I have a 1988 Lincoln Town Car 5.0 V8 base model with 114,000 miles, I gave the car a tune up, changed the spark plugs, wires, distributor cap and rotor, pcv valve, and fuel filter. The car ran a little rough after all of that and suddenly cut out after taking it for a long test drive and died, now there's no spark but the engine still cranks. I changed the coil pack and the ICM afterwards to see if I would get some spark back but had no luck. I'm stumped, when I try to start the car I can smell the gas and everything sounds like it should but there's no spark to turn the car over. The battery is fully charged too. Any ideas on what it could be? Any help is appreciated.