A grinding machine, often shortened to grinder, is any of various power tools or machine tools , The grinding head can travel across a fixed work piece, or the work piece can be moved while , Belt grinder, which is usually used as a machining method to process metals and other materials, with the aid of coated abrasiv.
Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve the quality and quantity of the air flow Cylinder heads, as manufactured, are usually suboptimal due to design and , The die grinder is the stock in trade of the head porter and are used with a.
A valve job is an operation which is performed on any four stroke cycle, internal combustion , A valve job is best done with grinding stones and either electric or pneumatic tools Lapping compound and a , Aluminum cylinder heads, however, have hardened steel valve seats, as aluminum would make a very poor seat.