| 1.1.1966 | GP East London | | | Jack Holme | J. Holme | ?th |
| 6.2.1966 | 24 h Daytona | 55 | | Weaver / Fraim / Freeman | J. Randall | DNF |
| 20.2.1966 | SCCA Regional Willow Springs [CM+DM+EM+FM+GM+AP+BP+CP+DP] | | | Bill Young | | 3rd |
| 27.2.1966 | SCCA National West Palm Beach [CM+DM+EM+FM+GM+AP+BP] | | | Dave Tallaksen | | raced |
| 27.2.1966 | SCCA National Phoenix [BP+CP+DP+EP] | | | Bill Young | | 1st |
| 5.3.1966 | SA SCC Kyalami RAT | | | Jack Holme | J. Holme | ?th |
| 6.3.1966 | BRSCC Brands Hatch [Special GT] | | | Bob Ellice | | 6th |
| 6.3.1966 | BRSCC Brands Hatch [Special GT] | | | Eric Oliver | | 8th |
| 6.3.1966 | BRSCC Brands Hatch [Special GT] | | | Keith Burnand | | 5th |
| 6.3.1966 | BRSCC Brands Hatch [Special GT] | | #26-S2-34 | John Miles | | 1st |
| 13.3.1966 | BARC Mallory Park [GT1.6] | | #26-S2-34 | John Miles | | 1st |
| 13.3.1966 | BARC Mallory Park [GT1.6] | | | John Blades | | 2nd |
| 20.3.1966 | 60 minute Juarez [Handicap 2.0] | | | Dave Morris | | 3rd |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | Bill Young | | ?th |
| 26.3.1966 | 12 h Sebring | 60 | | Colombosian / Todd | Autolab Imports | DNF |
| 26.3.1966 | Croft [GT] | | | Bill Dryden | | 2nd |
| 26.3.1966 | Croft [GT] | | | Gordon Durham | | 3rd |
| 26.3.1966 | 12 h Sebring | | | John Todd | Autolab Imports | DNA |
| 27.3.1966 | National Zolder | | | Firmin Dauwe | | 3rd |
| 3.4.1966 | SCCA National Marlboro [AP+BP] | 47 | | Pete Claydon | | DNA |
| 3.4.1966 | SCCA National Marlboro [AP+BP] | 98 | | Pete Claydon | | 3rd |
| 3.4.1966 | SCCA National Tucson [AP+BP+Sedan] | | | Bill Young | | 4th |
| 9.4.1966 | BRSCC Oulton Park [S/GT] | 17 | | Alan Minshaw | Alan Minshaw | 7th |
| 9.4.1966 | BRSCC Oulton Park [GT] | 18 | | Eric Bird | Eric Bird | DNA |
| 9.4.1966 | BRSCC Oulton Park [S/GT] | 18 | | Eric Bird | Eric Bird | 12th |
| 9.4.1966 | BRSCC Oulton Park [GT] | 19 | | Sandy McCracken | J. Nicholson | 3rd |
| 9.4.1966 | BRSCC Oulton Park [S/GT] | 19 | | Sandy McCracken | J. Nicholson | 6th |
| 9.4.1966 | BRSCC Oulton Park [S/GT] | 20 | | Arnold Milburn | Arnold Milburn | 5th |
| 9.4.1966 | BRSCC Oulton Park [GT] | 20 | | Arnold Milburn | Arnold Milburn | 5th |
| 9.4.1966 | BRSCC Oulton Park [GT] | 132 | | Allan Ordidge | Allan Robert Ordidge | DNA |
| 9.4.1966 | BRSCC Oulton Park [GT] | 133 | | Ian Turnbull | Ian Turnbull | DNA |
| 9.4.1966 | 6 h South Africa | | | Holme / Wheble | J. Holme | DNF |
| 11.4.1966 | BRSCC Mallory Park [GT] | 81 | | John Nicholson | J. Nicholson | raced |
| 11.4.1966 | BRSCC Mallory Park [GT] | 82 | | | Mefco Racing | raced |
| 11.4.1966 | BRSCC Mallory Park [GT] | 83 | | Ian Turnbull | I. Turnbull | raced |
| 11.4.1966 | BRSCC Mallory Park [GT] | 85 | | G. Warden | G. Warden | raced |
| 11.4.1966 | BRSCC Mallory Park [GT] | 90 | | Cliff Lawrence | Barnet Motor Co. Ltd. | raced |
| 11.4.1966 | BRSCC Mallory Park [GT] | 94 | | John Harris | M. Gartlaw | 1st |
| 11.4.1966 | Sussex Trophy Goodwood | 129 | #26-S2-34 | John Miles | Race proved by Willment | 1st |
| 11.4.1966 | Sussex Trophy Goodwood | 130 | | John Hine | C. Barber | DNF |
| 11.4.1966 | Sussex Trophy Goodwood | 131 | | Peter Creasey | P. Creasey | 3rd |
| 11.4.1966 | Sussex Trophy Goodwood | 132 | | Chris St. Quintin | C. St. Quintin | DNA |
| 11.4.1966 | Sussex Trophy Goodwood | 133 | | Bob Ellice | Uptune (Racing) Limited | 4th |
| 11.4.1966 | Sussex Trophy Goodwood | 134 | | Eric Oliver | E. S. Oliver | DNA |
| 11.4.1966 | Sussex Trophy Goodwood | 135 | | Don Marriott | D. Marriott | 6th |
| 11.4.1966 | Sussex Trophy Goodwood | 136 | | John Lepp | Sports Motors (Machester) Ltd. | DNA |
