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Showing results for tags 'engine head'.
cedreex posted a topic in Engine, Transmission and ExhaustHi all, I've a stupid question but I'm asking anyway. I have an engine head which has scratches and grooves caused by sand paper on its surface (where you put the head gasket). The scratches and grooves are not too deep but they may have a little impact on the head gasket lifetime. It is always better to have a clean flatten surface. I can't afford to bring the head to a professional shop so I'm asking myself what if use some valve lapping paste to remove these scratches. I have a flat piece of glass which is big and thick enough. So what if I put lapping paste on th