Joel Gooch, Owner and Operator of J&H Diesel J&H is your diesel truck repair and parts specialist in Northern California. J&H Performance is dedicated to providing you with excellent customer service and quality performance parts. Founded by Joel Gooch - Owner OperatorJoel attended Shasta College where he studied Diesel Technology. He has worked for many independent Ford and Dodge Shops and also worked for a Chrysler Dealership for 12 years. His hobbies include Snowmobiles, Water Skiing, and ...