Re: Quadrajet or Quadra-throw out the dang window!!
One of the first things you said was it might be a vacumm leak. If the throttle shaft is loose you have a vacuum leak. try some starting fluid around the shaft and see if the motor revs up. even carb with decent shaft bushings will respond a little . I love my vacuum gauge. if you have one and your motor is pretty stock that would indicate a manifold/intake leak by low vacuum reading.
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