Y Block PCV

Ok, I know the topic of PCV system in Y blocks has been covered before but is there any reason I cant use the side of the block where the existing draft tube is to plum in a PCV to vacuum? I would like to keep it standard looking and don't want to drill my alloy valve covers or do I want to remove the intake manifold to drill the valley cover. Engine is fresh rebuild and I know I should have done it then but.....I didn't!! I was thinking of making a block to put between the draft tube and the block with a hose fitting.

Cheers
Norm
 
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