| series | Champcar complete |
| race | Langhorne II |
| year | 1966 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Lindsey Hopkins | 8 | G.C. Murphy | Roger McCluskey | | 2 | 1 | Eagle 66 [205] | Ford DOHC | 142 | |
| W & W Enterprises | 72 | Weinberger Homes | Gordon Johncock | | 3 | 2 | Gerhardt 66 [i] | Ford DOHC | 8 | |
| Mecom Racing | 24 | American Red Ball | Al Unser | | 6 | 3 | Lola T90 [SL-90-03] | Ford DOHC | ||
| Vatis Enterprises | 53 | Valvoline | Gary Congdon | | 4 | 4 | Huffaker 64 [c] | Offy 252 | ||
| Leader Card | 4 | Leader Card | Don Branson | | 1 | 5 | Watson 59 D [3] | Offy 252 | ||
| Federal Engineering | 22 | Federal Engineering | Bud Tingelstad | | 19 | 6 | Gerhardt 66 [h] | Offy 168 sc | ||
| Leader Card | 12 | Wynn's | Chuck Hulse | | 8 | 7 | Watson 62 D [4] | Offy 252 | ||
| Peter Salemi | 81 | Central Excavating | Bob Harkey | | 9 | 8 | Gerhardt 65 [003] | Offy 252 | ||
| Agajanian | 98 | Agajanian REV 500 | Dick Atkins | | 21 | 9 | JP Shrike 66 [a] | Offy 168 sc | ||
| Walter Flynn | 35 | Enterprise Machine | Ralph Liguori | | 24 | 10 | Flynn 64 D [1] | Offy 252 | ||
| AJ Foyt | 82 | Sheraton-Thompson | George Snider | | 13 | 11 | Lotus 38 [2] | Ford DOHC | ||
| Leader Card | 95 | Leader Card | Arnie Knepper | | 16 | 12 | Watson 63 FE [7] | Offy 252 | ||
| Ken Brenn | 24 | Ken Brenn | Wally Dallenbach | | 10 | 13 | Meskowski 62 D [9] | Offy 252 | ||
| Myron Caves | 85 | Caves Buick | Al Miller | | 23 | 14 | Gerhardt 66 [c] | Offy 168 sc | ||
| Dayton-Walther | 25 | Dayton-Walther | Carl Williams | | 18 | 15 | Watson 62 FE [1] | Offy 252 | ||
| J Frank Harrison | 96 | J Frank Harrison | Ronnie Duman | | 17 | 16 | Eisert 65 [2] | Chevy 305 V8 | ||
| Bob Lesko | 70 | Bob Lesko | Al Smith | | 22 | 17 | Turner 62 D [2] | Chevy 305 V8 | ||
| Joe Barzda | 80 | California Speed Shop | Bruce Jacobi | | 14 | 18 | Halibrand Shrike 64 | Offy 252 | ||
| Leader Card | 86 | Leader Card | Bobby Unser | | 12 | 19 | Watson 66 [2] | Offy 252 | ||
| Jim Robbins | 27 | Jim Robbins | Billy Foster | | 5 | 20 | Vollstedt 66 [8] | Ford DOHC | ||
| Jim Robbins | 66 | Jim Robbins | Mario Andretti | | 20 | 21 | Vollstedt 65 [7] | Ford DOHC | ||
| John Zink | 3 | Zink-Urschel-Slick | Jim McElreath | | 7 | 22 | Moore BT12 | Ford DOHC | ||
| G.C.R. | 76 | G.C.R. | Art Pollard | | 15 | 23 | Gerhardt 66 [g] | Offy 168 sc | ||
| All American Racers | 29 | All American Racers | Lloyd Ruby | | 11 | 24 | Lotus 38 [3] | Ford DOHC | ||
| Dayton-Walther | 25 | Dayton-Walther | Jim McElreath | | relief | Watson 62 FE [1] | Offy 252 | |||
| AJ Foyt | 2 | Sheraton-Thompson | AJ Foyt | | DNS | Meskowski 63 D [11] | Offy 252 | |||
| AJ Foyt | 6 | Yamaha | Joe Leonard | | DNS | Eagle 66 [202] | Ford DOHC | |||
| All American Racers | 14 | Bardahl | Lloyd Ruby | | DNS | Eagle 66 [204] | Ford DOHC | |||
| American Eagle Racing | 61 | American Eagle Racing | Gary Bettenhausen | | DNS | Meskowski 60 D [5] | Offy 252 | |||
| Dean Racing | 1 | Dean Van Lines | Mario Andretti | | DNS | Hawk I [65-1] | Ford DOHC | |||
| Gordon Van Liew | 11 | Vita Fresh | Larry Dickson | | DNS | Huffaker 66 [b] | Offy 168 tc | |||
| Hollansworth | 42 | Hollansworth | John Hollansworth | | DNS | Salih 60 FE [2] | Offy 252 | |||
| Mel Nelson | 58 | Mel Nelson | Chuck Arnold | | DNS | Kurtis 500J FE [J119-59] | Offy 252 | |||
| Michner Racing | 34 | Michner Petroleum | Sam Sessions | | DNS | Lola T80 [c] | Ford DOHC | |||
| Richard Compton | 44 | Heger & Compton | Gig Stephens | | DNS | Vollstedt 63 [6] | Offy 252 | 16 | ||
| Stahl Brothers | 36 | Stahl Brothers | Bob King | | DNS | Kuzma 58 D [8] | Chevy 305 V8 | |||
| Stoye Racing | 97 | Stoye Racing | Ray Duckworth | | DNS | Stoye 63 D [1] | Offy 252 |
