G'day all,
Yep, JB was something of a driver right enough; a Trove newspaper search using the term "john boundy" [including the quotes] turns up quite a few articles, apart from ads. As you might expect of a Spitfire pilot, with combat experience...
He was a competitor in at least one Redex Trial, in 1954;
https://trove.nla.gov.au/newspaper/article/201195038And his Armstrong Sapphire 'daily driver' car, the same one he drove in the Redex Trial, was pretty quick, by 1950s standards at least;
https://trove.nla.gov.au/newspaper/article/132053768He did get done as at fault for a crash though;
https://trove.nla.gov.au/newspaper/article/218514500