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View Full Version : S13 SR20 PCV valve thread pitch?


jspaeth
05-08-2010, 05:39 PM
I have done some searching on the internet, but with no luck...

I am looking to block off the PCV valve port on the valve cover and the port on the intake manifold.

Does anyone know the size of the plug I would need (M? and what pitch)??

I know Russ (projectJDM) said somewhere that he always does the PCV-delete, so I am hoping he knows.

I am trying to avoid having to take them off and then borrow another car to drive to the hardware store to try out the fitting on different nuts to determine the size....

Thanks.

lok
05-08-2010, 06:04 PM
it is an npt or bspt fitting.

you can find it in the plumbing section at any hardware store.

take yours with you to confirm the size.

jspaeth
05-08-2010, 06:25 PM
it is an npt or bspt fitting.

you can find it in the plumbing section at any hardware store.

take yours with you to confirm the size.


I was trying to figure out before hand, like I said above, to avoid having to borrow a second car to go. Also, this would be good info to have in this post for people searching in the future, as it is not really "common knowledge".

Since the manifold and valve cover are both aluminum (I think?) I wanted to be dead sure I have the right size fitting so I don't strip anything....

japslapsilvia
05-09-2010, 12:12 PM
on the Valve cover its 3/8BSPT and the manifold is M12 1.5 IIRC. there is a "fittings" thread somwhere on here. im not 100%positive on the maifold part but i am on the Valve cover

jspaeth
05-11-2010, 11:16 PM
Thanks a lot man!