check these things out; Make sure fuel isn't old try filling tank with fresh fuel. (If the car has sat awhile the fuel could have some moisture or other contaminants in it) Air filter Fuel Filter Spark plugs (make sure they are gapped correctly if they look fine) Spark Plug Wires Cap & Rotor Poorly working fuel pump Vaccuum leak somewhere Carb dirty or malfunctioning If everything else checks out it could be bad compression in which case .............
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