| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 3 | | John Heyer | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 4 | Mk VI | Paul Kneeland | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 5 | Mk II | David Furgason | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 9 | Mk VII | Ed Hessert | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 14 | Mk VIII | Bob Nagel | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 23 | Mk IV | Jerry Faught | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 24 | Mk VII | George Alderman | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 27 | Mk VIII | Fred Ashplant | | 1st |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 32 | | Antony Prevedello | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 37 | Mk V | Jacobson / Bruner | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 52 | Mk VII S | Ed Bowman | | 4th |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 56 | Mk VII | Gene Hobbs | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | 72 | Mk VIII S | Kaback / Aaskov | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 87 | | Ralph Wood | | DNA |
| 3.4.1966 | SCCA National Marlboro [CSR+DSR+ESR+FSR+GSR+HSR] | | Mk IV | Dave Roethel | | ?th |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | | | Ken Hazlett | | 7th |
| 9.4.1966 | 6 h South Africa | | Mk VII | Gous / Botha | | DNF |
| 10.4.1966 | GP Singapore | 98 | Mk VII | Rodney Seow | Rodney Seow | 2nd |
| 11.4.1966 | BRSCC Mallory Park [SR] | 102 | Mk VI | Joe Payne | J. I. Payne | raced |
| 11.4.1966 | Lavant Cup Goodwood | 142 | Mk VIII | Richard Wrottesley | Elva Cars (1961) Ltd. | DNA |
| 11.4.1966 | Lavant Cup Goodwood | 153 | Mk VII | Malcolm Wayne | M. Wayne | DNA |
| 11.4.1966 | Lavant Cup Goodwood | 169 | | David Prophet | D. Prophet | DNA |
| 11.4.1966 | BRSCC Mallory Park [SR] | | Mk VII | Malcolm Wayne | | raced |
| 11.4.1966 | SA SCC Roy Hesketh | | Mk VII | Luki Botha | | 3rd |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 126 | Mk VII S | Paul Linton | Paul Linton | DNA |
| 17.4.1966 | SCCA National Vineland [CSR+DSR+ESR+FSR] | 27 | Mk VIII | Fred Ashplant | | 3rd |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 40 | GT160 | Frank Jones | F. M. Jones | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 44 | Mk VII | Richard Scott | R. Scott | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 7 | | Sven Carrhage | MS Stockholm | 5th |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 25 | | A. H. McGahan | D. Plumstead | DNA |
| 24.4.1966 | USRRC Las Vegas | 58 | Mk VII S | Jerry Titus | | DNS |
| 24.4.1966 | USRRC Las Vegas | 87 | | Ralph Wood | Ralph Wood | DNA |
| 24.4.1966 | BARC Brands Hatch [Marque] | 142 | Courier | Tony Flory | R. S. Skilbeck | 3rd |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 143 | Courier | Rod Longton | R. H. Longton | raced |
| 24.4.1966 | BARC Brands Hatch [Marque] | 143 | Courier | Rod Longton | R. H. Longton | DNA |
| 24.4.1966 | SCCA Regional Shelton [Main] | | | Gary Long | | 5th |
| 25.4.1966 | 1000 km Monza | 44 | Mk VII | Schlup / Wyssbrod | Ecurie Biennoise | DNA |
| 30.4.1966 | Tourist Trophy | 54 | Mk VII | Malcolm Wayne | Malcolm Wayne | DNF |
| 30.4.1966 | DARM Trier [S+1.3] | | Mk II | Scott Fawcett | | NC |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 1 | Mk IV | Dave Roethel | | DNA |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 4 | Mk VIII | Bob Nagel | | 3rd |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 18 | Mk VII | Gordon Heald | | DNF |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 19 | | John Dennis | | 10th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 21 | Mk VIII | George Ralph | | 4th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 36 | | Warren Shamlian | | DNA |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 56 | Mk VII | Gene Hobbs | | 7th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 71 | Mk VII | Bob Gardner | | 5th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 77 | | Peter Lake | | DNA |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 77 | | Peter Lake | | DNF |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 98 | Mk III | Dick Grime | | 13th |
