When you first meet Walt MacKay, you are struck by what a quiet, modest man he is. Currently, he runs a shop repairing, restoring, and preparing vintage racecars, usually Porsches. Once you dig a little deeper into his background, however, you find a more than merely competent racecar driver, one who not only drove for the famous Canadian team Comstock Racing, but who also constructed and raced his own Group Seven racecar, the Chevrolet Astur. He still competes on the…

MacKay decided to build his own Group 7 car, and here he’s seen at the wheel of that Chevrolet-powered Astur chassis.