Idle Screw Tuning with a Vacuum Gauge on Edelbrock Carburetor 

Shown here on my 1979 Z28 Camaro with a AVS 2 Edelbrock Carburetor. I go thru the process of using a vacuum gauge to tune a carburetor but is it worth it? See how to get the most out of your car to make sure you have plenty of power.
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