Anyone know how to tune a quadrajet

Jones4WD

New Member
Joined
Mar 21, 2005
Location
Wake Forest, NC
I am looking for someone who is good at tuning a quadrajet. We have a 85 k5 blazer with a 305 and it needs help. When we bought it, it had a holley on it and it ran bad so we had a new quadrajet put on by a local shop, but they can't seem to tune it right. They can't seem to get it to run good at start up and when hot. They either get it to run good when hot, but won't start well or vise versa. Now it runs ok when warm, but until you get it warm in idles real low and tries to cut off. Anyone really know these carbs well. No one in the Wake Forest area does.
 
Are you sure you dont have any other underlying problems IE ignition timing?Which QUadrajet are you running?Manual choke or electric choke...........
Let me know.
 
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