I just Amazoned the V237 PCV valve for under $3. My system evacuates at the top center of the valve cover and gets replacement air at the top of the oil filler which has had its draft tube cut off and plugged. Sort of backwards to the air flow on Jon's. I'll let you know how it works.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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