Engine not running good

TXDart said

Oh if it is a older Holley you are running,I would suspect a blown power valve...
But they usually will blow black smoke out the exhaust....
TXDart

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I am running the original AFB. I have been through the cleaning and adjustments twice. The throttle shafts are tight and it responds to adjustments. I have a Edelbrock AFB I can try to see if anything changes.