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Does anyone recognize this noise? It is coming from somewhere around the crankshaft end or oil pump. I have been trying to find the source for some months now. New vibration damper, restored belt tensioner ball bearings, rebuilt supercharger, new bypass valve, no exhaust or inlet leaks.
The sound appears after 60 seconds in the movie. It is only heard during heavy acceleration with warm engine @ 3000 rpm upwards.