[Jim Hanig]

Originally Posted by Alan Roehrich

Were it mine, or a customer's, it would get a new cam and lifters. And the engine would come apart for a thorough inspection and cleaning, that DLC coating went somewhere.

If you want to run DLC coated tool steel lifters, run them against a steel core camshaft. If you want to run a cast iron core camshaft, run uncoated tool steel lifters.

Thanks Alan.