Date: Mon, 10 Feb 2003 15:21:21 GMT
From: "pablo" <pabloNnopsamsimplyhombre.net>
Subject: Gas Grade Question


Could anyone tell me where to find information about the "AON" method Saab seems to use when talking about fuel grade requirements? A sticker in my car claims I need to use 93 AON, but in California it's (R+M)/2 everywhere, and one can only find 91 grade as premium fuel anyway. The question is - are AON and (R+M)/2 significantly different, and is the fact we are forced to use 91 grade here in CA negatively affecting performance and engine integrity of our Saabs? ...pablo

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