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I am rebuilding a double overhead V-6 engine and have noticed wear on the bucket cam followers and would like to know if anyone has had a good result with DLC coatings applied to the cams and or followers?

There are 24 bucket tappets on this V-6 Lancia Stratos engine. The 4 cams contact the buckets to open the valves. Clearance is achieved with lash caps that fit on the end of the valves. I recently had the bucket faces ground and now will need to have them heat treated. I have been told that...

What should be the Rockwell hardness of shim under cam bucket tappets on an overhead valve engine. I had mine checked and they went from the Rockwell C scale at 40 to 50.

This engine is made up of parts I bought that were from a factory Stratos 4 valve rally race engine. Most of the parts had never been used, the cams and the 44 IDF-27 Webers had been used. My problems started when the cam carriers, which were new, had an oil hole in the wrong location at one...

I am restoring a 1974 Lancia Stratos factory race engine based on a Ferrari V6 engine. This engine has 4 valves/cylinder and 4 overhead cams. Displacement 2470cc with 10.5 compression. Horsepower around 300 at 8,700 RPM. My question is this, the original cams the intake opened at 38 degrees...