US Formula A races 1965-1967
The SCCA created Formula A in 1965 to mimic the forthcoming 3-litre Formula 1 rules. In 1968, Formula A was modified to admit 5-litre stock block engines. F5000 was ultimately replaced by a new Single-Seat Can-Am for 1977.
US information has been taken from SCCA results sheets with additional information from Autoweek race reports and from some entry lists. Thanks to David McKinney and Wolfgang Klopfer for providing these. Identifying the classes and model of some entries has proved very difficult so all new information would be welcomed.
All comments, clarifications, corrections and additions are most welcome. Please email Allen if you can add anything.