Quote:
Originally Posted by mach4
I hooked up a switch on the dash next to the glow switch, that connects to a vacuum solenoid. Touch the switch and vacuum is routed to the shutdown on the IP which shuts down the engine. To bleed the vacuum I put a pinhole in the line to allow a quick restart. It has worked perfect for the past 55k miles. A better option however, is to use a switchover valve that will dump vacuum to atmosphere automatically. One of these days I'll switch it but for now, since it's not broke, I'll wait to fix it.
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What you need is a 3 port, 2 way solenoid valve. The 3 ports allow it to bleed vacuum when in the "vacuum removed" mode so the shut off is ready to reapply. I got mine from Peter Paul but it was a bit hard to order. If you go that way I can look up the part number.
Sometimes the instrumentation plumbing that I did in my working life comes in handy!
Dan