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Performance Marine Engine Parts Analysts Ask, “Should You Use Synthetic Oils?”

Or are they? The most common type of synthetic motor oil lubricant is a polyalphaolefin (PAO)-based lubricant. Your performance marine parts analysts know that through a process known as polymerization, it creates a pure formulation of uniform molecular chains. 

Go to http://www.stainlessmarine.com/ and see how you can find more information as well as get assistance on performance marine parts and on learning if you should use synthetic oils in your marine engine.

Initially developed for the severe environment found in gas turbine or jet engines, synthetic oils create stable, predictable and desirable lubrication as a result of their uniformity. When compared to mineral-based oils, among other attributes, synthetic lubricants exhibit superior oxidative and thermal stability. 

Oil churns and aerates in a crankcase, and it’s exposed to the very high ­temperatures found at piston rings and exhaust-valve stems. The high temperatures and rpm found in turbochargers, for engines so equipped, add additional challenges to the oil’s ability to provide lubrication and heat removal. 

Synthetics have a few other advantages. Their demulsibility, or ability to shed or release water, exceeds that of mineral oils, as does their hydrolytic stability, which is their resistance to breakdown as a result of exposure to water. For all those reasons, I’m a firm believer in the attributes of synthetic oils.

So what’s not to like?

As good as synthetic oils are, as our vessels’ “engineers,” we should choose the oil best suited for the application, and not simply the best oil. Synthetic oil enables, with some caveats, extended oil-change intervals. 

Ultimately, provided it meets your engine manufacturer’s specifications, there’s no harm in using synthetic oil; it may provide a small measure of added protection and lubrication. However, don’t expect miracles from synthetic oil.

So don’t forget these helpful pointers to keep in mind when deciding if you want to use synthetic oils in your marine engines. 1) High temperatures cause oil degradation, to which synthetic oil is more resistant, but most auxiliaries operate at low temps;  2) when compared to mineral-based oils, among other attributes, synthetic lubricants exhibit superior oxidative and thermal stability;  and 3) don’t expect miracles from synthetic oil.

Click here and see how Stainless Marine always has more information on performance marine parts and on information that will help you decide if you want to use synthetic oil in your marine engines.

via Monthly Maintenance: Synthetic Oils

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