While Canadian Automobile Competition Corporation (CACC) had considered entering the race, due to time and cost, they decided to form the Canadian Can-Am series instead.
André Dubonnet of France was the first to join the series in 1955. The Canadians, on the other hand, fielded 11 cars.
In 1956, the series renamed itself the Can-Am and Canadian Champion Du Pont defeated Chevrolet driver Frank Kurtis in the first race. The first race was staged at the Riverside International Raceway in Connecticut on 1 September 1956.
The 1954 race year was the first year in which a modified front suspension system was used, with each car using a solid front suspension system. Front suspensions were used in the Can-Am series from 1956 to 1958 and again in 1960 to 1963. In the latter years, most teams were using independent front suspension setups that were in vogue at the time.
The Canadian track record for an all-time race held by Bentley L-M in an ERA Jaguar (later sold to Holman Moody) and an Abarth 1000 with Georg Loescher was set on 2 September 1955 by Vic Elford in the Abarth.
In 1956, the triple crown of automobile racing- the Indianapolis 500, the Trans-Am Series (now NASCAR), and the Can Am- was opened up to racing.
In 1957, American Walter Christie (3rd place in the Indy 500) became the first driver in Can Am history to successfully complete the triple crown. Christie won the Can Am as well as the Trans Am series and the Indy 500.
Other triple crown winners included Bruce McLaren, who won all three in 1962 and 1963 and the Brabham brothers (John, Jack, and David), who won all three in 1960, 1961, and 1962.
David Brabham and Phil Hill became the first Can Am champion after winning the 12 and 6 event seasons respectively.
In 1963, John Surtees became the first driver to successfully defend his championship, winning the 12 event season for the 0b46394aab