Snakemaster does the peugeot 306 head not experience the same problems the vw heads do in relation to adding merc nozzles?Something about spray destroying precups?Ive new 306 injector nozzles in mine so il be keeping them for a while unless you really recommend the merc nozzles?Part no for them?[/quotei only put 306 injectors in my 1.6td with a moded 1.6 td pump . it was as fast as a 8v gti . i have never had a prob with precups in pog or vw .some vw will crack drop precups with std injectors , and no dought some goose with merc nozzles , it seems luck of the draw some one on hear will chime in with more info on the merc nozzles and precups , the reason i no pug pumps are nicer then vw 1.6 pumps is i have striped a few and turned them into M tdi pumps , nicer cam plate ,lever , etc you will need the 1z pump pully to cos the pug pumps i have done has the biger shaft if i was going to run merc nozzles on a 1.6 1.9 idi i would run a moded pug 306 pump with a 10mm head ,