Started by SaltLife97, December 10, 2021, 04:13:35 PM
Quote from: "Cadillac Kid" Greg Surfas 15364 on December 10, 2021, 04:24:13 PMWhat is a ported vacuum switch on the earlier motors is the "EFE" (early fuel evaporation") cpontrol on the 76. The ported vacuum switch on your car opens the vacuum passage to manifold vacuum at 230 degrees while the EFE valve closes the vacuum to the heat riser valve at 150 degrees. Quite different. I still have a couple of NOS and used thermal vacuum witches so if you need one PM me.ThanksGreg Surfas
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