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Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!

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Old 04-18-2005, 05:24 PM   #1
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Join Date: Jan 2005
Location: Grand Rapids, Mi
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Car: 1991 Z28
Engine: 357
Transmission: T-56 waiting to go in!
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Spark Knock...what does it sound like?

well ive been hearing a strange noise from my motor. when idling it has a kind of a miss maybe, i dont know to describe it other than saying it sounds like it is missing. then also when i let off the gas while driving and start to coast ill hear a kind of tin cannish sound until i push the gas again. Mind you i am running open headers right now with turndowns. It seems to run fine, however, just cant figure out this noise....
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Old 04-18-2005, 06:16 PM   #2
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Car: '83 Z28, '07 Charger SRT8
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It sounds like gravel being shaken in a glass jar.
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Old 04-19-2005, 02:02 AM   #3
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best way I can describe it is it sounds like the motor hampsters get pissed off and bring out there hammers are start banging my cylinder walls
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Old 04-19-2005, 06:09 PM   #4
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Sounds like more of a slight rattle than an actual knock.
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Old 04-19-2005, 06:09 PM
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