hi there need some help
the guy rebuilding my engine has looked at the exhaust valves and says that they have a black coating on them (almost like a chrome??)
and on the back of the valve heads its started to brake up a little ?
anyone shed some light on what it is or if it should be on there
the guy rebuilding my engine has looked at the exhaust valves and says that they have a black coating on them (almost like a chrome??)
and on the back of the valve heads its started to brake up a little ?
anyone shed some light on what it is or if it should be on there