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Originally Posted by mrach21061
My compression meter looks like "Normal Engine" but I run at 14 in Hg at idle so it looks more like "POOR RINGS". Does anyone know what normal readings are for this engine?
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You have a 30 point spread between yoru highest and lowest. That is enough to be concerned.
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POOR RINGS: motor idling, hand reading steadily, but 2-4 points lower than normal.This may also indicate poor or contaminated engine oil.
Also, Contaminated engine oil? WTF is that going to do? I suppose I can try changing the oil. I didnt do it since it came from the shop with the oil in it now.
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If a engine runs rich, gasoline falls into the oil pan and thins the oil and lowers compression...
Don't panic. Just change the oil.
