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**AussieinNC** · 09-12-2017, 05:47 PM

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...

09-12-2017, 05:47 PM	#15
AussieinNC Moderator Join Date: Jun 2017 Location: Cherryville, NC Posts: 2,155	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...