Re: gasoline Octane

Posted by BDM on December 23, 2006 at 12:07:42 from (68.42.207.131):

In Reply to: gasoline Octane posted by Vette on December 23, 2006 at 11:03:55:

Higher octane ratings raise the temp point at which the fuel will ignite. Hence the higher the compression, the higher the chamber heat. There is really no advantage to using higher octane fuels if your engine doesn't require it. It can even hurt performance in cold weather as when starting(fuel density also plays into this, hence winter & summer gasoline).

If the compression ratio is stock or not far off, your wasting your money.

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