86 150 W/ 318. I Have No Spark At Cold Start. Adjusted Distributor. Replaced All Ingition Components Inc.: Coil, Cap, Rotor, Plugs, Wires And Also Ignition Switch Because Somtimes It Will Fire When I Let Off From The Start Position. Did Not Bother With The Timing Chain Because It Starts And Runs Fine When Its Warm. Plz Help.