So what im reading here is even after Total Traction have done the work(recomended on this site) im still gona do a plug chop to make sure its done right...Cool, what a can of worms ive opened, BUT nice juicy ones!!! Cheers guys, im gona do the jetting stuff after all and get it set up i just gave matt £650 for my stuff itd be a shame to through it down the road.