Reply to "How to Protect 48 IDA from rain"

panteradougMember

I noticed the oil catch/breather tank factory set up too. Interesting.

I wanted to have a PCV system. Positive vacuum adds 25hp at 10 inches of vacuum. Plus it cleans the sludge out. You will get sludge with the Webers if you do not ventilate the crankcase.

I plumbed this billet tank in between the pcv valve and the vacuum manifold.

If I was going racing, I'd have to add the tank to the inlet side also. For the street, all I need is a controlled "vacuum leak" into the crankcase.

That is done by the billet oil filler cap. It has an air orifice in it. An "air jet" if you like?

With the Webers you need to keep that air orifice about .100" to reduce the vacuum signal loss to the Webers.

This is my oil extractor/catch tank.

Oh. The valve cover needed to be machined to relocate the pcv opening on this end of the cover (and in between the valve springs internally).

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