1966 Springfield Indycars is 135th USAC race. Passed at the Springfield circuit. Don Branson won the pole position and this race. Mario Andretti and AJ Foyt jr also climbed to the podium, in second and third place. Race distance 100 laps (161 km).
Previous race:
1966 Langhorne Indycars
Next race:
1966 Milwaukee Indycars
Race Start:
20th August 1966
22nd victory for the Leader Card Racers team
5th victory for the Don Branson
24th podium for the Don Branson
16th podium for the Mario Andretti
56th podium for the AJ Foyt jr
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Offenhauser L4 4.5