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geezer#99 · 09-12-2017, 02:13 PM

POp off the valve covers.
You might get lucky and it's only a broken rocker.
Sounds like a push rod rattling.

09-12-2017, 02:13 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,512	Re: Any idea on what this knocking is 72 C20 350 POp off the valve covers. You might get lucky and it's only a broken rocker. Sounds like a push rod rattling.