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Old 08-22-2011, 03:19 PM   #9 (permalink)
CigaR007
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Quote:
Originally Posted by Nerys View Post
Hmmm what would cause pre ignition?

If the temperature of the air/fuel mixture entering the cylinder is already quite high, it will be further increased during the compression cycle, meaning there is a risk of pre-ignition; or the mixture igniting itself (compression = heat) without the need of the spark plug; which is bad.

Somebody correct me if I am wrong.
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