Originally Posted by
Lille-bror
My first thought: You are running a too cold plug or old Novarossi plugs (+1 year old)? Try a brand new C5 or C6 plug or even a O'Donnell 77T plug.
Dont know about the rod and crankshaft pin
I was running a brand new P3, but the engine was a 2nd hand unit so don't know what people have been running before..
I'm just trying to evaluate whether this engine "has had it" or not.