Yes Basil Storey was editor of the Gazette in those 1940s when Speedway came back from the War,
I was led to belejve it was the name used by eric Linden
Although not a "comic" strip as such I can remember The Flutters, a cartoon strip in the Daily Mirror at the same time as Buck Ryan, Jimpy and Garth.
The Flutters were a horse racing family and to get money for betting Bart Flutter had to take up Speedway