Raymo, you can run 100% LOP, all day long. It is just not physically possible in a NA engine, but if you were to take a TNIO550 and crank the MP to 33" (from its normal 30") and 2700RPM, and set 20 GPH, you would find it runs just fine. It does. This is done on the GAMI test cell.
TN engines in...