What year did a speedway club return to a stadium that was built as a football ground?
Barrow Bombers:  Speedway returned to Barrow in 1972 back at Holker Street when the former Romford Bombers promotion who started the season at the West Ham Stadium in London moved the team north. Holker Street:  Currently and originally used as a football ground, it has also previously been used for speedways races.
i don't know