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who said the cup pump was different? just wondering as only ever heard good things about gary.
got to admit i was 99% certain they were the same and was even going to dig one out and double check until marks confirmed.
pull one lead of the coil pack and rev it and see if it still does it. do them one by one and if it stops when you pull one of them off then there's a pretty good chance that's what it is and on the cylinder that stops the noise.
but it could just be dephaser on it's way, i've had them sound...
unplugging the injectors only tells you if it's working on idle. haven't got a lead pinched have you?
timing check is pretty easy but looking at map reading on idle should tell you if it's ok or not most of the time.
should be the same but i've read that if they don't come with clips they aren't genuine, how true that is i don't know? could just be internet crap!! generally the fakes i've seen don't have the logo etc on the socket.