Jack Steyer loved driving his classic cars in Beaverton’s parades throughout the years and, on Friday, his Ford Mustang made an appearance in honor of the former city councilman, who passed away at age 86 on July 1. Steyer served with the Beaverton Lions Club and the Planning Commission in addition to his year on the council. “If you knew Jack, often he projected a gruff demeanor. However, I do kn…