When excelerating ( heavy throttle ) egine seems to be running to lean. I have rebuilt the carb and make adjustments to the metering rod, to provide more fuel durring excelleration. Changed intake gaskets, and repaired all vacum leaks, removed and caped EGR ports. Timing is correct, ign. coil is new, new plugs, wires, cap, rotor,and fuel filter.
82 ford f-150 4x4 300-6
Sounds like it might be a vacuum problem check all the vacuum hoses and spray some wd40 around the base of the carburetor while idling. if the engine revs up then you have a carburetor base gasket problem or a leaking vacuum hose
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