thanks for the input...tried the other direction, and the adv diaphragm
did hold vacuum. But atleast I know I can move on to the next item.
When the car is idling, I get a real bouncy reading of 5-10in Hg. The
jitterry reading my be from worn valve guides (or other), but the
reading is still really low. The engine bogs down when I give it gas,
but when I pull the throttle and push on the air plate the engine revs
just fine. I read somewhere that this is because there isn't enough
vacuum to pull down on the plate. I'll test the injector seals again
with carb cleaner but any other ideas?