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Discussion Starter · #1 ·
Hello All....

Can anybody tell me what the purpose of the blowby control valve on the balance tube is and what happens if this fails.........?

i've seen pictures of engines......
some have it blanked off,
others (as standard ) are plumbed to the cam breathers
others have a separate pipe running off somewhere....

to avoid confusion, i'm talking about the valve which is on the balance tube between cylinders 3 and 4. It has a 'L' shaped hose running back to the cam cover breathers.

Can anybody clear this up for me?

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