Kenny I have an FE with a complete MSD setup. I run ..050" gap with no problems. Same plug as from the 60's. This is what the MSD is designed to do. Bigger and hotter spark. You Never said did you replace the coil? Where is the coil located. How many ground wires do you have to the motor? What fuel pressure are you running? It sounds like you are dumping fuel. You have to try another carb if possible. If this is a fuel problem and it happens this fast,you are washing out down the cylinder walls. Quick check, what does the
oil look and smell like? Do you smell gas in the motor
oil?? If yes we found our problem with a bad carb or pressure being too much. Does your fuel lines have the little gauge to read pressure? THis carb looks like the old 650DPDF carb. Your Best bet may be to pull carb and get a float bowl kit and pull both ends. clean out and thing in the bottoms and check the float in a glass of water to make sure they float. clean the needle and seat on the intake and reassembly. Check float levels and reroad test. Pictures of your car would really help in trying to fix this problem for you. On some coils they have a resistor to keep the voltage down on
oil filled coils. If you run them at the charging voltage, you can cook them over time or have the blow apart. Yes been there done this. I run "E" coil now. How far are you from NJ?? Rick L.