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-12 AN Valve cover fittings

Nctong01

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Hey all, any of you FI guys know where to pick up -12 fittings? I'm seeing -10 but don't think that's going to cover what I need. Ebay has a set of -12....but I don't know how much I want to trust them.
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What is the fitting -12 is just the size?

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Nctong01

Nctong01

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What is the fitting -12 is just the size?

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Valve cover to run to a catch can setup. That's the issue...the threading for the valve cover is a little odd, I'll attach a pic. Fathouse DID carry a -12 but looks like they no longer do.

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-12 shouldn’t be hard to get hold of from any good motorsport or hydraulic fittings supplier.

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Nctong01

Nctong01

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FatHouse sent me set with catchcan setup. They self threaded.... was nice
Aha I saw that opening FB right before this thread. They do a solid setup man, good to know they're open to needs. Honestly kind of wish I went that route; I'm going to have to modify the fittings in the can that I have as well.
 

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Jackson1320

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What kind of setup are you running that needs -12? A setup with -10 is normally more than enough. If you are getting so much blow-by that you need -12 you might want to look into it
 

RoadCone

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What kind of setup are you running that needs -12? A setup with -10 is normally more than enough. If you are getting so much blow-by that you need -12 you might want to look into it
I went with a -12 because the ones I had on was too small. When they are too small it can create more back pressure and cause a massive amount of oil to end up in your catch can. It's all about the ventilation into the atmosphere also. Your vents need to be bigger on higher HP cars.

-12 is nice because you never have to worry about it again and how it fits right into valve covers. If he is doing it, no reason not to go -12.
 

Jackson1320

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I went with a -12 because the ones I had on was too small. When they are too small it can create more back pressure and cause a massive amount of oil to end up in your catch can. It's all about the ventilation into the atmosphere also. Your vents need to be bigger on higher HP cars.

-12 is nice because you never have to worry about it again and how it fits right into valve covers. If he is doing it, no reason not to go -12.
Ok maybe you know more about his setup. Maybe he is running a high power setup. If I ran a high power setup I would run a smog pump setup to pull air out of the crank case
 

RoadCone

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Ok maybe you know more about his setup. Maybe he is running a high power setup. If I ran a high power setup I would run a smog pump setup to pull air out of the crank case
Vacuum pump.... :wink:
 
 




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