| 4.6.1966 | Player's 200 Mosport | 3 | T70 Mk.2 | Jackie Stewart | Mecom Racing Team | T-car |
| 4.6.1966 | Player's 200 Mosport | 161 | | Frank Salem | Frank M. Salem | DNA |
| 12.6.1966 | Snetterton [Sports] | 1 | T70 Mk.2 | Sid Taylor | Sidney Taylor | 1st |
| 12.6.1966 | Rose Cup Portland | 57 | T70 Mk.1 | Monte Shelton | Monte Shelton | 2nd |
| 18.6.1966 | Rufforth [Formula Libre] | 4 | T70 Mk.2 | Tony Sargeant | Racing Partnership | 2nd |
| 18.6.1966 | Guards Trophy Rufforth | 4 | T70 Mk.2 | Tony Sargeant | Racing Partnership | 3rd |
| 18.6.1966 | Guards Trophy Rufforth | 39 | T70 Mk.2 | Brian Redman | Red Rose Motors | 1st |
| 18.6.1966 | Rufforth [Formula Libre] | 39 | T70 Mk.2 | Brian Redman | Red Rose Motors | 1st |
| 18.6.1966 | BARC Silverstone [Handicap] | 60 | Mk.1 | Bluebelle Gibbs | Mrs. R. Bluebelle Gibbs | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 61 | Mk.1 | Dickie Metcalfe | C. Le S. Metcalfe | DNA |
| 18.6.1966 | BARC Silverstone [Sports] | 61 | Mk.1 | Dickie Metcalfe | C. Le S. Metcalfe | DNA |
| 19.6.1966 | Brands Hatch | | T70 Mk.2 | Tony Lanfranchi | Sidney Taylor | 1st |
| 25.6.1966 | BARC Mallory Park [Sports] | 1 | T70 Mk.2 | Tony Sargeant | Racing Partnership | 1st |
| 25.6.1966 | BARC Mallory Park [Handicap] | 1 | T70 Mk.2 | Tony Sargeant | Racing Partnership | 1st |
| 25.6.1966 | BARC Mallory Park [Formula Libre] | 1 | T70 Mk.2 | Tony Sargeant | Racing Partnership | 2nd |
| 25.6.1966 | SCCA National Vineland | 29 | T70 Mk.2 | Bob Bucher | B.A.R.F. Racing | 1st |
| 26.6.1966 | GP Watkins Glen | 6 | T70 Mk.2 | Mark Donohue | Roger Penske Racing Enterprises | DNF |
| 26.6.1966 | GP Watkins Glen | 8 | T70 Mk.1 | Jerry Grant | All American Racers | 5th |
| 26.6.1966 | GP Watkins Glen | 9 | T70 Mk.1 | Skip Hudson | T. M. I. Associates | 4th |
| 26.6.1966 | GP Watkins Glen | 26 | T70 Mk.2 | John Fulp | Raceway Engineering, Inc. | 1st |
| 26.6.1966 | GP Watkins Glen | 29 | T70 Mk.2 | Bob Bucher | Young B.A.R.F. Racing Team, Inc. | DNF |
| 26.6.1966 | GP Watkins Glen | 47 | T70 Mk.2 | Bob Brown | Robert R. Brown | DNA |
| 4.7.1966 | SCCA National Galveston [Modified] | 16 | T70 Mk.2 | George Follmer | John Mecom | 1st |
| 9.7.1966 | Martini Trophy Silverstone | 33 | T70 Mk.2 | Hugh Dibley | Racing Partnership (Jersey) Ltd. | 4th |
| 9.7.1966 | Martini Trophy Silverstone | 34 | T70 Mk.2 | David Hobbs | Team Surtees | 3rd |
| 9.7.1966 | Martini Trophy Silverstone | 35 | T70 Mk.2 | Denny Hulme | Sidney Taylor | 1st |
| 9.7.1966 | Martini Trophy Silverstone | 36 | T70 Mk.2 | Brian Redman | Red Rose Motors (Chester) Ltd. | DNA |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 8 | T70 Mk.1 | Jerry Grant | All American Racers | DNF |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 29 | T70 Mk.2 | Bob Bucher | B.A.R.F. Racing | DNS |
| 16.7.1966 | GP Brands Hatch | 40 | T70 | David Hobbs | Bernard White Racing | DNA |
| 16.7.1966 | GP Brands Hatch | 51 | T70 Mk.2 | Brian Redman | Red Rose Motors (Chester) Ltd. | 4th |
| 16.7.1966 | GP Brands Hatch | 52 | T70 Mk.2 | Richard Attwood | Sidney Taylor | DNF |
| 16.7.1966 | GP Brands Hatch | 53 | T70 Mk.2 | Hugh Dibley | Racing Partnerships (Jersey) Ltd. | 1st |
