No room for error on that dawg leg north of Clewiston. You need 5.5" to float or operate? Keep weight forward.
The important thing; all lungs pop the same or close. I like to run the motor quickly at idle cold with the gauge in the injector hole. It takes...
And how old the antenna? Radios and sticks are cheap (considering). Time for updates instead of messing with old stuff. If the safety of your ship...
Sudden thermostat problem? I'd check a few other items first.