| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 73 | #SB1290 | Willis Weldin | Willis Weldin | DNA |
| 22.5.1966 | Stockholmsloppet [SP2.0] | | | Jan Agrén | | 5th |
| 28.5.1966 | MCMRC Oulton Park [Formula Libre] | 55 | | Clive Stanton | J. C. Stanton | 10th |
| 28.5.1966 | MCMRC Oulton Park [Sports] | 152 | | David Aukland | David Aukland | DNS |
| 30.5.1966 | National Zandvoort [Formula Libre] | | | Anton Keizer | | 2nd |
| 4.6.1966 | 8 Clubs Silverstone [Race A] | 29 | | Tony Sandars | A. T. Sandars | DNA |
| 4.6.1966 | BARC Oulton Park [Sports/Clubman] | 115 | | Jon Fletcher | Jon B. Fletcher | DNS |
| 4.6.1966 | Player's Mosport [Production] | | | Keith Andrews | | 5th |
| 12.6.1966 | SCCA Mid-America [CM+DM+EM+FM+GM+AP+BP+CP+DP+EP] | | | Basil Thompson | | ?th |
| 18.6.1966 | BEMC National Mosport [GT/S1.6] | | | Bruce Jensen | | 3rd |
| 19.6.1966 | Keimola [GT/S] | 8 | | Ahti Soraja | | raced |
| 27.6.1966 | Hawaii [Main] | | | Brian Fuerstenau | Tom Grist | raced |
| 2.7.1966 | BRSCC Oulton Park [Sports] | 148 | | Peter Crossley | Peter Crossley | DNF |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 12 | | Loyal Katskee | | DNA |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 79 | | Jerrell Henry | | 5th |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | | | Walt Biddle | | DNF |
| 3.7.1966 | SCCA National Ponca City [CP+DP+EP] | | | Don Ginardi | | ?th |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | | | Ted Rand | | 4th |
| 4.7.1966 | SCCA National Galveston [CP+DP+EP] | | | Jim Kauffman | | 1st |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 18 | | Peter Crossley | Peter Crossley | DNS |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 52 | | Gregory Hodges | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 53 | | Dave Vital | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 54 | | Bill Blake | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 56 | | Austin Walther | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 57 | | Jon Milledge | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 58 | | Speck Spott | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 59 | | Beckford Young | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 61 | | Jerry Scheberies | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 62 | | Tom Johnson | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 75 | | Manuel Inacio | | DNA |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 7 | | R. H. Donnelly | | DNA |
| 23.7.1966 | BRSCC Oulton Park [Sports] | 47 | | David Aukland | David Aukland | 11th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 47 | | David Aukland | David Aukland | 18th |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 76 | | Judith Beattie | | DNA |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 95 | | David Stewart | | DNA |
| 24.7.1966 | SCCA National Connellsville [CP] | 72 | | Sam Feinstein | | DNA |
| 24.7.1966 | SCCA National Connellsville [CP] | 76 | | Richard Barnes | | DNA |
| 13.8.1966 | 750 MC Oulton Park [Sports] | 135 | | Clive Stanton | Clive Stanton | 12th |
| 14.8.1966 | SMRC Ingliston [S/Special GT+1.2] | 46 | | Ian Cochrane | I. Cochrane | 3rd |
| 14.8.1966 | SMRC Ingliston [Clubman] | 46 | | Ian Cochrane | I. Cochrane | DNA |
| 14.8.1966 | SMRC Ingliston [S/Special GT+1.2] | 48 | | Ron Turnbull | J. Blumer | DNA |
| 14.8.1966 | SMRC Ingliston [Clubman] | 48 | | Ron Turnbull | J. Blumer | DNA |
| 20.8.1966 | BARC Oulton Park [Sports/Clubman] | 113 | | Jon Fletcher | J. B. Fletcher | 8th |
| 27.8.1966 | NSMC Oulton Park [Formula Libre] | 36 | | Clive Stanton | Clive Stanton | 11th |
| 27.8.1966 | NSMC Oulton Park [Formula Libre] | 36 | | Clive Stanton | Clive Stanton | 7th |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 7 | | Martin Sellers | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 51 | | Donald Hupp | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 69 | | Jerry Townsend | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 76 | | Richard Barnes | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 95 | | David Stewart | Dave Stewart | DNA |
| 3.9.1966 | 200 mile Road America | 11 | | Walt Biddle | Walt Biddle | DNA |
| 3.9.1966 | MGCC Oulton Park [GT/Sports] | 15 | | David Aukland | David Aukland | 6th |
| 3.9.1966 | MGCC Oulton Park [Sports] | 15 | | David Aukland | David Aukland | DNF |
| 3.9.1966 | 200 mile Road America | 23 | | Charles Witz | Charles Witz | DNA |
| 3.9.1966 | 200 mile Road America | 47 | | Jerald Scrabeck | Jerald Scrabeck | DNA |
| 3.9.1966 | 200 mile Road America | 48 | | Houtz / Giess | John C. Houtz | DNA |
| 3.9.1966 | 200 mile Road America | 67 | | Floeck / Cox | Bob Floeck | DNA |
| 3.9.1966 | 200 mile Road America | 79 | | Henry / Dent | R. Jerrell Henry | DNA |
| 3.9.1966 | 200 mile Road America | 94 | | Harlan Frame | H. D. Frame | DNA |
| 3.9.1966 | 200 mile Road America | 97 | | Brooks Robinson | Brooks M. Robinson | DNA |
| 3.9.1966 | MGCC Oulton Park [Sports] | 126 | | Clive Stanton | Clive Stanton | 5th |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 13 | | Keith Schaulis | Keith Schaulis | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 17 | | Lee Douglas | Lee Douglas | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 26 | | Jeff Kline | Bud Hand Sports Car Service | DNA |
| 4.9.1966 | SMRC Ingliston [S/Special GT+1.2] | 31 | | Ian Cochrane | I. Cochrane | DNA |
| 4.9.1966 | SMRC Ingliston [Clubman] | 31 | | Ian Cochrane | I. Cochrane | 2nd |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 54 | | Richard Waltzman | Galvins Inc. | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 64 | | Robert Walker | Rob Walker | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 8C | | Ron Turnbull | Rex Racing | 2nd |
| 24.9.1966 | 5 h Relay Oulton Park | 14 | | Graham Horner | Formula Seven | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 14A | | D. A. Lee | Formula Seven | DNA |
| 2.10.1966 | SMRC Ingliston [S/Special GT+1.2] | 35 | | Ian Cochrane | I. Cochrane | DNA |
| 9.10.1966 | NSCC Mallory Park [Lotus 7 Type] | 14 | | Ron Turnbull | Jimmy Blummer | raced |
| 10.10.1966 | SA SCC Kyalami RST | | | John Amm | | 3rd |
| 16.10.1966 | SCCA Regional Virginia [CP+EP] | 71C | | Ralph Donnelly | | 7th |
| 16.10.1966 | SCCA Regional Virginia [CP+EP] | 92 | | Lee Talbot | | 3rd |
| 27.11.1966 | US Champions Riverside [CP+DP] | 32 | | Jerrell Henry | | 17th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 41 | | Chuck Harlan | | 18th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 42 | | Don Ginardi | | 19th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 43 | | Jim Harris | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 52 | | Jim Kauffman | | 9th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 62 | | Jon Milledge | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 65 | | Cliff Ceridono | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 72 | | Rick Bennewitz | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 73 | | Milt Minter | | DNF |
| 4.12.1966 | GP Rhodesia | | | John Amm | | 3rd |