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aigel aigel is online now
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Join Date: Mar 2003
Location: L.A.-> SF Bay Area
Posts: 14,891
Garage
Describe the noise. Is it a tin sound like a can getting hit with a spoon? Then it is pre-ignition. Could be ignition related as well, if higher octane doesn't clear it up. You should not run it like this for long - you may get some broken rings from it ....

George
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Old 06-15-2009, 09:04 PM
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