Send your cam and whatever lifters you choose to
www.machdevelopment.com They can set you up with reasonably priced "hydraulic" lifters. They will coat the cam and lifters with a proprietary coating. They have tested successfully coatings on these parts using race stocker springs and engine at idle on initial start up with no wear.
Sorry about your problem, but if it makes you feel better, your not the only one with this problem. Take the engine COMPLETELY apart. Trust me, I learned that one the hard way after a Schubeck lifter exploded on me. Thought a pan drop and a good cleaning would suffice...wrong!