Bignotti also found success as a team owner, co-owning entries in the early 1960s with Bob Bowes and in the 1980s with Dan Cotter and earning multiple race victories, including two Indianapolis 500s.

[6] For 1966, Bignotti served as chief mechanic for the team run by oil magnate John W. Mecom Jr. for the Indianapolis 500.

Graham Hill won the race for the team, while teammate Jackie Stewart led the most laps before dropping out with a mechanical failure.

Serving as chief mechanic for Al Unser, Bignotti won the 1970 and 1971 Indianapolis 500 as well as the 1970 USAC Championship, winning ten races during the season and equaling the feat achieved by himself and Foyt in 1964.

[3][7] Bignotti joined forces with Patrick Racing beginning in 1973, finding success with driver Gordon Johncock with victory in the 1973 Indianapolis 500 and the 1976 USAC Championship.

[5] In the early 1980s, Bignotti co-owned a team again, joining forces with True Value CEO Dan Cotter to form Bignotti-Cotter Racing.