| 11.4.1966 | Sussex Trophy Goodwood | 137 | | Peter Pollard | P. M. Pollard | 2nd |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 22 | | Arnold Milburn | Arnold Milburn | 5th |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 139 | | Allan Ordidge | Allan Ordidge | DNA |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 140 | #26-S2-37 | Morris / Hone / Mould | Mefco Racing | DNA |
| 16.4.1966 | LCCC Oulton Park [Sports/GT] | 141 | | Alan Minshaw | Alan Minshaw | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 33 | | Bill Dryden | J. N. Cuthbert | 1st |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 34 | | Ernest Blackadder | E. Blackadder | 4th |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 35 | | John Lepp | Sports Motors | 2nd |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 36 | | Sandy McCracken | A. McCracken | 3rd |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 45 | | D. J. Mackay | D. J. Mackay | DNA |
| 17.4.1966 | SCCA National Stuttgart [Main] | | | Ed Tucker | | 3rd |
| 17.4.1966 | SCCA National Vineland [AP+BP] | | | Pete Claydon | | 3rd |
| 17.4.1966 | SCCA National Vineland [AP+BP] | | | Bob Leitzinger | | 2nd |
| 17.4.1966 | SCCA National Fernandina Beach [CM+DM+EM+FM+AP+BP+CP] | | | Bob McQueen | | 3rd |
| 24.4.1966 | SM Knutstorp [GT2.0] | 1 | | Staffan Wahlström | SVK Västeras | DNF |
| 24.4.1966 | SM Knutstorp [GT2.0] | 2 | | Ingemar Nilsson | | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 3 | | Rolf Örell | Botkyrka MK | 7th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 5 | | Arno Gyltman | Skaraborgs SVK | 3rd |
| 24.4.1966 | SM Knutstorp [SP2.0] | 6 | | Per Brandström | Sportvagnsimport AB | 6th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 7 | | Jan Johnson | SMK Motala | 2nd |
| 24.4.1966 | SM Knutstorp [GT2.0] | 8 | | Jan-Olof Östlund | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 12 | | Yngve Johansson | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 13 | | Lennart Strandberg | Borlänge MK | 4th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 14 | | Åke Hagstrand | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 15 | | Erik Berger | Bengtsfors MC | 1st |
| 24.4.1966 | SM Knutstorp [GT2.0] | 16 | | Claes Lake | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 17 | | Per Brandström | Sportvagnsimport AB | 5th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 18 | | Claes Jung | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 19 | | Anders Josephson | | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 66 | | Eric Falce | E. P. Falce | 2nd |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 67 | | Ray Adlam | R. W. Adlam | ?th |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 68 | | Peter Pollard | P. M. Pollard | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 69 | | Don Marriott | D. Marriott | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 70 | | John Harris | M. Gartland | 1st |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 71 | | Keith Burnand | H. K. Burnand | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 72 | | Bob Ellice | R. Ellice | DNA |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 195 | | P. F. Bartley | P. F. Bartley | raced |
| 25.4.1966 | 1000 km Monza | 43 | | Steinemann / Eichhorn | Squadra Foitek | DNF |
| 30.4.1966 | DARM Trier [GT+1.3] | | | Eugen Herrmuth | | ?th |
| 30.4.1966 | DARM Trier [GT+1.3] | | | Friedhelm Theissen | | ?th |
| 30.4.1966 | DARM Trier [GT+1.3] | | | Rico Steinemann | | ?th |
| 30.4.1966 | DARM Trier [GT+1.3] | | | Klaus Scholz | | ?th |
| 30.4.1966 | DARM Trier [S+1.3] | | | Andreas Eichhorn | | 6th |
| 30.4.1966 | DARM Trier [S+1.3] | | | Pierre Marx | | 7th |
| 30.4.1966 | DARM Trier [S+1.3] | | | Erwin Kremer | | 8th |