I have already compared sides, driver side is slightly looser than left, no boots are torn from what i can see. There is no damage externally, I'm guessing it's the joint, i know it is the driver side that is broken, as i had a friend look at the inner cup while driving, the banging happens when the joint slightly jolts/vibrates.
Nobody told me about the spare when i bought it, i knew it would be unbalanced but figured it would be ok, didn't think about it at the time.