| series | Champcar complete |
| team | Retzloff Racing |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1967 | Milwaukee | 5 | Retzloff Chemical | Al Unser |  | 9 | 19 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Langhorne | 5 | Retzloff Chemical | Al Unser | | 1 | 2 | Lola T92 [SL-92-06] | Ford DOHC | 53 | |
| 1967 | Mosport | 5 | Retzloff Chemical | Al Unser | | 6 | 6 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Mosport /b | 5 | Retzloff Chemical | Al Unser | | 6 | 5 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Indy Raceway Park | 5 | Retzloff Chemical | Al Unser | | 3 | 2 | Lola T92 [SL-92-04] | Ford DOHC | 10 | |
| 1967 | Langhorne II | 5 | Retzloff Chemical | Al Unser | | 10 | 22 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | St Jovite | 5 | Retzloff Chemical | Al Unser | | 12 | 5 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | St Jovite /b | 5 | Retzloff Chemical | Al Unser | | 5 | 5 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Springfield | 5 | Retzloff Chemical | Al Unser | | 6 | 11 | Dunlop 64 D [1] | Offy 252 | ||
| 1967 | Milwaukee II | 5 | Retzloff Chemical | Al Unser | | 8 | 2 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | DuQuoin | 5 | Retzloff Chemical | Al Unser | | 9 | 9 | Dunlop 64 D [1] | Offy 252 | ||
| 1967 | Indy Hoosier | 5 | Retzloff Chemical | Al Unser | | 6 | 3 | Dunlop 64 D [1] | Offy 252 | ||
| 1967 | Trenton II | 5 | Retzloff Chemical | Al Unser | | 4 | 11 | Lola T92 [SL-92-04] | Ford DOHC | 101 | |
| 1967 | Sacramento | 5 | Retzloff Chemical | Al Unser | | 8 | 14 | Dunlop 64 D [1] | Offy 252 | ||
| 1967 | Hanford | 5 | Retzloff Chemical | Al Unser | | 3 | 25 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Phoenix II | 5 | Retzloff Chemical | Al Unser | | 3 | 2 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Riverside | 5 | Retzloff Chemical | Al Unser | | 14 | 12 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1967 | Riverside | 24 | Bowes Seal Fast | John Surtees |  | 4 | 20 | Lola T92 [SL-92-05] | Ford DOHC | ||
| 1968 | Hanford | 5 | Retzloff Chemical | Al Unser | | 9 | 2 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Las Vegas | 5 | Retzloff Chemical | Al Unser | | 4 | 14 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Phoenix | 5 | Retzloff Chemical | Al Unser | | 7 | 16 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Trenton | 5 | Retzloff Chemical | Al Unser | | 6 | 17 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Indy 500 | 24 | Retzloff Chemical | Al Unser | | 6 | 26 | Lola T150 4WD [SL-150-01] | Ford DOHC tc | ||
| 1968 | Indy 500 | 5 | Retzloff Chemical | Al Unser | | DNS | Lola T150 [SL-150-02] | Ford DOHC | |||
| 1968 | Indy 500 | 5 | Retzloff Chemical | Carl Williams | | DNS | Lola T150 [SL-150-02] | Ford DOHC | |||
