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Show oo CLEAN VALVE STEM WILL HELP ACTION At the same time that you grind in the valves, clean the stems of all foreign for-eign matter and make them bright and shiny. You will get better valve action if these parts arc kept in good j condition. A good way to rcmoc all1 grit and carbon rrom the stems Is to clamp ihe head of the valve in a vise between two blocks of wood and wrap a narrow strip of emery cloth around the stem. Pull the strip back and forth; at the same time move it up and down on the stem. A few strokes will thoroughly thor-oughly clean the stem, but you must be careful not to score the metal by pulling the emery cloth too tight Wipe ihn head clean or all particles lhar might fall down on it before putting the part back in the cvlinder. Motor Lifo. |