 Through 1962–63 McLean managed nineteen wins out of twenty-two starts, racing the Cooper at venues from Westwood to Monterey, California.In 1964 McLean moved to a 1.6 litre twin-cam powered Lotus 23B, with which he competed in the under two-litre class.In 1965, McLean set out with his Lotus to conquer the Canadian Driving Championships, a venture which would see him travel extensively.