Will thread lock work....

[Hammerhead]

.....inside the float bowl of my Rochester carb. 3 times now the jet/port whatever ya call it that the needle valve shuts off by the float has loosened up dropped down a bit *and caused the bowl to starve for fuel, causing the motor to only idle. I've tightened it up real good but, I 'spose the vibration is too much. I tho't I'd put some threadlock but, dunno if the gas will dissolve it post haste. Any thoughts? TIA