The following season, Columbus was defeated by the Port Arthur West End Bruins. After the series, Lewicki was invited to join the Bruins as they continued in junior series playoffs. The Bruins defeated Winnipeg to advance to the Western title series against Lethbridge, Alberta. Port Arthur and Lethbridge were tied 3–3 in a best-of-seven series. Lethbridge refused to play the seventh game in Port Arthur and the game was moved to Toronto's Maple Leaf Gardens. The large ice surface favoured the Bruins and they defeated Lethbridge 11–1 to advance to the 1948 Memorial Cup final against the Barrie Flyers. The Bruins defeated the Flyers in four straight to win the Cup and Lewicki scored the series-winning goal. The club had an impressive array of talent. Eight players from the Bruins would go on to play in the NHL. Lewicki was the top scorer in the playoffs, recording 40 points.