What is the purpose of that steel tube that runs from the intake manifold to the block? I got a bit of rust down there today when I had the head off, wonder what i'm gonna have to to to fix.
Thanks
Thanks
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"Dolphins aren't so smart, they can't even engineer an E-diff" -
oil drain from the head back into the sump. Also helps equalize pressures etc.
Rust fell into your oil pan/oilTenured Automotive Service Professional - Avid BMW Enthusiast
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