Paul from hunter and thomas is ok however my experience with him has not been good, miss diagnosed acouple of simple faults which i should not have been so lazy and done the work myself. Skaza automotive at cardiff are good and do a bit of performance work or you can give paul from red r racing a email and see if he will do the work or at least check it over for you he knows gtrs inside and out. His web site is www.twoogle.com.au