Firebird question

I have a 92' firebird i have put a lot of extras on such as a richmond 4.10 gear and a crate 383 ect. preping for supercharger it im at 438hp to the rear but i really havent made any suspention mods about a week ago i was messin aroung with one of my buds and took a few corners hot the body seems to be more to one side any sugjestions sry im a newb only 18

If I understand your comments correctly, you have a mis-aligned rear axle. There may be some adjustment in the track bar and brace (Panhard rod), or you may need to install an adjustable bar to get the rear axle properly aligned to the body.