Olsen Motorsports is a specialized Porsche service, repair, and restoration facility located in the Chicago area, Downers Grove, IL. Built with passion, Olsen Motorsports is considered a trusted source. With deep backgrounds in all areas of Porsche from engine rebuilds, restoration, to customized creations. Our customers always receive Olsen Motorsports is a specialized Porsche service, repair, and restoration facility located in the Chicago area, Downers Grove, IL. Built with passion, Olsen Motorsports is considered a trusted source. With deep backgrounds in all areas of Porsche from engine rebuilds, restoration, to customized creations. Our customers always receive the most attentive and outstanding results from experienced and knowledgeable specialists leading their field using Porsche factory diagnostic tools along with the most advanced equipment. ...more