Thread: Are they the same or different?
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Old 07-24-2016, 09:28 PM
mortten mortten is offline
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Join Date: Sep 2012
Location: Peninsula, Ohio
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Marvel Mystery Oil. It's an upper cylinder lubricant. My Dad used it in his airplane. Do a search on it here. You can get it at Walmart or parts stores. You can put it in the oil of fuel.
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