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Message: <blockquote data-quote="poisonbl" data-source="post: 1138255" data-attributes="member: 17541">Well, since it wasn't at all warmed up this morning, it was running pretty steady at idle with a very small bounce (that I almost think is as much the vibration of the engine bay) between 17-18 in, a little low, but I think is acceptable for a cold idle. Didn't check RPMs, since it was running just fine.Once it warmed up, the issue reappeared. Quick acceleration drops abruptly to 0in as it should (and, at times, positive pressure slightly), decel kicks up to 24in consistently.Holding flat at anywhere from 1-2k puts it at a perfect 20in, except for the occasional miss dropping it 1-2in.A slow accelleration from 1-3k holds at 21in, except for the same 1-2in drop on a stutter.Idle's rough once it's missing, 5-850 RPM, vac at 18-19, regular sweeps down to 16-17 with the miss.If it dies, vac goes down in step with the stuttering drop in rpm, slows at 5, and either picks back up with the engine restarting itself (she really doesn't like to give in), or drops instantly to 0 with it finally giving up.Restarting holds a steady 900 RPM, 19-20 in vac, and idle drops back to rough after a short time, same 1-2in drops with the miss.Worst stutter all around with a particularly hard miss is around 3in.Every 'drop' of the needle is a quick flick down when the engine quiets abruptly, followed by a slow sweep back up.Aside from my TO bearing chirping if I don't have the clutch blocked, still no tick or ping.Any thoughts, before I go making guesses?Also, plugs, on the end of them I can get to without having the right socket with me, are dry, and clean, not even a sign of carbon from an arc between the wire and the plug, or dust working its way up in there (which, given the amount of dust and crap everywhere else, is a miracle).</blockquote>