“In Australia, you’ve got several options; cricket, you have football, you have cars, and my dad was a car racer back in the day,” says Jason Humble. “So I was fairly blessed as a kid—I got to spend a lot of time at the race track.”

When it finally came to owning and running his own race car, Humble had fallen in love with small, revvy, mighty, rotary-powered Mazdas"