vehicle will not start,cranks over,not firing on 1990 Chevrolet 1500 Pickup

was running,stop getting fuel,was surging up and down,replace with new fuel pump,plugs,wires,dist cap map sensor,fuel pump relay,oil pressure switch,

1 answer
If no spark replace distributor 'assembly'!!! Best way to go i have found. Or have it replaced if not familiar with procedure.