Have a 1982 OMC I/O, 2.5L, model # 252FTHRCNC, serial # J740693. Just replaced the plugs, plug wires, coil, points, condenser, rotor, distributor cap, and thermostat due to some starting and overheating problems. It starts and runs great when cold. Dwell, timing and WOT are all on spec. Can...