Butch, In addition to what Steve Dold said, I would add that you have changed the cooling method from what was designed. You could very well be messing up the engine by making some cylinders run too hot and others too cold with your change - oil temperature is an average for the engine. Perhaps you are just cooling the oil sump but cooking the cylinders. Without instrumenting all cylinders with CHT and EGT, it's impossible to say what you have done. My engine never runs over 180 in the hottest weather with standard baffling.
Have you checked calibration of the gauge and bulb? David N6359V Butch Howard wrote: > > My engine always ran hot by my standards so I removed that cover on the > bottom of the bottom cowl, reinforced the opening with a narrow piece of > aluminum,and now it stays 180 to 200 a better tempature range, So is there > a problem with flying with that cover off. Butchoward 2134H
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