| 1.5.1966 | SCCA National Virginia [CSR+DSR+ESR+FSR+GSR] | 911 | Mk VII | Ed Hessert | | DNA |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | George Miller | | DNA |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | Gary Long | | 6th |
| 7.5.1966 | BARC Oulton Park [Handicap] | 4 | Mk VII S | Peter Roberts | Peter Roberts | DNA |
| 7.5.1966 | BARC Oulton Park [Sports/Clubman] | 4 | Mk VII S | Peter Roberts | Peter Roberts | DNA |
| 7.5.1966 | BARC Oulton Park [Formula Libre] | 4 | Mk VII S | Peter Roberts | Peter Roberts | DNA |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 5 | | David Furgason | | DNA |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 11 | | Buzz Appleby | | DNA |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 19 | | Roy Pogue | | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 54 | Courier | Skilbeck / Flory | R. S. Skilbeck | DNA |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 96 | | Ken Hazlett | | DNA |
| 8.5.1966 | Velodromloppet [SP2.0] | 11 | | Gunnar Carlsson | | DNA |
| 8.5.1966 | SMRC Ingliston [S/Special GT+1.2] | 21 | Mk VII | Richard Scott | R. Scott | 1st |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 64 | Courier | Norm Hodges | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 74 | Courier | Wes McNay | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 87 | Mk VII | Ralph Wood | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 99 | | Ken Hazlett | | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 3 | Mk VIII | George Ralph | George Ralph | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 4 | Mk VIII | Bob Nagel | Bob Nagel | DNA |
| 15.5.1966 | SCCA National Cumberland [GSR+HSR] | 4 | | Paul Kneeland | Paul Kneeland | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 9 | Mk VII | Ed Hessert | E. C. Hessert | DNA |
| 15.5.1966 | SCCA National Cumberland [GSR+HSR] | 18 | Mk VII | Gordon Heald | Gordon Heald | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 27 | Mk VIII | Fred Ashplant | Fred Ashplant | raced |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 36 | | Warren Shamlian | Warren Shanilan | DNA |
| 15.5.1966 | SCCA National Cumberland [GSR+HSR] | 56 | | Gene Hobbs | Gene Hobbs | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 57 | Mk VII S | Chuck Dietrich | Robert Amey | ?th |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 77 | Mk VIII | Peter Lake | Peter Lake | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 91 | Mk VII | Bob Gardner | Bob Gardner | DNA |
| 21.5.1966 | SCCA Regional Watkins Glen [SR] | 44 | Mk VI | Al Justason | | 4th |
| 22.5.1966 | USRRC Bridgehampton | 2 | Mk VIII | George Ralph | | DNF |
| 22.5.1966 | Stockholmsloppet [SP2.0] | 2 | | Gunnar Carlsson | | 3rd |
| 22.5.1966 | USRRC Bridgehampton | 4 | Mk VIII | Bob Nagel | | 10th |
| 22.5.1966 | 1000 km Spa | 18 | Mk VII | Gustav Schlup | Gustav Schlup | DNA |
| 22.5.1966 | SCCA Regional Watkins Glen [SR] | 44 | Mk VI | Al Justason | | 3rd |
| 22.5.1966 | USRRC Bridgehampton | 72 | Mk VIII S | Kaback / Aaskov | | DNF |
| 22.5.1966 | USRRC Bridgehampton | 73 | Mk VIII | Fred Ashplant | | 19th |
| 28.5.1966 | SCCA National Courtland | 71 | Mk VII | | | raced |
| 28.5.1966 | AMOC Silverstone [S+1.6] | 95 | Mk VII | Bob Waters | M. Craker | DNA |
| 28.5.1966 | SA SCC Kyalami SAF | | Mk VII | Luki Botha | | 2nd |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 71 | Mk VIII | Bob Nagel | Fred Opert | 9th |
| 29.5.1966 | Labatt 50 Mont-Tremblant | 73 | Mk VIII | Fred Ashplant | Fred Opert | 10th |
| 30.5.1966 | Whitsun Goodwood [Marque] | 9 | Courier Sebring | Bill White | W. G. White | DNA |
| 30.5.1966 | NSCC Silverstone [SR] | 43 | | Reginald John Smith | R. J. Smith | raced |
| 30.5.1966 | NSCC Silverstone [SR] | 44 | Mk VII S | Chris Ashmore | Alan Eccles | raced |
| 30.5.1966 | NSCC Silverstone [Formula Libre] | 44 | Mk VII S | Chris Ashmore | Alan Eccles | 4th |
| 30.5.1966 | NSCC Silverstone [SR] | 47 | Mk VII S | Paul Linton | Paul Linton | raced |
| 30.5.1966 | Anerley Trophy Crystal Palace | 96 | Mk VII | Malcolm Wayne | M. Wayne | DNS |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 121 | | Syd Fox | Radio London Racing | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 122 | Mk VII S | Peter Roberts | P. C. O. Roberts | DNA |
| 30.5.1966 | National Zandvoort [Formula Libre] | | | Huug de Kruyff | | raced |