mate, thanks for the invite, but it's a tough enough drive to Northern Ireland in a normal car, let alone a Delorean, plus you looking at, at least 500 mile round trip and ferry costs, so it's not going to be cheap either.
you would probably be better off talking to a guy called Rob lamrock, he organises the Delorean enthusiasts/owners shows in N Ireland, it might be worth talking to him to maybe come to some mutual time/arrangement where yours and his events coincide for maximum Delorean attendance ???
Rob Lamrock can be contacted via this club.
Best regards