Crank case vent

J

Jordank520

New member
Hey, I was wondering if I would be able to remove the 2 crank case vent hoses on my tappet cover and just run a breather out the valve cover or is that not enough? Long story short I bought a billet tappet cover and it’s not baffled so it constantly drips oil out and I don’t want the mess. I have a 3rd gen valve cover that has a breather on the top with a hose running out of it. I can also get the breather off of the timing cover if need be.
 
I put a 03-05 valvecover on my p pumped 24v. Have to run rocker box and not use the front and rear most bolt in them. Remove all the wiring and put greeze plugs in the conector holes. I wasnt running a factory style lift pump so tapped the block off plate for 1/8 npt to run the valve cover oil drain. All worked like a top.
 
I’d rather not have to drain anything so if I could get away with only the breather from the valve cover if like that. I already have the valve cover and rocker box on my truck along with 2 breathers out of the tappet coverbut is like to eliminate those tw0
 
Wow, I’m sorry for the bad grammar I did not proof read & now don’t know how to delete or edit the previous post.
 
What tappet cover did you go with?

I have mine pointed up via a 45 from the tappet then a 180 as high as I could get it. Works well and has helped tremendously with blow by and oil loss.


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odieub said:
I put a 03-05 valvecover on my p pumped 24v. Have to run rocker box and not use the front and rear most bolt in them. Remove all the wiring and put greeze plugs in the conector holes. I wasnt running a factory style lift pump so tapped the block off plate for 1/8 npt to run the valve cover oil drain. All worked like a top.
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How was the firewall clearance when you did this? I've considered doing something similar.
 
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Carbur8tr said:
I have mine pointed up via a 45 from the tappet then a 180 as high as I could get it. Works well and has helped tremendously with blow by and oil loss.


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Click to expand...

Great idea... let gravity take the oil back into the block. I do the same thing on 1000cc atv builds. Run the breather up high before it comes down
 
Carbur8tr said:
I have mine pointed up via a 45 from the tappet then a 180 as high as I could get it. Works well and has helped tremendously with blow by and oil loss.
Click to expand...

I came across a Parker fitting before that did this but also had a ~330 micron stainless screen in it. It worked surprisingly well. You still want/need the length going up. One thing I noticed was I originally had too thin of a tube and it was 'burping' oil/blow by. Once I switched to a thick hose, it didn't have the surface tension to burp anymore. Definitely make sure it drains back to the engine though.
 
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