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Greetings, any manifold vacuum source will work. Either off the manifold itself or at the base of the carb. You know you have found a manifold source if it shows vacuum at idle.
I feel silly asking this, but where should I hook up my vacuum gauge for setting timing and advance?
Not sill, the vac system is kinda a mess on stock set ups.
There are usually fittings in front and behind the carb and depending on year the brake booster will share the fitting with a smaller nipple, one of those would work. I'd do the one without the brake booster line.
Thanks fellas. The DUI distributor, new plugs, wires, and vacuum gauge came to day. I made a lot of headway with the wiring (relay method) for the hei, removed and installed new spark plugs and wires. I didn't feel right hammering away at a $300 distributor so I am taking the new and old distributors to a machinist near work to swap the gears.
I ran a tee on my front ported setup. At any time (like just now), I can easily hook a gauge to it and play with stuff. Just finished setting timing. I have a slight exhaust leak, so I'm always getting a light ticking noise. Advancing the dizzy proved to me what detonation sounded like. I ended up getting a tad more advance than what I was running. No detonation after hooking the vacuum advance back up. Should be good to go.
84 Grand Waggy-Radio Flyer (Garnet Red/3M Ebony Metallic woodgrain, with honey interior) AMC 360 2004 4.8LS/Advance Adapter/727/242 D44/AMC20 Serehill tailgate and headlight harnesses Ongoing thread-viewtopic.php?t=11897