05-29-2006, 12:29 PM
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Hummer Veteran
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Join Date: May 2004
Posts: 233
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Re: premium unleaded
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Originally Posted by HUMTECH
The higher octane in premium fuel only raises the fuels resistance to burn which is why higher compression engines require higher octane. The higher octane value will decrease the chances of preignition(detonation) adds no advantages to A lower compression engine
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