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junkyardjeff · 11-27-2020, 09:09 PM

When and if this all goes togather I have a 66 4 bbl intake that has the provision and the three threaded holes for that PCV system but the larger hole is not drilled so it will have to be machined.

11-27-2020, 09:09 PM	#29
junkyardjeff Senior Member Join Date: May 2010 Location: dayton Ohio Posts: 243	Re: PCV systems on the smallblocks When and if this all goes togather I have a 66 4 bbl intake that has the provision and the three threaded holes for that PCV system but the larger hole is not drilled so it will have to be machined.