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  1. ported vacuum switch location - 390 66 galaxie

    Galaxie Pages
    hello all. I am putting my 390 (66 galaxie) back together and came across an "extra" part. I believe it is called a ported vacuum switch? I have seen these screwed into a thermostat housing before, but my therom housing does not have that opening. There does not seem to even be a hole left...
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