What are the clearances supposed to be for the AC motor? My dealer reckons they are still 0.10 and 0.15,but I am sure I have seen somewhere that this has changed to 0.15 and 0.20.Slightly confused over this.
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pete roper said:mojohand said:"A tappy tappet is a happy tappet," as they say
Unfortunately Mojo in the case of the new motor, especially the A5 this isn't the case. The cams, for a 4V are very radical. They also have very short, if any, quietening ramps. set the clearances too large and you risk the tappets hammering the flanks of the cam to buggery. With the 8V quiet is good. Noisy is bad!!!!
Pete
Vince C said:Oh dear. Mine's a bit clattery which I took to be 'a good thing'.
Obviously you don't want them too quiet either or the valves might not be closing fully. How should they sound on tickover when corectly set (cold engine)? You can definately hear mine!
What are the clearances supposed to be for the AC motor? My dealer reckons they are still 0.10 and 0.15,but I am sure I have seen somewhere that this has changed to 0.15 and 0.20.Slightly confused over this.