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Weird PCV Valve?
https://www.slantsix.org/forum/viewtopic.php?t=47646		 Page 1 of 1
Author:  63valconvert [ Fri Jan 20, 2012 8:06 pm ]
Post subject:  Weird PCV Valve?
Hi All,

Just re-installed my rebuilt 225 today, and it looks great. Excited about getting everything going again.

One problem, of course, is that my engine guy got me a new valve cover, which looks a lot different than my old one. Where I once had a flat PCV port with a rubber grommet, that pretty much made it easy to remove the correct PCV valve from, now I have this:

Image

Basically, the PCV area now has a "neck" much like the breather/oil filler cap. Meanwhile, this thing looks pretty solid. Does the valve unscrew from this cap and I just can't see it? Or is this a "Cap and Valve" setup that I don't know about?

Thanks!
Author:  Fopar [ Fri Jan 20, 2012 8:42 pm ]
Post subject: 
That is the original PCV, look inside the big end you will see a hexnut. Unscrewing it will release the "U" shaped spring and the valve.

Richard
Author:  63valconvert [ Fri Jan 20, 2012 8:55 pm ]
Post subject:  Thanks!
Cool, ok. Something tells me that this is what PB Blaster was made for! I'll get to work in the morning on it.
Author:  SlantSixDan [ Fri Jan 20, 2012 9:29 pm ]
Post subject: 
That is a '61-'63 PCV valve. The brass elbow unscrews from the steel valve, which in turn comes apart for cleaning.
Author:  63valconvert [ Sat Jan 21, 2012 4:32 am ]
Post subject:  Thanks Again
So, this is not a "replaceable valve"? If it isn't replaceable, is it just something you clean and it continues to work?

Or, is this something that is replaceable with a different grommet/metal PCV?
Author:  SlantSixDan [ Sat Jan 21, 2012 7:19 am ]
Post subject: 
It is replaceable. You can install a new old stock '61-'63 valve (they work but they make noise), you can install a new old stock '64-'69 1-piece non-takeapart metal valve, or you can install a current-production all-plastic valve as described here.

(it sounds as if you previously had a '66-'69 valve cover, which has the ridges on top and the "chimney" up front for the oil cap, but a hole and grommet at the rear for a snap-in PCV valve)
Author:  63valconvert [ Sat Jan 21, 2012 7:45 am ]
Post subject:  Thanks Dan
Thanks again for the info, SSD. Thanks for the link. You're right, I did have a 66-69 valve cover before. I have a 68 and after head, so maybe it got on there when it was replaced ages ago.
Author:  SlantSixDan [ Sat Jan 21, 2012 8:26 am ]
Post subject: 
(If you have the choice, the '66-'69 valve cover's PCV setup is less hassle)
Author:  63valconvert [ Sat Jan 21, 2012 8:27 am ]
Post subject: 
Oh, I do agree with that. But my engine guy has the old one, and this one's freshly painted and looking good. I'll give this a shot.
Author:  63valconvert [ Mon Jan 23, 2012 4:06 pm ]
Post subject:  Thanks Dan
Thanks again, Dan, for the sandwich link. Not only does it look better than I thought, it tastes good too. :D
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