NO, Not even close.
Yes, but 1991 rims will NOT fit a 1993 camaro
no they will not
More hassle than it's worth. You'll have better luck with Camaro rims.
Yes
Yes
I believe that the 5th gen 20'' rims will fit the 3rd gen Camaro. i know that they will fit the 4th gen so should fit the 3rd
Not without modification
NO
Will Pontiac Montana rims fit WHAT? Your question is not complete. What do you want to fit the Montana rims on?
No
Not without modification (... but WHY?)
NO! buy a stupid donk to put ignorant ghetto rims on. don't ruin a camaro.