It's now just this one bolt which is not budging,have used heat,anti seizure spray,6 sided impact sockets and impact driver,also borrowed a Makita 110v impact gun (big heavy thing) and it's still not moving.I might have rounded the wheel bolt off a bit,so now i'll need to drill it out.
P.S. have got all of the other studs out and cleaned them and copper slipped.Not going to let this one little bolt beat me.