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handy with the steel
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390 Posts
a hose to the intake?
Do you mean the turbo intake or the intake manifold?

If you plumb a hose to the turbo intake, this method will "work" but you'll be ingesting oil vapors directly into your turbo which will then coat the all of your charge pipes and intercooler. No thank you. I'm curious how much vacuum is actually present at the turbo inlet to even take advantage of for this purpose (I honestly don't know).

If you mean intake manifold, then it just plain won't work for anything other than crankcase blow-by while the engine is operating under vacuum. As soon as you're in boost there had better be a check valve installed between the manifold and the catch can, or else it's going to be directly pressurizing the crank case.
 
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