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Old 03-16-2010, 11:47 PM   #7 (permalink)
MadisonMPG
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Join Date: Nov 2008
Location: Madison AL
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The Geo - '93 Geo Metro
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Quote:
Originally Posted by thatguitarguy View Post
It doesn't make sense to spend more money on higher octame fuel if your engine is not knocking, and definitely not if the manufacturer calls for lower octane.
I am not advocating using higher octane. I am asking: Does using higher then approved octane (Premium) shorten the life of an OBDII engine meant to run on 87 (Regular)?
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