SEE VIDEO LINK BELOW...I'm getting this Godawful sound from my engine. It doesn't do it cold but starts to happen after a few minutes of tilling, etc. It is accompanied by smoke and an unburned fuel smell. Reduced power as well. It has 1100 hrs and I just did a valve adjustment which did not fix it. Fuel filter has been gone through. I'll add that I tried to check exhaust and cylinder temps but that didn't show much difference. Its difficult getting a reading off the front cylinder as its so close to the collector.
Injectors? Pump?
Injectors? Pump?
