Scarey Problem w/300 KQ
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Scarey Problem w/300 KQ
About the only thing I could think of is a wrist pin or con rod bearing. Easy enough to check. When it does it pull the plug and turn the engine over. If it still drags, it's going to be a bearing, stick a fork in you, your done.
Guess it could be something in the valve gear, but if it drags as bad as you say, I vote for a internal bearing.
Guess it could be something in the valve gear, but if it drags as bad as you say, I vote for a internal bearing.
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