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Chevrolet Master
53,816 Answers
- Posted on Apr 10, 2014
Re: acceleration noise engine
If the noise sounds like nuts in a tin can rattling around then it will be detonation . It is spontaneous combustion from air /fuel mixture that is to lean and timing out of adjustment ( normally too far advanced). If it is heavy knocks that is same as engine rpm increase the it may be bearings.
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