| 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] | 71 | Mk VII | Bob Gardner | | 5th |
| 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] | 77 | | Peter Lake | | DNA |
| 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 |
| 7.5.1966 | BARC Oulton Park [Formula Libre] | 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 [Handicap] | 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 [GSR+HSR] | 4 | | Paul Kneeland | Paul Kneeland | DNA |
| 15.5.1966 | SCCA National Cumberland [CSR+DSR+ESR+FSR] | 4 | | Bob Nagel | Bob Nagel | 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 [Formula Libre] | 44 | Mk VII S | Chris Ashmore | Alan Eccles | 4th |
| 30.5.1966 | NSCC Silverstone [SR] | 44 | Mk VII S | Chris Ashmore | Alan Eccles | raced |
| 30.5.1966 | NSCC Silverstone [Formula Libre] | 47 | Mk VII S | Paul Linton | Paul Linton | DNA |
| 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 |
| 4.6.1966 | 8 Clubs Silverstone [Handicap A] | 15 | Courier | J. R. Trace | J. R. Trace | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race B] | 15 | Courier | J. R. Trace | J. R. Trace | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race A] | 68 | Courier Mk I | Maurice Gates | M. M. Gates | DNA |
| 4.6.1966 | Player's 200 Mosport | 71 | Mk VIII | Bob Nagel | Fred Opert Racing Enterprises | DNA |
| 4.6.1966 | Player's 200 Mosport | 72 | Mk VIII | Floyd Aaskov | Fred Opert Racing Enterprises | DNA |
| 4.6.1966 | Player's 200 Mosport | 73 | Mk VIII | Fred Ashplant | Fred Opert Racing Enterprises | DNA |
| 4.6.1966 | BARC Oulton Park [Formula Libre] | 101 | Mk VII | Richard Scott | R. Scott | DNS |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 101 | Mk VII | Richard Scott | R. Scott | 8th |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 102 | Mk VII S | Peter Roberts | Peter Roberts | DNF |
| 4.6.1966 | BARC Oulton Park [Handicap] | 102 | Mk VII S | Peter Roberts | Peter Roberts | DNS |
| 4.6.1966 | BARC Oulton Park [Formula Libre] | 102 | Mk VII S | Peter Roberts | Peter Roberts | DNS |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 104 | Mk VII S | Paul Linton | Paul Linton | DNF |
| 4.6.1966 | BARC Oulton Park [Formula Libre] | 109 | Mk VII | Chris Ashmore | A. Eccles | DNF |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 109 | Mk VII | Chris Ashmore | A. Eccles | DNF |
| 5.6.1966 | Artukainen [Specials] | 6 | F3 | Pentti Häyrinen | | DNA |
| 5.6.1966 | SCCA National Vineland [CSR+DSR+ESR+FSR] | 27 | Mk VIII | Fred Ashplant | | 3rd |
| 5.6.1966 | 1000 km Nürburgring | 27 | Mk VII | Schlup / Calderari | G. E. Schlup | DNA |
| 5.6.1966 | Bulawayo 100 | | Mk VII | Luki Botha | | DNF |
| 12.6.1966 | SCCA Regional Metropolitan Stadium [DM+EM+FM+GM+HM] | | Mk VI | Howie Fairbanks | | ?th |
| 18.6.1966 | BARC Silverstone [Sports] | 66 | | David Driver | D. Prophet | DNA |
| 18.6.1966 | BARC Silverstone [Sports] | 103 | Mk VII S | Peter Roberts | P. C. O. Roberts | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 103 | Mk VII S | Peter Roberts | P. C. O. Roberts | DNA |
| 18.6.1966 | BARC Silverstone [Sports] | 104 | Mk VII S | Paul Linton | P. Linton | DNA |
| 18.6.1966 | BARC Silverstone [Sports] | 125 | Mk VII | Chris Ashmore | A. Eccles | DNA |
| 18.6.1966 | BEMC National Mosport [Dunlop Trophy] | 411 | Mk VI | Al Justason | | raced |
| 19.6.1966 | SCCA National Bridgehampton [CSR+DSR+ESR+FSR] | 2 | Mk VIII | Fred Ashplant | | ?th |
| 19.6.1966 | Hockenheim [S1.15/Racing] | 67 | Mk VI | Heinrich Wirth | Squadra Foitek | DNA |
| 19.6.1966 | June Sprints Road America [SR] | | | Ernie Erickson | | 6th |
| 19.6.1966 | June Sprints Road America [SR] | | Mk VIII | Dave Causey | | 4th |
| 24.6.1966 | SM Falmarksbanan [SP2.0] | 2 | | Gunnar Carlsson | Stockholms BK | 3rd |
| 25.6.1966 | Watkins Glen [Production] | 52 | Courier | Eugene Birdsey | Eugene D. Birdsey | DNA |
| 25.6.1966 | Watkins Glen [Production] | 72 | Courier | Fred Opert | Fred Opert Racing Enterprises | DNA |
| 26.6.1966 | GP Watkins Glen | 14 | Mk VIII | Bob Nagel | Robert J. Nagel | DNA |
| 26.6.1966 | GP Watkins Glen | 19 | Mk VII | Ed Hessert | Dr. E. C. Hessert | DNQ |
| 26.6.1966 | GP Watkins Glen | 57 | Mk VII S | Chuck Dietrich | Suzy Dietrich | 13th |
| 26.6.1966 | GP Watkins Glen | 72 | Mk VIII | George Ralph | Fred Opert Racing Enterprises | DNA |
| 26.6.1966 | GP Watkins Glen | 73 | Mk VIII | Fred Ashplant | Fred Opert Racing Enterprises | DNA |
| 26.6.1966 | SA SCC Roy Hesketh | | Mk VII | Luki Botha | | 4th |
| 2.7.1966 | BRSCC Oulton Park [Formula Libre] | 51 | Mk VII | Richard Scott | Richard Scott | DNF |
| 2.7.1966 | BRSCC Oulton Park [SR/R] | 52 | Mk VII S | Peter Roberts | Peter Roberts | DNA |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 411 | Mk VI | Al Justason | Al Justason | raced |