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Old 05-05-2010, 10:37 PM
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Iflyglow
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Default RE: Using synthetic motor oil in engines.

I agree that you want to run it dry first. Some YS guys use MOBIL 1 0-20 for a after run oil, since it does not attack Silicone at all. I also use it in YS's and have had no trouble at all. I never have problems with rust in my engines.