Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

secondaries sticking

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fsted:
Hi Cliff, i am having some trouble with a carb, the secondaries will not close all the way sometimes resulting in a very fast idle. The carb is on a dirt track car. I  bought the parts and got the tune up from you, and the carb runs great except for this issue. i did not rebush the base plate. this is second plate i have tried. will the primary bushings also work in the secondaries? if so i will order a bushing kit.  thanks for the help Ed

429bbf:
ed im not half as smart as cliff .but iv'e dealt with this before. the primary bores are 5/16 and the secondary are 3/8. so no the bushings wil not fit . my problem was a slight mis alignment of the butterflies .to fix the problem i loosened all the screws and centered everything.side to side front to rear. problem gone. hope this helps dean

fsted:
 thanks for the reply. I pulled the carb and adjusted the butterflies, seems to have worked. fingers crossed thanks Ed

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