In 1929, Davis finished second overall, and class winner, in the Brooklands Double Twelve on a 4,398 c.c. Bentley [REF].
On 15 April 1937, Davis drove a Frazer-Nash BMW round Brooklands, covering more than in an hour, at an average speed of [REF] The same year, his Wolseley earned "a special award for being the best-equipped car to finish" [REF].