When 13-year-old Jett Zerk is zipping around the Port Lincoln go-kart track, hugging the corners, he has V8 Supercars in his sight — and not just in his dreams. Used tyres from V8 Supercars races are ...

Don't you just hate it when a go-cart track is so crammed into the available space that the course is little but a series of traffic-jam-inducing hairpin curves? Don't you hate it when at least one ...