Jon: I found this picture of a V237 on ebay.

I assume a hose slips over the metal end. Is the metal end connected to the intake manifold or crankcase?

Why are there two plastic ports?
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Last edited by Bill Hanlon; 04/22/2024 3:13 AM.
'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.