PCV thread size? - Page 2 - Hyundai Genesis Forum
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post #21 of 48 Old 01-07-2018
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And just a follow up. I think it's technically a -10 AN ORB (O Ring Boss) sized thread but with a shoulder for it to seat into, can't confirm that but after more research I'm pretty sure it's that.
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post #22 of 48 Old 01-09-2018
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Either one would work. The Ebay one is from the same seller I got mine from, just a -8 instead. Only thing you need to do is have the area where the o ring is turned down to match the stock diameter and it'll bolt right in.
Thanks. Just wanted to make sure.
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post #23 of 48 Old 01-09-2018
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I am still unable to find a place who would machine the IM plug for me. The lowest price so far was $60 a piece from China and $20 if I buy 10+. Since nobody wants one and I don't wanna pay so much for a piece of metal, I think I'm just probably going to cap it unless it is possible to tap the existing hose nipple for another adapter if that makes sense. No biggie just didn't know that machine work is so damn expensive but for what it is, I can't justify paying even $60 for it.

I will get that Evo X adapter off eBay and shave the collar, so it can go in the valve cover. I already have a plan in mind LOL I will insert a bolt through the PCV adapter itself, lock it with a nut and insert the bolt in the drill so I can file evenly (hopefully) while it's spinning.

Sounds legit?
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post #24 of 48 Old 01-24-2018
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I also forgot to ask - what's the benefit of removing the PCV valve? While the valve is still in place, it's connected to IM with or w/o a catch can, the gases get sucked out with vacuum from IM but when you eliminate the connection with IM, remove the PCV valve what actually removes the gases then? For instance the setup below



How's this setup more efficient? Is it more for looks? What happens with all the pressure under the valve cover? I see a lot of EVO folks do this with their cars but I don't know if the same principal applies with our cars. I think EVO valve cover only has one nipple, which is the valve itself while our valve cover has 2 nipples... I'm just doubtful about this really and would appreciate if someone can explain.
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post #25 of 48 Old 01-24-2018
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If you produce a lot of bow by it will stop that from carboning up the intake. But it would be relying on blowby pressure, instead of intake vacuum, to pull the gasses and condensate out of the engine. No big deal if you do 3k mile oil changes I would say.

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post #26 of 48 Old 08-31-2018
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The thread is M16x1.0. I can 100% confirm as I've done what you're going to do
i am in the process of modifying my pcv as well ... this M16x1.0 thread, is that for the 2014 as well..?? I need to find this thread and go to a 1/2 inch hose barb ..

Last edited by 14GenCoupe2.0T; 08-31-2018 at 07:57 AM. Reason: Dated wrong
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post #27 of 48 Old 08-31-2018
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post #28 of 48 Old 09-01-2018
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i am in the process of modifying my pcv as well ... this M16x1.0 thread, is that for the 2014 as well..?? I need to find this thread and go to a 1/2 inch hose barb ..
It should be the same. There isn't anything different about the 2014s vs the 2013s minus the sound induction tube.
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post #29 of 48 Old 09-01-2018
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It should be the same. There isn't anything different about the 2014s vs the 2013s minus the sound induction tube.
That adaptor you got... the M16x1.0 to -8AN... where did you get it from..?? I am not having any luck getting the M16x1.0 to hose barb... EVERYTHING is M16x1.5 to hose barb... Let alone trying to find M16x1.0 to NPT then to hose barb....
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post #30 of 48 Old 09-01-2018
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It should be the same. There isn't anything different about the 2014s vs the 2013s minus the sound induction tube.
That adaptor you got... the M16x1.0 to -8AN... where did you get it from..?? I am not having any luck getting the M16x1.0 to hose barb... EVERYTHING is M16x1.5 to hose barb... Let alone trying to find M16x1.0 to NPT then to hose barb....
Search eBay for "Evo X PCV" and you'll see them with AN fittings. You will have to have the diameter with the o ring turned down to match factory size and then it'll work perfectly.
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post #31 of 48 Old 09-01-2018
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Search eBay for "Evo X PCV" and you'll see them with AN fittings. You will have to have the diameter with the o ring turned down to match factory size and then it'll work perfectly.
So i found your fitting ... and i also found this:
https://www.driven-fabrication.com/p...delete-fitting
Assuming its an open straight thru fitting that resembles our pcv valve...?? If its right, good, but $35...??
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Search eBay for "Evo X PCV" and you'll see them with AN fittings. You will have to have the diameter with the o ring turned down to match factory size and then it'll work perfectly.
So i found your fitting ... and i also found this:
https://www.driven-fabrication.com/p...delete-fitting
Assuming its an open straight thru fitting that resembles our pcv valve...?? If its right, good, but $35...??
And you'll probably have to turn that one down as well. $35 seems reasonable for something that's machined from aluminum and not mass produced.
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post #33 of 48 Old 09-01-2018
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Here is a 16mm-1.5 x -12an.



https://fastfittings.com/collections...=8943916777561

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Won't fit. Need m16x1.0.
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And you'll probably have to turn that one down as well. $35 seems reasonable for something that's machined from aluminum and not mass produced.
The only downside to this fitting is that its only a 3/8 inch exit... And the valve cover breather is 1/2 inch... So its not really balanced per say on the exit ports... And yes i know the oem pcv is only 3/8...
But logically speaking and what makes sense to me is to make the pcv a -8AN which is 1/2 inch which will match the Valve cover breather... Now you got 2 exits that are the same diameter..
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Get a m16-1.0 bolt and drill the center out?

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BTW the evo fitting is on ebay for $20.....

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Get a m16-1.0 bolt and drill the center out?
Ya know.... i thought of that.. lol .. Get a 16mm thick bolt and tap it for 1.0 and drill a 1/2 inch hole thru the center...
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Get a m16-1.0 bolt and drill the center out?
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Originally Posted by 14GenCoupe2.0T View Post
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Originally Posted by Red Raspberry View Post
Get a m16-1.0 bolt and drill the center out?
Ya know.... i thought of that.. lol .. Get a 16mm thick bolt and tap it for 1.0 and drill a 1/2 inch hole thru the center...
Just be sure to put plenty of sealant on it. Your o-ring is gone then.
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There is an -8an Mitsi catch can fitting on ebay too. -8 AN PCV Delete Catch Can AN Fitting EVO X 08-11 GTR Q35

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