it will be sitting 4-5 months

i have already fogged the engine i do know how thats done and the
theory of it. i just wanted to know how i can get some fuel
stalilizer into the jets and fuel line leading to and through the carb
withought draining the already winterized w antifreeze engine withought
emtying the engine of antifreeze. thanks ( i had forgotten to
add the stabil to the tank and run it through the carb)
Damian