I have a 1940 Champion. I know the engine is not original as it has a 1948 Distributor and 14 MM Plugs. What I am confused about is that the engine number stamping (Left front on engine) shows 728 729, This would make the engine a 1952? Ok, But the oil filler tube is in the of the rear left side of the engine like earlier champ engines. Was hoping someone could shed some light on what year this engine might be. Thanks for any help/
Dennis
Dennis
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