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Old 01-26-2015, 06:28 PM   #5
geezer#99
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Join Date: Aug 2009
Location: Bowser
Posts: 13,974
Re: 305 carb issue, need help

You need to lean your choke down. THe black cap is riveted on. You need to replace the rivets with screws and then you can rotate the cap cw to lean it. Turning the cap ccw richens it.
I adjust mine twice a year. Richer in winter, leaner in the summer.
Look here for info on that.
http://www.vetteprojects.com/kstyer/quadrajet_3.htm
You could also spray some carb and choke cleaner on all the choke parts.
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