Is this true and do you think a zinc additive might help? The active ingredient that you are talking about is phosphorus that is added through a component called ZDDP.
The ILSAC level for phosphorus has been reduced to protect the catalytic converter and other emission protection equipment. The engine manufacturers are confident that this level of phosphorus will protect both new and older engines. Is your question still unanswered? Please submit your question in the form below. In determining which questions to answer and post on this site, we strictly adhere to ExxonMobil's policy of not disclosing proprietary formulae or performance-testing information; nor will we address inquiries requesting comparisons with competitive products.
Other ways to reach us Call with product questions. Looking for the status of a rebate? Oil testing done on older car engines has found that there is a brief period when the engine is just warming up when it needs to have more lubrication than modern-day, non-zinc motor oil provides. If your older vehicle has an engine that uses a flat tappet lifter, it will need to have zinc or a zinc replacement additive in its engine oil.
Having zinc in the engine oil will prevent the lifters and camshaft from wearing down prematurely. The flat tappets in these engines create a significant amount of friction. Later roller cam designs would reduce this friction. When a flat tappet engine is left without any protection, the friction generated can do a great deal of damage to it.
For example, the heat generated by the friction can harm the engine. Along with the heat, the friction can harm the efficiency and the performance of the engine by wearing down the cam. While there were plenty of motor oils that had zinc additives in them, as engine technology evolved and new engines became standard, modern oil companies began to produce oil without ZDDP or ZDTP.
Now, most standard motor oils do not have any zinc additives in them. Though zinc additives have gone out of fashion with newer engines, there are still companies that produce them or replacements of them.
However, people found that zinc can actually harm the engine. In this chamber, the zinc in the oil would become ash before being transferred through the exhaust pipe.
After it had moved through the exhaust pipe, the zinc ash would sometimes come to rest on a catalytic converter. Over time, this ash caused harm to the converter, reducing its effectiveness gradually. Today, most motor oils have reduced the amount of zinc they use dramatically. Due to the problems associated with zinc, most motor oil companies will not include any zinc in their formula to protect against damage to the catalytic converter in newer engines.
However, older vehicles still need to use the heavy-duty, anti-wear protection of zinc to prevent more significant adverse effects. Zinc replacement additives provide a similar level of lubrication and coating without the negative effects of ZDDP. Zinc can harm the catalyst when it gets on it, resulting in the catalytic converter having a shorter service life and increased emissions. They need zinc for the anti-wear protection they provide, but they also need to follow regulations and protect their catalytic converter.
While the new regulations are great for reducing environmental impact and keeping engine components safe, any non-roller cam-designed or high-performance engine is left without the wear protection it needs. For example, Hy-per Lube Zinc Replacement Additive provides users with the extreme pressure wear protection of a zinc product, without the zinc. While using the product, you can be certain that any rocker arms, lifters or cams you apply the product to will be kept safe without any significant wear problems.
Using a zinc replacement additive for old cars comes with several advantages that make it a superior motor oil to anything else on the market for older vehicles. With its ability to provide anti-wear protection for engines even in high-stress environments while doing away with the negative effects of zinc, zinc replacement additives for older cars are a must-have for any responsible classic car owner.
Hy-per Lube Zinc Replacement Additives use a unique Polymer Ester formula that keeps your oil film strong even at high temperatures. Some experts suggest using a higher level of zinc additives during the break-in period for your engine, as the engine is the most susceptible to uneven wear and the damage that comes with it during that time. Instead of using an oil with a high level of zinc, you can go with a zinc replacement product that offers the same kind of heavy-duty protection.
The solution is to add a zinc supplement to your oil. This is a real ZDDP-containing oil supplement you can add to modern conventional oil in your engine to make that oil work like the zinc-rich oil of old you need. With this supplement, you can increase your engine life and confidently use the motor oils modern cars use. Posted on August 1st, by thomas liquori. There are four options for you to choose from: Conventional oil: This is simply refined crude oil and is the most basic type of motor oil.
Synthetic oil: This costs a little more, but it is worth it. Synthetic oil is treated to have fewer impurities and operates much better than conventional oil at extreme temperatures.
Synthetic blend motor oil: Synthetic blend motor oil is the best of both worlds. It is treated for more impurities than conventional oil but cheaper than fully synthetic oil. If you feel you are getting sufficient performance with synthetic blend, you may want to save a few bucks rather than go full synthetic.
High-mileage oil: Most experts recommend you use high-mileage oil if your car has more than 75, miles. This type of oil contains leak prevention additives, seal conditioners and other products to help extend the life of your engine.
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