Austin McEneny scored 3:05 into overtime to lift the Spitfires over the Petes 5-4 in Peterborough Thursday night.
Logan Stanley and Aaron Luchuk each had two assists for the Spits.
Amherstburg native Michael DiPietro made 34 saves to pick up the win.
The Spitfires continue their road trip through eastern Ontario with a game in Ottawa Friday night.
AM800's coverage begins at 6:45pm.