When you received your "new" Edelbrock intake manifold, is it a new style with no oil filler tube accommodation? if so, you will need a valve cover with an oil fill and breather hole. The PCV will work with either set-up but your manifold probably has no oil fill hole. The heads have oil drain passages that circulate the PCV air flow.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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