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Any idea on what this knocking is 72 C20 350
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09-12-2017, 05:47 PM
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AussieinNC
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Join Date: Jun 2017
Location: Cherryville, NC
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Re: Any idea on what this knocking is 72 C20 350
The rear rocker arm is not moving much at all...it is most likely a bad lifter or cam lobe gone...check the video where you have the rocker cover off...the rear rocker arm is not moving much at all...
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