Idles then dies

lawleymason

New member
Dec 31, 2021
1
1
Just rebuilt the quadrajet on my 1978 C20, truck idles high for about 30-40 seconds and then shuts off. Any help is greatly appreciated.
Video below is the first time running it, vacuum gauge read 20 in-Hg plugged into the rear manifold vacuum port.


Top view of the carb
IMG_2421.jpg
 

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