Veteran Drew Marlatt topped all scorers for Blenheim with two goals and two assists.
Rookie Lucas Fancy also had a strong night, scoring twice and adding an assist.
Ryan Malott, and John Montgomery also scored, while Dede Cato had a goal and two assists.
Nick Delyzer, Brayden Seliga, and Christian Moccia each had two assists.
Scoring for Wallaceburg were Ryan MacAlpine, Matt Brevetti, and Elijah Contreras.