![]() All these parts like to be lubricated to perform at their peak. Newer testing shows that products like AMSOIL’s Upper Cylinder Lubricant, provides 18% better lubrication than its competitors like Sea Foam* and Lucas* Upper Cylinder Lubricant.Ĭarburetors also contain many small passages and moving parts just like fuel injectors. These parts work better and last longer if they are lubricated properly and remain clean. These injectors use many tiny moving parts to produce the right amount of fuel that exits that opening. Keeping these areas properly lubricated and clean becomes even more important.įuel Injectors have tiny openings, as small as 1 micron, to spray fuel into the combustion chamber. With new technology like direct injection, injectors and other parts are subject to increased conditions that promote damage. These products also clean and lubricate the fuel injectors, protect the valve train and prevent carbon buildup in the combustion chamber. Now that lead has been removed, its up to additives in products like AMSOIL Upper Cylinder Lubricant to accomplish this. ![]() In older fuels, lead was an additive in the fuels that acted like this oil cushion for your valves. This prevents excessive wear on the valves and valve seats. This film also helps to guide the valves into place helping create a good seal. The “oil cushion” or thin protection film on the valves, helps prevent the slamming together of bare metal as the valves open and close. Then when you start your engine, the corrosion causes more damage.Īnother benefit of Upper Cylinder Lubricants is a thing called “oil cushion”. They don’t have to sit long before micro corrosion occurs, but the longer it sits the worse it gets. Another factor that increases rust an corrosion are vehicles that sit. Upper Cylinder Lubricants coat metal surfaces and prevent rust and corrosion from starting. Upper Cylinder Lubricants are also used to prevent premature wear on metal parts. Because this area is made of metal and lacks the proper oil to coat it, “flash corrosion” can occur. As your engine cools, it creates condensation in the cylinder and ethanol attracts even more water. The speeding up of this process is enhanced when the effects of a cooling down engine mixes with the ethanol in the fuel. Ethanol attracts water and when you shut your vehicle down, some of the intake valves are left open to the air which allows moist air to enter the cylinders, creating rust and corrosion. Why Use an Upper Cylinder LubricantĪn Upper Cylinder Lubricant is used to help to prevent corrosion and rust due to the ethanol in todays fuels. Keep reading to learn more about Upper Cylinder Lubricants. Prevention of these issues also helps to increase the longevity of your engine, by preventing premature wear of the upper cylinder parts. Keeping these areas lubricated and clean prevents performance and power robbing issues. The upper cylinder, or the top end, are the parts above your rings that include: the valves, valve seats, fuel injectors and others.
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