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How Old Is Your Marine Diesel Engine, Really?

How Old Is Your Marine Diesel Engine, Really?

April 23, 2020

It’s easy to hear promises of marine diesel engines lasting 8,000 hours and believe they will hold up against any environment or weather any storm. Yet, like with any engine, longevity depends heavily on how well you maintain the equipment. You can take care of all an engine’s standard needs and still lose it in a few hundred hours thanks to one simple factor — water corrosion. More forces are working on your marine engine than regular wear over time. Without the proper care and due diligence, your marine engine could face a premature retirement and force you to invest in…
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All About Marine Fuel Coolers

All About Marine Fuel Coolers

April 16, 2020

Marine fuel coolers keep boat engine fuel from getting too hot while it travels between the tank and the engine. They are commonly used in the marine industry, as they can increase boat efficiency. What exactly do diesel fuel coolers do, though, and what purpose do they serve? Most importantly, will these devices offer a significant benefit to your marine operations?   How Do Inline Fuel Coolers Work? Marine operators may add a fuel cooler to their boat for a variety of reasons, and many boats come with this device already installed. Boat fuel can heat up quickly while the…
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True or False? The truth behind engine oil myths.

April 9, 2020

When it comes to marine diesel engine oil, there are plenty of myths about which types of oil are best for which engine. Here are some of the most common marine engine oil myths and the truth behind them.   1. Synthetic Oils Are Better Synthetic oils are made from synthesized chemicals, sometimes derived from petroleum, which eliminates crude oil. When you remove crude, you eliminate naturally occurring contaminants such as wax, making the oil molecules smaller and more uniform in size. This consistency can result in a slight decrease to engine wear. However, synthetic oils are at least twice…
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Marine Diesel Troubleshooting: The Low Power Problem.

April 2, 2020

Engine performance problems can be a major headache. One common marine diesel engine problem is low power. Low power may or may not be accompanied by dark smoke, and could be caused by a number of issues. In fact, the issue might not even be the engine. Here's some important information for marine diesel troubleshooting.   Low Power engine, emitting Black Smoke If your engine is producing low power or low rpm and is emitting black smoke, the vessel may be underpowered or overloaded in its current configuration. Being overloaded has a direct effect on the propellers and also causes…
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How to Flush Your Marine Diesel Engine

March 26, 2020

When it comes to a marine diesel engine, a freshwater flush is an important maintenance practice. Freshwater marine organisms can cause clogs in the engine, and saltwater or brackish water can cause corrosion. Flushing your marine engine with fresh water will help prevent these issues. Stagnant saltwater in your engine will leech out zinc, eat away at brass and copper alloys in your pump and transmission cooler, and more. It will also lead to major problems for your aftercooler, as the salt will cause a chemical reaction that damages the metal and compromises the integrity of your expensive components. Saltwater…
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The Connection Between Fuel Line Size and Fuel Supply Restriction

March 19, 2020

When it comes to fuel line sizes vs. fuel supply restriction — also known as pressure drop — there is a lot of misinformation in the marine industry. And it is essential to have a clear understanding of the relationship between fuel line size and fuel pressure if you are planning a fuel delivery system. When pressure loss caused by fuel line size is not taken into account, the fuel system will end up functioning incorrectly.   Does Fuel Line Size Matter? Fuel line size is an essential factor for marine diesel engines. The diameter and length of the line…
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