If you need a specialist id use Dave Turner who is a legend in vw circles hes in stonehouse 3 miles from gloucester, the vw and audi centre, he also runs the runs Allard Turner Motor Racing Team VW CUP we had 3 of our team on the podium this weekend at brands we run 2 mk5's and herbie atm but he also know's mk1's /2's inside out can not come higher recomended. I also know Rich of blake services a nice chap who knows what hes on about too.