You will need to use an after-run oil usually rislone mixed with atf to even be able to avoid instant rust.
Here is a link to start with.
Chock full o goodness.
the cost of rc glo fuel is high
Cool Power Omega FAI Fuel 4 Gallon
Most users of bigger engines avoid a glo-plug methanol setup and use a sparkplug and gasoline
These are NOT china girl engines. on rc universe.
BE CAREFUL if you try to use nitromethane fuel. LOL FAI fuel contains NO nitromethane.