This video demonstrates a method for cleaning heavily corroded engine valves. The creator uses a strong acid solution to loosen the corrosion, followed by a light wire brushing and a baking soda rinse to neutralize the acid. The process is shown to be effective, but the creator emphasizes the importance of safety precautions due to the toxic fumes released.
24698 7 лет назад 3:51This video demonstrates two methods for lapping valves into a cylinder head. The presenter explains the importance of lapping valves to ensure a tight seal and prevent hot gases from escaping during the compression stroke. The video shows how to use a valve lapping tool and a piece of hose to achieve a smooth, even surface.
17580 4 года назад 9:34