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Our Services Yamaha & Mercury Cylinder head repair, automotive and light truck. |
Baltimore Head Works is a state of the art machine shop specializing in the
repair and remanufacture of cylinder heads for both automotive and marine. Services include: Yamaha & Mercury four stroke Outboard Cylinder head repair Seat and guide machining-
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Cleaning- consumes about half of the time required to rebuild a cylinder head . Cleaning is done in several different ways and may be repeated several times between machining operations. > Pressure washing is the first step. Get the dirt and oil off so the head can be checked out. > Bead blasting of valves and ports. > Aluminum oxide blasting for cast iron . > Ultrasonic cleaning for concealed carbon deposits and before final assembly. Pressure testing- Milling, surface- |
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Line boring- is performed on any over head cam cylinder head that has been over heated, warped and the cam binds in the cam journals. The cam caps are simply machined at their mating surface, reattached to the head forming a smaller opening for the camshaft and the head is then machined back to it’s original dimensions. Many over headed or oil starved heads have been saved with this procedure. |
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