JLT catch cans -> valve cover breathers ???

[jmeiers]

Now that my longtubes are installed, I am preparing to place my order for a ported Cobra Jet intake and the other required parts. I currently run JLT catch cans on both sides and no issues with that other than I would like to go with valve cover breathers (similar to the below picture) when I am on the Cobra Jet setup. Obviously, I will be getting re-tuned for the Cobra Jet intake but I may switch to the breathers now on the stock 2019 manifold. Does switching to breathers require a tune update or is it as simple as install the breathers and plug the now vacant ports on the manifold and intake pipe???

Thanks.

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[Zinc03svt]

I ran dual breathers on my 14 GT cobra jet setup and run a single breather on my 18 GT passenger side. No problems (no updates) nor messes on either. Fyi.

 

[SheepDog]

Works just fine until you add boost. Then it will piss oil all over your engine bay. Use a breather catch can setup instead. No shmeg in the intake, and no oil vapor on your engine if you decide to go FI later.

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