[HMeeder]

I have read many times in some of the old posts about the mysterious Missing vacuum hose. My '74 is missing the second nipple from the throttle body and therefore just has the hose that runs from the retard side (this also caused the car to fail CA smog, tech wouldn't listen to my pleas of "it's supposed to be that way!" connected a hose and snaked into oblivion) Any rate, dwell and all ignition is good and timing is dead on with the vac disconnected. The moment I connect the vac back up, the car dies and I cannot get it to run well at speed or at idle. My idle screw only goes in about 1/2 way and then stops. Now if I connect the advance side to the nipple, the car runs great. What's up with that? I'm banging my head against the wall here.

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Herb