The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Any idea on what this knocking is 72 C20 350

**AussieinNC** · 09-12-2017, 07:56 PM

Yep...start with the easiest things to access

Then work deeper...

Been doing this for over 50 years now...

09-12-2017, 07:56 PM	#21
AussieinNC Moderator Join Date: Jun 2017 Location: Cherryville, NC Posts: 2,155	Re: Any idea on what this knocking is 72 C20 350 Yep...start with the easiest things to access Then work deeper... Been doing this for over 50 years now...