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Old 02-18-2025, 06:11 PM   #1
IT Cowboy
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Join Date: Jan 2025
Location: Clarkdale, Arizona in a van down by the river
Posts: 223
Is tuning a quadrajet as easy as getting max vac and setting idle

I just watched a video on how to do a basic tune on a quadrajet using a vacuum gauge. It shows that you set the front mix screws one at a time until you have max vacuum on the gauge and then set the idle screw to the desired rpm.

Is this something I can attempt without really messing something up? My truck seems to be running rich and smells like gas under the hood when running. I looked for leaks in all the normal places so I thought I would check the air/fuel mix adjustment vacuum first and then the timing.


https://www.youtube.com/watch?v=Nbih0zm_Ldw
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