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2009 mercury 20hp 4 stroke not running right
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<blockquote data-quote="airshot" data-source="post: 498326" data-attributes="member: 1183"><p>Many of the premium grades of fuel have cleaning additives added to there fuels. NO and Shell are two that I know for sure. But for the extra price of premium fuel you could add your own and you might get better performance! </p><p>Both my wifes and my suv's get worse mpg with premium fuels, had to use them some time back as our local stations had no regular for about a month. Do what you feel in necessary, but any performance mechanic will tell you not to expect better performance using premium when an engine is designed for regular...</p></blockquote><p></p>
[QUOTE="airshot, post: 498326, member: 1183"] Many of the premium grades of fuel have cleaning additives added to there fuels. NO and Shell are two that I know for sure. But for the extra price of premium fuel you could add your own and you might get better performance! Both my wifes and my suv's get worse mpg with premium fuels, had to use them some time back as our local stations had no regular for about a month. Do what you feel in necessary, but any performance mechanic will tell you not to expect better performance using premium when an engine is designed for regular... [/QUOTE]
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2009 mercury 20hp 4 stroke not running right
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