More Then You Ever Wanted To Know About Thermal Vacuum Switches

[@christesta2521]

Thanks for the good information. I currently drive a '90 Brougham powered with a feedback carb 307 V-8 Olds.

[@rporestorations]

You're welcome.

[@samuelmoreno2382]

Thanks for share your experience

[@4by_yotaguy373]

Good lesson 👍

[@ramongjr4548]

Does anyone knows if the EFE Thermal Vacuum Switch and the Purge Thermal Vacuum Switch are interchangeable? If not, what are the OEM part number of each Thermal Vacuum Switches for a 1985 cutlass supreme 307 code Y?

[@cavecanem938]

I have a 1980 cutlass with a 260 v8 it has a computer.all hoses have turned to powder. my fender chart shows 2 circles in line. one
before the 4 way connector and the other after the 4 way that seams to just dead end . do you know what these are? what is an EAS and EAC thanks

[@edwardhuber7864]

Can you explain the distributor on these cars I find it very confusing

[@edgarherrera5085]

My 78 Cadillac Coupe has these.

[@melonmalone6307]

I pay $42 to get one of those ship them from China for my 1982 Oldsmobile cutlass V6 3.8L