Anyone drive on 90 octane? - Saab 9-3SS Bulletin Board - Saabnet.com
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Anyone drive on 90 octane?
Posted by Sam52 (more from Sam52) on Fri, 15 Feb 2008 19:28:13
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In the winter, the octane requirement is a bit less. When it's cold and if there's snow, I drive cautiously. As a result, in the winter, I use 90 octane gas. 90 octane isn't sold. 89 is. 89 is the most expensive per octane so I just mix premium and 87 to get 90.0 to 90.2. I just keep a running tally at home and when it's close to buying gas, I figure "I need to put in 3 gallons of 87 and the rest 92." or similar.
Anyone else acts like a idiot (like me) by calculating the octane so that they are driving on 90? (equivalent to about 95 in Europe except 95 is sold there, no mixing needed).
posted by 71.227.16...
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