I have a 77 mII cobra with a 1974 302 in it, smog heads and all that, but the smog pump was removed by a previous owner. The vacuum lines are a complete mess, most things are just chopped up and sealed off, and I can't seem to find any two diagrams online that agree with each other. The carb is a 2V motorcraft 2150, it has the EGR thingy, my distributor is single diaphragm vacuum advance. If the vacuum switches are necessary, I'd rather replace them than use the stock ones, and I'm slightly...

Vacuum lines trouble - 302 w/o smog pump