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Old 09-13-2007, 12:22 PM
brewtoo brewtoo is offline
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Quote:
Originally Posted by juribe2 View Post
It's not about temperature. It's about compression. Higher octane means it needs more compression to ignite without a spark (pre-ignite).
Higher temperature is caused by Higher pressure. That's how diesel engines work.

They compress the fuel until it is hot enough to ignite. So really, it is about temperature.
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