| 13.3.1966 | ICNSCC Delta Park [AIP+BIP+CIP+DIP+EIP] | | | Fred Harris | | 2nd |
| 13.3.1966 | ICNSCC Delta Park [Modified] | | | Fred Harris | | 1st |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | Neben Evol | | raced |
| 20.3.1966 | Marlboro [SR+AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | Marlboro [SR+AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | | | | raced |
| 26.3.1966 | 12 h Sebring | 8 | | Yenko / Morgan / Whims | Harold C. Whims | 11th |
| 26.3.1966 | 12 h Sebring | 9 | #194376S10556 | Wintersteen / Moore | Roger Penske | 9th |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 8 | | Herb Caplan | | 1st |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 11 | | Red Faris | | DNF |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 16 | | Frank Search | | 4th |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 18 | | Jim Barber | | DNA |
| 3.4.1966 | SCCA National Marlboro [AP+BP] | 25 | | Frank Dominianni | | raced |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 26 | | Ron Mosiniak | | 5th |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 31 | | Bill Treytl | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 35 | | Doug Williams | | DNA |
| 3.4.1966 | SCCA National Marlboro [AP+BP] | 42 | | Don Yenko | | 2nd |
| 3.4.1966 | SCCA Regional Kirker Creek [AP+BP+CP] | 49 | | Bob Allen | | DNA |
| 3.4.1966 | SCCA National Tucson [AP+BP+Sedan] | | | Scott Briley | | 3rd |
| 3.4.1966 | ICNSCC Westwood [Production] | | | Fred Harris | | 1st |
| 3.4.1966 | ICNSCC Westwood [Modified] | | | Fred Harris | | DNF |
| 3.4.1966 | ICNSCC Westwood [Improved] | | | Fred Harris | | DNF |
| 17.4.1966 | SCCA National Vineland [AP+BP] | | | Don Yenko | | DNF |
| 17.4.1966 | SCCA National Fernandina Beach [CM+DM+EM+FM+AP+BP+CP] | | | George Cornelius | | ?th |
| 24.4.1966 | USRRC Las Vegas | 11 | | Paul Reinhart | Red Faris | 11th |
| 24.4.1966 | USRRC Las Vegas | 18 | | Dick Guldstrand | Herb Caplan | DNF |
| 24.4.1966 | USRRC Las Vegas | | | Neben Evol | | DNF |
| 24.4.1966 | MWCSCC Lynndale Farms [Main] | | | Bill Morrison | | 2nd |
| 24.4.1966 | Las Vegas [AP+BP+CP+DP] | | | Neben Evol | | 4th |
| 24.4.1966 | Las Vegas [AP+BP+CP+DP] | | | Herb Caplan | | 2nd |
| 25.4.1966 | 1000 km Monza | 1 | | Veyrat / Blanc | Denis Veyrat | DNF |
| 30.4.1966 | SCCA Regional Thompson [Main] | | | Ken Duclos | | 1st |
| 1.5.1966 | SCCA National Virginia [AP+BP] | 16 | | Donald Blatchley | | 6th |
| 1.5.1966 | SCCA National Virginia [AP+BP] | 29 | | Bob Fryer | | DNA |
| 1.5.1966 | SCCA National Virginia [AP+BP] | 42 | | Don Yenko | | 2nd |
| 1.5.1966 | SCCA National Newport [Modified+AP+BP] | | | Frank Search | | 3rd |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 15 | | Doug Williams | | DNA |
| 7.5.1966 | SCCA Regional Laguna Seca [CM+DM+EM+FM+GM] | 28 | | Bill Davis | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 8 | | Herb Caplan | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 11 | | Paul Reinhart | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 16 | | Frank Search | | DNA |
| 8.5.1966 | USRRC Laguna Seca | 18 | | Dick Guldstrand | | 13th |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 31 | | Bill Treytl | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 35 | | Doug Williams | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 49 | | Bob Allen | | DNA |
| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 6 | | Donald Blatchley | Donald Blatchley | DNA |
| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 9 | | Bob Fryer | Bob Fryer | DNA |
| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 27 | | Tom Robinson | Tom Robinson | DNA |
| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 42 | | Don Yenko | Grady Davis | 3rd |
| 15.5.1966 | SCCA National Cumberland [AP+BP+CP] | 84 | | Ed Myers | Edwin Myers | DNA |
| 16.5.1966 | Player's Pacific Westwood | 17 | | Gary Gove | | 3rd |
| 16.5.1966 | Player's Pacific Westwood | 220 | #40837S100315 | Laurie Craig | | 1st |
| 16.5.1966 | Player's Pacific Westwood | 700 | | Cliff Lindbergh | | 15th |
| 12.6.1966 | SCCA Regional Metropolitan Stadium [Modified] | | | Peter Dock | | ?th |
| 18.6.1966 | June Sprints Road America [AP+BP+CP] | | | Frank Search | | 2nd |
| 25.6.1966 | Watkins Glen [Production] | 11 | | William McGraw | William J. McGraw | DNA |
| 25.6.1966 | Watkins Glen [Production] | 16 | | Donald Blatchley | Dr. Donald M. Blatchley | DNA |
| 25.6.1966 | Watkins Glen [Production] | 81 | | Alex Davidson | Alex Davidson | DNA |
| 26.6.1966 | GP Watkins Glen | 81 | | Alvin Forsyth | Alvin M. Forsyth | DNQ |
| 27.6.1966 | Hawaii [Main] | | | Sam Jones | | raced |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 412 | | Claude Huot | Laiterie Jeromienne | DNA |
| 3.7.1966 | SCCA National Greenwood [AP+BP] | | | Bill Morrison | | 2nd |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | | | | | raced |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | | | | | raced |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | | | | | raced |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | | | Allan Barker | | 2nd |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 8 | | Herb Caplan | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 11 | | Red Faris | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 26 | | Ron Mosiniak | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 31 | | Bill Treytl | | DNA |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 65 | | Carl Gainor | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 1 | | Bob Bienerth | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 9 | | Bob Fryer | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 16 | | Donald Blatchley | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 18 | | Stan Engleman | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 27 | | Tom Robinson | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 42 | | Don Yenko | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 55 | | Gary Morgan | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 82 | | Harold Whims | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 84 | | Ed Myers | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 92 | | Wilton T. Jowett, Jr. | | DNA |
| 31.7.1966 | USRRC Kent | 11 | | Rick Stark | | 14th |
| 31.7.1966 | USRRC Kent | 77 | | Gary Gove | | 12th |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 27 | | Tom Robinson | | DNA |
| 3.9.1966 | 200 mile Road America | 25 | | Scheffer / Holton | Randy C. Scheffer | raced |
| 3.9.1966 | 200 mile Road America | 27 | | Heinz / Morrison | Dave Heinz | DNA |
| 3.9.1966 | 200 mile Road America | 32 | | Jerry Dunbar | R. Jerry Dunbar | DNA |
| 3.9.1966 | 200 mile Road America | 81 | | Nappi / Reinold | Tito C. Nappi | DNA |
| 4.9.1966 | 500 mile Road America | 5 | | Dock / Whelan | Peter Dock | DNF |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 41 | | Scott Briley | Peg Briley | DNA |
| 18.9.1966 | Bridgehampton [AP+BP+CP+DP] | 12 | | Bill Infield | Bill Infield | DNA |
| 18.9.1966 | SCCA Regional Virginia [Main] | 96 | | Rick Wilson | | 3rd |
| 2.10.1966 | Westwood | | | Gary Gove | | 5th |
| 2.10.1966 | Westwood | | #40837S100315 | Laurie Craig | | ?th |
| 9.10.1966 | Preis von Tirol [GT] | 81 | | Anatoly Arutunoff | Anatoly Arutunoff | DNA |
| 16.10.1966 | SCCA Regional Nelson Ledges [AP+?] | | | Bob Fryer | | ?th |