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Old 07-30-2009, 12:13 AM   #26 (permalink)
ih freak
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Originally Posted by tjts1 View Post
I have a 96 volvo 850 wagon with 195k miles on the odometer. The owner's manual calls for at least 91 octane. I run it on 87 octane almost exclusively after testing every octane I could find repeatedly over multiple fill ups. There is no difference in power and a slight improvement in fuel economy with 87 octane. If you 95 volvo stalls on 87 octane, there is something else wrong with your car. Probably the thermostatic intake mechanism.
Is your 850 turbo or non-turbo? Mine is the non-turbo. I love the car though...300 thousand miles and still ticking.
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