Which fuel grade is best for 2006 Malibu?

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Which fuel grade is best for 2006 Malibu? - 7/25/2007 5:00:57 PM    leshan   Posts: 10 Joined: 5/10/2007 Status: offline Manual says 87 octane or higher. I have read that if engines with compression ratios of 9.3 : 1 or less will safely operate with unleaded 87 octane fuel. Engines with higher compression ratios usually require higher octane fuels. As www.msn.com data, the 2004-2006 Malibu LT 3.5L V6 compression ratios is 9.8:1. Do we need to use 89 octane or even 93 octane? Post #: 1

RE: Which fuel grade is best for 2006 Malibu? - 7/26/2007 6:10:54 PM    axe9   Posts: 7 Joined: 6/14/2007 Status: offline I would follow the manual. it can't hurt anything in the car to use a higher octane, only thing it hurts is your wallet. (in reply to leshan) Post #: 2

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