On my travels looking for new business (in my day job), i came across this company G & R Engineering, they re furbish and fix Turbo`s, also they do Dynamic Wheel balancing,from what i can gather pretty hi tech but none the less excellent work,so if you ever need these guys you can find them at..... Unit 2, Wirral Oil Premises, Bypass Rd,Dunkirk, Nr Chester..... 01244 564 907.... come off M56 at the Welsh end round r/about towards E/port about 1/2 mile on the right..........