Not Ranked
PCV Valve does NOT dump into air cleaner, it must have vacuum from intake manifold to function. Closed breather from oppsite Valve Cover vents to Carburetor Air Filter. The CAlifornia Air Resources Board (CARB) may currently require a closed breather housing too. IE no open filter elements (like 66 GT350 was back in the day) This may apply to current SB100 reg but not to OEM 1966 vehicle application.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
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