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I have noticed some differences with the OEM valve covers, The orange Ford parts catalog clearly shows the passenger side valve cover having a grommet and a plastic elbow connected to the air cleaner via a hose. On the driver's side the illustration shows a metal fitting with a grommet accommodating the pvc valve. My concern here is that despite what the illustration shows, I have seen this metal fitting outfitted on the passenger side valve cover. Was this variation something that occurred in normal production?

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Hi, and don't get me wrong, I appreciate you trying to help, but the information I'm looking for is only regarding original valve covers and the ports/openings and fittings originally used.with them.

On Sunday, January 5, 2025 at 10:02:52 PM EST, The De Tomaso Forums <alerts@crowdstack.com> wrote:

[New Reply] Stock valve cover questions.
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New Reply By jfb05177
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| Stock valve cover questions.Reply by jfb05177
I looked for that little elbow that attaches to the breather filter (on the air filter), I only found NOS on ebay for $80, thus I cobbled up something


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My 1972 car is stock and looking from the back of the car forward, the right hand side valve cover has a oil filler cap with rubber grummet with a 90° plastic elbow and a hose that goes to the right side of the air cleaner housing. The connector there is the small filter piece with its tube sticking out of and located inside the air filter base plate/ housing



The left hand side valve cover has a rubber grummet with a straight PCV valve and a formed hose going to the front side base of the carburetor vacuum pipe/ inlet. So air is coming into the engine from the right and exiting the left side into the intake manifold at the carb. base plate.  I am far from an expert but just reporting on my stock set up..

Last edited by Dan A.

Thanks Dan for your topic related reply! One of my cars is also a 72, but believe it probably is a bit earlier than yours.  I say this because the covers and fittings on mine  coincide to what is shown for a 1971 in the orange ford parts manual. Apparently  ford changed this set up to what you have and what is also correct for my two 74 cars. Thinking this change was brought about having to do with the new federal emission standards.

Curious what that part number is?

On Monday, January 6, 2025 at 05:15:25 PM EST, The De Tomaso Forums <alerts@crowdstack.com> wrote:

[New Reply] Stock valve cover questions.
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New Reply By Dan A.DA
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| Stock valve cover questions.DAReply by Dan A.
My car is later 72 with mix of L modifications and pre L bumpers. It was just missing the formed hose from the PCV valve to carb base. Found the correct Ford part  but still had a bit of tweaking to get it to fit.

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