<VV> A question for automatic Corvair owners...

[Cash Case]

...or anyone who knows the answer.

'65 Monza 110/pg

The vent tube that comes out of the block under the fan is the one that 
goes to the positive crankcase valve. When I took mine off when I 
started this engine rebuilt (years ago) I noticed that it was not 
completely hollow. It had a tiny hole instead of being just a hollow 
tube which is what I thought it was.

The question is why the tiny hole? In other 6-cyl. cars of the time it 
was just a tube to the pcv.
Why is it tiny and is there a variance in size from engine to engine?

Thanks Guys
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