i have a 1972 ford f-150 truck with a 360 engine, 2 barrel, auto. trans.. It tries to start but won't stay running. I have set points,checked plugs, wires, dist. cap, rotor,coil, set timing, ckecked fuel pump and pressure, put new carb.( holly 500 ) 'new starter, new relay, new voltage regulator, good battery. What would be my next most logical step in trying to solve my problem, and get my truck running?
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Pre-1981 Ford truck F-150 360