Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

79' - possible vacuum leak

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tayto:
yeap thats connected to primary shaft which generally needs bushings

Cliff Ruggles:
A complete and correct "rebuild" would have included installing bronze bushings in the baseplate for the primary shaft.   

The secondary shaft doesn't need bushings as the huge throttle plates seal tight in the bores.

Some shops install thin brass sleeves and other may use Teflon sleeves.  I much prefer installing self lubricating bronze bushings, it is a permanent repair for that issue.

I sell a kit to do it yourself, or you can send the baseplate here to be rebuilt......

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