| 23.7.1966 | Phoenix Park [Formula Libre] | 1 | T70 Mk.2 | Sid Taylor | Sid Taylor (Racing) | 1st |
| 23.7.1966 | Phoenix Park [Handicap] | 1 | T70 Mk.2 | Trevor Taylor | Sid Taylor | 4th |
| 23.7.1966 | BRSCC Oulton Park [Formula Libre] | 86 | T70 Mk.2 | Brian Redman | Red Rose | 1st |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 86 | T70 Mk.2 | Brian Redman | Red Rose | DNS |
| 23.7.1966 | Phoenix Park [Handicap] | | T70 Mk.2 | Tony Sargeant | Racing Partnership | DNF |
| 23.7.1966 | Phoenix Park [Formula Libre] | | T70 Mk.2 | Tony Sargeant | Racing Partnership | DNF |
| 24.7.1966 | SCCA National Connellsville [CSR+DSR+ESR+FSR] | 00 | T70 Mk.2 | Bob Brown | Robert R. Brown | DNA |
| 24.7.1966 | SCCA National Connellsville [CSR+DSR+ESR+FSR] | 29 | T70 | Bob Boucher | | DNA |
| 24.7.1966 | Silverstone [Formula Libre] | | T70 Mk.2 | Tony Sargeant | Racing Partnership | DNA |
| 30.7.1966 | Snetterton | | T70 Mk.2 | Tony Sargeant | Racing Partnership | 1st |
| 31.7.1966 | USRRC Kent | 8 | T70 Mk.1 | Jerry Grant | All American Racers | DNF |
| 31.7.1966 | USRRC Kent | 9 | T70 Mk.1 | Skip Hudson | Pacesetter | 16th |
| 31.7.1966 | USRRC Kent | 16 | T70 Mk.2 | Mark Donohue | Roger Penske | 1st |
| 31.7.1966 | USRRC Kent | 26 | T70 Mk.2 | John Fulp | Raceway Engineering | DNF |
| 31.7.1966 | USRRC Kent | 31 | T70 Mk.1 | Ronnie Bucknum | Haskell Automotive | DNF |
| 6.8.1966 | Norbury Trophy Crystal Palace | 31 | T70 Mk.2 | Mac Daghorn | Racing Partnership | 1st |
| 6.8.1966 | Norbury Trophy Crystal Palace | | T70 Mk.1 | Syd Fox | John Ewer | raced |
| 13.8.1966 | BARC Croft [Formula Libre] | 1 | T70 Mk.2 | Sid Taylor | Sidney Taylor | DNS |
| 13.8.1966 | BARC Croft [Formula Libre] | 4 | T70 Mk.2 | Tony Sargeant | Racing Partnership (Jersey) | 1st |
| 14.8.1966 | Wills Trophy Croft | 1 | T70 Mk.2 | John Surtees | Team Surtees | 1st |
| 14.8.1966 | Wills Trophy Croft | 2 | T70 Mk.2 | Denny Hulme | Sid Taylor (Racing) | DNQ |
| 14.8.1966 | Wills Trophy Croft | 3 | T70 Mk.2 | Brian Redman | Red Rose Motors | DNF |
| 14.8.1966 | Wills Trophy Croft | 4 | T70 Mk.2 | Hugh Dibley | Racing Partnership (Jersey) | 2nd |
| 14.8.1966 | Wills Trophy Croft | 36 | Mk.1 | Desmond Freer | W. D. Freer | DNS |
| 20.8.1966 | SCCA National Watkins Glen | 00 | T70 Mk.2 | Bob Brown | Robert R. Brown | 2nd |
| 20.8.1966 | H&DLLC Castle Combe [Sports] | 2 | T70 Mk.2 | Hugh Dibley | Racing Partnerships Ltd. | 5th |
| 20.8.1966 | H&DLLC Castle Combe [Formula Libre] | 2 | T70 Mk.2 | Mac Daghorn | Racing Partnerships Ltd. | 1st |
| 20.8.1966 | H&DLLC Castle Combe [Sports] | 3 | T70 Mk.2 | Sid Taylor | Sid Taylor | DNA |
| 20.8.1966 | SCCA National Watkins Glen | 29 | T70 Mk.2 | Bob Bucher | B.A.R.F. Racing | 1st |
| 20.8.1966 | H&DLLC Castle Combe [Formula Libre] | 82 | T60 | Steve Thompson | Steve Thompson | DNA |
| 20.8.1966 | H&DLLC Castle Combe [Formula Libre] | 90 | | Handley / Meek | G. R. Baird | DNA |
| 20.8.1966 | BARC Oulton Park [Sports/Clubman] | 109 | Mk.1 | Angus Clydesdale | C. J .Lawrence | 10th |
| 21.8.1966 | 500 mile Watkins Glen | 00 | T70 Mk.2 | Bob Brown | Robert R. Brown | raced |
