wick Williams | | 8th |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | Pierre Phillips | | unused |
| 1.5.1966 | Magny-Cours | | | Mike Knight | | 1st |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | Eric Anderson | | 1st |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | Dick Schmidt | | 2nd |
| 1.5.1966 | USRRC Riverside | | | Charles Kulmann | | 15th |
| 1.5.1966 | USRRC Riverside | | | Nick Dioguardi | | DNF |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 4 | | Bill Stewart | | DNA |
| 7.5.1966 | BARC Oulton Park [Sports/Clubman] | 5 | #23-S-120 | Tony Beeson | A. W. Beeson | DNA |
| 7.5.1966 | BARC Oulton Park [Sports/Clubman] | 6 | | Frank Greenwood | F. Greenwood | DNA |
| 7.5.1966 | BARC Oulton Park [Sports/Clubman] | 10 | | Ben Moore | B. A. Moore | DNS |
| 7.5.1966 | BARC Oulton Park [Sports/Clubman] | 11 | | Ken Crook | Ken Crook | 3rd |
| 8.5.1966 | USRRC Laguna Seca | 4 | | | | DNS |
| 8.5.1966 | Velodromloppet [SP2.0] | 5 | | Gustaf Dieden | | DNA |
| 8.5.1966 | Velodromloppet [SP2.0] | 6 | | Sven Carrhage | MS Stockholm | 4th |
| 8.5.1966 | USRRC Laguna Seca | 14 | | Dave Ridenour | | 10th |
| 8.5.1966 | USRRC Laguna Seca | 16 | #23-S-82 | George Follmer | | 6th |
| 8.5.1966 | USRRC Laguna Seca | 23 | | Doug Revson | | 9th |
| 8.5.1966 | USRRC Laguna Seca | 33A | | Pierre Phillips | | DNF |
| 8.5.1966 | SMRC Ingliston [S/Special GT1.2] | 37 | | John Nicholson | J. Nicholson | DNA |
| 8.5.1966 | USRRC Laguna Seca | 41 | | Dick Schmidt | | 12th |
| 8.5.1966 | USRRC Laguna Seca | 69 | | Eric Anderson | | DNA |
| 14.5.1966 | Silverstone International | 1 | | Vic Wilson | Vegantune Engineering | DNF |
| 15.5.1966 | GP Paris [SP] | | | Vincent Palmaro | | 6th |
| 15.5.1966 | GP Paris [SP] | | | Mike Knight | | 5th |
| 16.5.1966 | Player's Pacific Westwood | 1 | | George Chapman | | 7th |
| 16.5.1966 | Player's Pacific Westwood | 3 | | Pierre Phillipe | | DNF |
| 16.5.1966 | Player's Pacific Westwood | 4 | | Harold Brown | | 4th |
| 16.5.1966 | Player's Pacific Westwood | 14 | | Dave Ridenour | | 10th |
| 16.5.1966 | Player's Pacific Westwood | 23 | | Tony Boothby | | DNF |
| 16.5.1966 | Player's Pacific Westwood | 26 | | John Stuhldreier | | 12th |
| 16.5.1966 | Player's Pacific Westwood | 34 | | Max Beimler | | DNF |
| 16.5.1966 | Player's Pacific Westwood | 69 | | Eric Anderson | | 9th |
| 16.5.1966 | Player's Pacific Westwood | 411 | | Dick Schmidt | | 16th |
| 22.5.1966 | Stockholmsloppet [SP2.0] | 4 | | Sven Carrhage | | DNA |
| 22.5.1966 | Stockholmsloppet [SP2.0] | 5 | | Göte-Ingvar Johansson | | 4th |
| 22.5.1966 | 1000 km Spa | 14 | | Weber / Cabral | | DNA |
| 22.5.1966 | USRRC Bridgehampton | 23 | | Doug Revson | | 18th |
| 22.5.1966 | USRRC Bridgehampton | 46 | | John Morton | | 8th |
| 22.5.1966 | SCCA Regional Watkins Glen [SR] | | | Phil Seitz | | 1st |
| 22.5.1966 | SM Monza | | | Xavier Perrot | | 4th |
| 22.5.1966 | SM Monza | | | Bruno Frey | | 3rd |
| 28.5.1966 | SCCA National Courtland | 22 | | | | raced |
| 28.5.1966 | AMOC Silverstone [S1.6] | 48 | | Brian Field | B. Field | DNA |
| 28.5.1966 | AMOC Silverstone [S1.6] | 50 | | Peter Dickinson | P. R. Dickinson | DNA |
| 28.5.1966 | SCCA National Courtland | | | | | raced |
| 28.5.1966 | SA SCC Kyalami SAF | | | Keith Berrington-Smith | | 1st |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 172 | | Phil Seitz | Phil Seitz | 15th |
| 30.5.1966 | NSCC Silverstone [SR] | 45 | | Peter Dickinson | P. R. Dickinson | raced |
| 30.5.1966 | NSCC Silverstone [SR] | 46 | | Frank Greenwood | Frank Greenwood | raced |
| 30.5.1966 | Anerley Trophy Crystal Palace | 89 | | Tommy Weber | Team Vegantune | 3rd |
| 30.5.1966 | Anerley Trophy Crystal Palace | 90 | | Mike Garton | Team Vegantune | raced |
| 30.5.1966 | Anerley Trophy Crystal Palace | 91 | | Brian Field | B. L. Field | DNS |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 125 | | A. W. Besson | A. W. Besson | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 127 | | Ray Reader | R. E. A. Reader | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 128 | | Jack Paterson | Race Proved by Willment | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 129 | | Ken Crook | K. Crook | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 130 | | Jim Morley | J. F. Morley | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 131 | | Peter Gaydon | P. R. H. Gaydon | DNA |
| 30.5.1966 | National Zandvoort [Formula Libre] | | | Ron Deinum | | 1st |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 107 | | Frank Greenwood | Frank Greenwood | 5th |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 108 | | Peter Dickinson | Peter Dickinson | DNA |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 137 | | Ken Crook | Ken Crook | DNF |