biggest size to fit with bags on it

i have a 1993 crown victoria on bags i wanna put a nice set of rims on it but am not sure what the biggest set or rims i can put under it without tubbing the wheel wells or doing any mods to the wheel wells at all plz let me know thanks

lol are you telling me no-one can answer this ???????????

most people donk them out .you know!

yeah but i am not most people i am bagging it and i wanna know he biggest size i can fit with bags i am thinking 20's will fit but i am not exactly sure