slight tapping noise in engine?

[ade the blade]

look for any cracks in the plug caps causing to arc out across to the cam cover,check in the dark with engine running for any sparks....if none i would say valve shim on no 3 cylinder 

bloody hell mate, i see your advice quality hasn`t deteriorated over time then ! :lol :lol :lol :lol :lol no hope whatsoever !!!