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Use regular in NA engine 850 1997

posted by  Ken Temkin on  Sun Jun 23 16:00 CST 2002
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last visit: Wed Oct 22 12:06 CST 2014
[RELATED]

I think that your answer agrees with my point.

Higher octane fuels DO NOT burn at a slower RATE. Both low, and high, octane fuels burn at the SAME RATE.

Where they differ is their "auto-ignition" energy. The amount of energy (either thermally induced, or induced with pressure) required to initiate combustion is higher in higher octane fuels.

I think that your first post, which talked about the "rate" of combustion, was incorrect. This last post, which talks about "retard[ing] the combustion point" is correct.

I just wanted to clarify this because, as you say, there is a lot of urban legend about high octane fuels.

Thanks for your responses.

Ken






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