| 21.8.1966 | 12 h Surfers Paradise | 11 | | Gorringe / Crawford | Donald Gorringe | DNF |
| 21.8.1966 | 500 mile Watkins Glen | 29 | T70 Mk.2 | Bob Bucher | B.A.R.F. Racing | 1st |
| 27.8.1966 | NSMC Oulton Park [Formula Libre] | 101 | Mk.2 | Norman Davies | Norman Davies | 13th |
| 28.8.1966 | USRRC Mid-Ohio | 6 | T70 Mk.2 | Mark Donohue | Roger Penske Enterprises | DNF |
| 28.8.1966 | USRRC Mid-Ohio | 8 | T70 Mk.1 | Jerry Grant | All American Racers | DNS |
| 28.8.1966 | USRRC Mid-Ohio | 9 | T70 Mk.1 | Skip Hudson | Hudson Enterprises | DNF |
| 28.8.1966 | USRRC Mid-Ohio | 26 | T70 Mk.2 | John Fulp | Raceway Engineering | 3rd |
| 28.8.1966 | USRRC Mid-Ohio | 29 | T70 Mk.2 | Bob Bucher | Woody Young | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 31 | T70 Mk.2 | Don Skogmo | Don Skogmo | 11th |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 74 | | Jon Jenkins | | DNA |
| 29.8.1966 | Guards Trophy Brands Hatch | 1 | T70 Mk.2 | John Surtees | Team Surtees Ltd. | 1st |
| 29.8.1966 | Guards Trophy Brands Hatch | 2 | T70 Mk.2 | Graham Hill | Team Surtees Ltd. | 3rd |
| 29.8.1966 | Guards Trophy Brands Hatch | 3 | T70 Mk.2 | Denny Hulme | Sidney Taylor | DNF |
| 29.8.1966 | Guards Trophy Brands Hatch | 4 | T70 Mk.2 | Hugh Dibley | Racing Partnership (Jersey) Ltd. | DNF |
| 29.8.1966 | Guards Trophy Brands Hatch | 5 | T70 Mk.2 | Brian Redman | Red Rose Motors (Chester) Ltd. | 10th |
| 29.8.1966 | Guards Trophy Brands Hatch | 6 | T70 Mk.2 | Paul Hawkins | Epstein Enterprises Ltd. | 5th |
| 29.8.1966 | Guards Trophy Brands Hatch | 7 | T70 Mk.1 | Syd Fox | John Ewer | 14th |
| 29.8.1966 | NSCC Silverstone [SR] | 40 | Mk.1 | Dickie Metcalfe | C. Le S. Metcalfe | DNA |
| 29.8.1966 | NSCC Silverstone [SR] | 41 | Mk.1 | Bluebelle Gibbs | R. Bluebelle Gibbs | DNA |
| 29.8.1966 | NSCC Silverstone [SR] | 43 | Mk.1 | Desmond Freer | W. D. Freer | DNA |
| 29.8.1966 | NSCC Silverstone [SR] | 53 | T70 | John Ewer | John Ewer | DNA |
| 3.9.1966 | SCCA National Thompson [CSR+DSR+ESR+FSR] | 00 | T70 Mk.2 | Bob Brown | Robert R. Brown | 2nd |
| 3.9.1966 | SCCA National Thompson [CSR+DSR+ESR+FSR] | 29 | T70 Mk.2 | Bob Bucher | B.A.R.F. Racing | 3rd |
| 3.9.1966 | SCCA National Thompson [CSR+DSR+ESR+FSR] | 70 | T70 Mk.2 | Jerry Crawford | Jerry Crawford | 1st |
| 4.9.1966 | 500 mile Road America | 8 | T70 Mk.1 | Jerry Grant | All American Racers | DNA |
| 4.9.1966 | 500 mile Road America | 9 | T70 Mk.1 | Skip Hudson | R. E. Hudson | 3rd |
| 4.9.1966 | 500 mile Road America | 26 | T70 Mk.2 | John Fulp | Schroeder Racing Team | DNF |
| 4.9.1966 | 500 mile Road America | 33 | T70 Mk.2 | Skogmo / Beckett | Don Skogmo | DNS |
| 10.9.1966 | PMC Silverstone [SR] | 99 | Mk.1 | Bluebelle Gibbs | R. Bluebelle Gibbs | raced |
| 10.9.1966 | PMC Silverstone [SR] | 111 | T70 | John Ewer | J. Ewer | raced |
| 11.9.1966 | Can-Am St. Jovite | 3 | T70 Mk.2 | John Surtees | Team Surtees Ltd. | 1st |
| 11.9.1966 | Can-Am St. Jovite | 11 | T70 Mk.2 | Hugh Dibley | Racing Partnerships (Jersey) Ltd. | DNS |
| 11.9.1966 | Can-Am St. Jovite | 23 | T70 Mk.2 | George Alderman | Alderman Automotive Service | 11th |
| 11.9.1966 | Can-Am St. Jovite | 116 | T70 Mk.2 | George Follmer | Mecom Racing Team | 5th |