Thread: What octane to use
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Old 05-11-2008, 07:31 PM   #1 (permalink)
lukesforester
 
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Default What octane to use
Hey i just got my forester, I've heard there 10:1 compression ratio.
To me that seems high so would i get better mpg and or better performance from higher octane gas, 89,91 or even ultra94... i work at sunoco lol
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