The Race::2008 St. Eustache 100 was a Serie ACT-Castrol held at Track::Autodrome St. Eustache on May 18, 2008. It was the season opener. Defending series champ Patrick Laperle, who had graduated to the ACT Late Model Tour in 2008, returned to the series and grabbed another victory. Making the decisive pass of Steven Boissonneault at the halfway point, Laperle went onto an impressive nine-second victory over Boissonneault.