Has a summit distributor and MSD coil. Turn engine over and fires, but as soon as release starter it is like car turned off. This happened 2 months ago. Tried coil, blast resistor , no avail. Car sat for 2weeks Suddenly it started. Happened again. Bought ignition key and key switch, same Checked grounds and wiring. Checked coil with ohmmeter, same as other one I have Any advise is greatly appby Tonyb66gto - Pontiac GTO Forum