| 1968 | Milwaukee | 5 | Retzloff Chemical | Al Unser | | 12 | 3 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Mosport | 5 | Retzloff Chemical | Al Unser | | 5 | 4 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Mosport /b | 5 | Retzloff Chemical | Al Unser | | 4 | 5 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Langhorne | 5 | Retzloff Chemical | Al Unser | | 8 | 12 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Castle Rock | 5 | Retzloff Chemical | Al Unser | | 10 | 4 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Nazareth | 5 | Retzloff Chemical | Al Unser | | 2 | 1 | Dunlop 64 D [1] | Offy 252 | 89 | |
| 1968 | Indy Raceway Park | 5 | Retzloff Chemical | Al Unser | | 5 | 1 | Lola T150 4WD [SL-150-02] | Ford DOHC | 22 | |
| 1968 | Indy Raceway Park /b | 5 | Retzloff Chemical | Al Unser | | 1 | 1 | Lola T150 4WD [SL-150-02] | Ford DOHC | 40 | |
| 1968 | Langhorne II | 5 | Retzloff Chemical | Al Unser | | 6 | 1 | Lola T92 [SL-92-04] | Ford DOHC | 72 | |
| 1968 | Langhorne II /b | 5 | Retzloff Chemical | Al Unser | | 1 | 1 | Lola T92 [SL-92-04] | Ford DOHC | 100 | |
| 1968 | St Jovite | 5 | Retzloff Chemical | Al Unser | | 2 | 9 | Lola T150 4WD [SL-150-02] | Ford DOHC | 12 | |
| 1968 | St Jovite /b | 5 | Retzloff Chemical | Al Unser | | 8 | 15 | Lola T150 4WD [SL-150-02] | Ford DOHC | ||
| 1968 | Springfield | 5 | Retzloff Chemical | Al Unser | | 1 | 12 | Dunlop 64 D [1] | Offy 252 | 1 | |
| 1968 | Milwaukee II | 5 | Retzloff Chemical | Al Unser | | 5 | 3 | Lola T150 4WD [SL-150-02] | Ford DOHC | 37 | |
| 1968 | DuQuoin | 5 | Retzloff Chemical | Al Unser | | 1 | 7 | Dunlop 64 D [1] | Offy 252 | ||
| 1968 | Indy Hoosier | 5 | Retzloff Chemical | Al Unser | | 2 | 15 | Dunlop 64 D [1] | Offy 252 | 18 | |
| 1968 | Trenton II | 5 | Retzloff Chemical | Al Unser | | 1 | 22 | Lola T150 4WD [SL-150-02] | Ford DOHC tc | 7 | |
| 1968 | Sacramento | 5 | Retzloff Chemical | Al Unser | | 11 | 3 | Dunlop 64 D [1] | Offy 252 | ||
| 1968 | Michigan | 24 | Retzloff Chemical | Art Pollard | | 14 | 6 | Lola T92 [SL-92-04] | Ford DOHC tc | ||
| 1968 | Michigan | 5 | Retzloff Chemical | Al Unser | | 7 | 18 | Lola T150 4WD [SL-150-02] | Ford DOHC tc | ||
| 1968 | Michigan | 24 | Retzloff Chemical | Al Unser | | relief | Lola T92 [SL-92-04] | Ford DOHC tc | |||
| 1968 | Hanford II | 5 | Retzloff Chemical | Al Unser | | 6 | 15 | Lola T150 4WD [SL-150-02] | Ford DOHC tc | ||
| 1968 | Hanford II | 24 | Retzloff Chemical | Carl Williams | | 14 | 19 | Lola T92 [SL-92-04] | Ford DOHC tc | ||
| 1968 | Phoenix II | 24 | Retzloff Chemical | Arnie Knepper | | 11 | 12 | Lola T92 [SL-92-04] | Ford DOHC tc | ||
| 1968 | Phoenix II | 5 | Retzloff Chemical | Al Unser | | 5 | 15 | Lola T150 4WD [SL-150-02] | Ford DOHC tc | 60 | |
| 1968 | Phoenix II | 24 | Retzloff Chemical | Al Unser | | relief | Lola T92 [SL-92-04] | Ford DOHC tc | |||
| 1968 | Riverside | 24 | Retzloff Chemical | Skip Scott | | 18 | 4 | Lola T92 [SL-92-04] | Ford DOHC | ||
| 1968 | Riverside | 5 | Retzloff Chemical | Al Unser | | 4 | 26 | Lola T150 4WD [SL-150-02] | Ford DOHC | ||
| 1968 | Riverside | 24 | Retzloff Chemical | Al Unser | | relief | Lola T92 [SL-92-04] | Ford DOHC |
54 entries
