It could be defective...hope you got a warranty
Yes, but 1991 rims will NOT fit a 1993 camaro
no it will not
There were no IROC Camaros in 1991
Yes.
Yes
there is a gasket that goes under the distriburator that needs replaced.
Yes, infact I own a 1991 Camaro RS V8 5.0. I purchased it in 2007.
of course not. different roof
Yes
No, they're 2 totally different bodystyles
One
Yes