Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

Fast Idle adjustment question?

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Overcamber:
finally had a chance to drive my truck with the new rebuilt carb.  Having a couple issues. First off wide open throttle  is crisp and clear. transition seems great!

My problem is low speed and city cruising speed.  Very light throttle , approx. 1400-1800rpm, 35 to 50 mph the mufflers are loading up and backfiring.  Even at 1/3 to 1/2 throttle. 

Can you suggest something I can try to alleviate this problem?

thanks Gary

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