Oz_craig-it could be my ecu,i've got an error code,my interpretation is that it reads "no G- or Ne- from igniter to ecu"
AbbaddonGZE-this sounds like my problem,i can rev hard until about 3500-4000 then it feels sluggish,it will rev higher but it struggles to rev freely and it sounds like i've got an exhaust leak at the front somewhere