Best Way To Repair Butterflies

Unfortunately its a edelbrock so there is no removing the base plate, and they are loctited so heat is the way you have to go to get the screws out. Soldering will work but it is very temperature sensitive, to hot it wont work to cold it wont work, if you have a lot of experience with it it is easy if not it wont work. Like I said before if there is no driveability problem then don't try to fix it.
Oh yeah, I flubbed that.