Got it back from the shop. They replaced the spark wires and reset the timing. No charge to me in case you were wondering. Car runs like a champ now. After having the engine swapped, the transmission serviced, the axles replaced, the suspension and bushings replaced and my windshield wipers repaired the car feels 10 years younger. Don't start thinking the shop convinced me to do all these repairs, they were all my idea. I got the car for $300 drove it for 3 years and now I've invested another $2500 on it. I think it was a wise investment. Problem resolved.