Conestoga Diesel Injection located in Pa. Mell or his wife Suzy are the ones to talk with. Mel is a long time member of this form and held the first idi meet many years ago. On the west coast its Russ aka typ4 who is famous for the typ4 torquer cam many are enjoying. Now please read the Hall of Shame forum for ebay sellers that cause many heart aches to people that have bought anything from them. There are some shops selling painted injection pumps are rebuilt. they run them and see if the squirt fuell. then they paint them to cover the rust and dirt and sell sheap to unsuspecting buyers. Never buy a painted pump. Its painted for a damn good reason..