Vac switch? I want to turn stuff on.

[thechuckster]

TERRA Operative: most of the megasquirt vendors sell 250kpa Map sensors for a few american peso - they're good to 21psi

[TERRA Operative]

I'll check it out, thanks.

[The Last Streetfighter]

carburettored early magnas and later sigmas had an adjustable vacuum switch which turned on a light at low vacuum. it could be used to switch on a relay. they fit in your pocket at the wreckers

I used to call that the "cane light." It was to let you know you when you were caning it.