Mercedes' V8 AMG engines have cast nodular iron camshafts, but the valve 
lifters are made of 9310 grade steel. The complaint is that this combination 
of materials is contributing to premature wear of the M156 motors. This can 
be due to improper heat treating of the metals or improper offset.

ekstrasensas :)



"Ugnius Kiguolis" <ugnius*@*kiguolis.com> wrote in message 
news:j5pj9u$86r$2@trimpas.omnitel.net...
> kad maniskis pries 2 men i marcias islekes..
> o kas per bugas? :)
>
>