It's either a new start,with all that he's learned from past mistakes, or he's hiding from his old company's bad reputation.   Datsun Parts is now California Datsun.   http://www.californiadatsun.com/engine/cylinder-heads/   He is putting his face out there though - http://www.californiadatsun.com/contact-owner-al-allen-of-california-datsun-inc.html   And two pages of only excellent reviews - http://www.californiadatsun.com/testimonials/