Elec Fan Question

[kosonen04]

Hey guys im posting this same thing on a cuple differnt threds so i get a fast response, im converting my cluth fan to elct. fan and can anyone tell me if its just studs that go tho the water pump tho the pully and then on the fan because there is 4 - 1/2in nuts on the fan holding it to the pully, I need to know this becuase im giong out to by a 12" Hayden fan and this is my only car so i need to know if i need bolts or if i can just put the nuts back on the pully to hold that there? Please help me becuase im waiting on a response tell i leave thanks guys dont let me done now haha lol.