Doc's Auto Clinic. Doc has been in the practice of healing ailing Nissan / Datsun Z Cars and 510s for over thirty years. He specializes in Datsun and Nissan cars like the 240Z, 260Z, 280Z and 280ZX, 300Z and 300ZX, and the 510. He loves helping everybody interested in keeping their Z Car looking and feeling their best. Whether it is a Fairlady or a Bluebird or a Nissan Truck or and Infiniti, Doc can make your car healthy and happy. Take a look around the site and drop us an email with your Datsun / Nissan questions. Doc Kanarowski is good medicine for your Z-car, 510, Maxima, or even your Q45.