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Engines

How to Find the Best Cruising Speed for Your Boat

By Capt. Richard Thiel | Posted June 2014

Here’s something you might not know about your boat’s optimal cruise speed.   Finding your boat’s “sweet spot” when it comes to cruising speed isn’t...

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How to Tweak Your Props to Make Your Boat More Efficient

By Capt. Richard Thiel | Posted May 2014

Get Your Props Proper Though they sometimes go unheralded, your props can affect your boat’s performance as much as nearly anything else. Capt. Richard Thiel has expert...

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How to Evaluate an Engine

By Capt. Richard Thiel | Posted April 2014

Buying a boat? Add these steps to your engine survey to make sure there are no ugly surprises later.

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Marine Fuel Additives

By Capt. Richard Thiel | Posted March 2014

Does your fuel really need those additives? Have you ever given much thought to the fuel additives you use, and whether or not they actually help—or worse, hurt—your...

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The Future of Marine Engines

By Capt. Richard Thiel | Posted February 2014

As technology advances and emissions regulations tighten, marine engines are bound to evolve, no matter how effective they currently are. We take a look at what kind of propulsion...

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The New Caterpillar C8.7

By Capt. Richard Thiel | Posted January 2014

Capt. Richard Thiel investigates the new Caterpillar C8.7 and the market and regulatory forces that launched it. With emissions regulations becoming more and more stringent, CAT...

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The Truth About Shafts and Pods

By Capt. Richard Thiel | Posted January 2014

Since their invention, pod systems laid claim to the throne held by conventional shafts as the dominant form of marine propulsion. But that hasn’t necessarily happened. We...

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Engine Maintenance Tips

By Capt. Richard Thiel | Posted December 2013

Capt. Richard Thiel knows oil analysis isn’t the sexiest topic in the world. But it is an important one if you plan on keeping your boat well maintained for years to come....

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Are Synthetic Engine Oils Right for Your Boat?

By Capt. Richard Thiel | Posted November 2013

Capt. Richard Thiel investigates whether the high-tech, synthetic engine oils are all they’re cracked up to be—particularly for marine engines.

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What's New in Marine Propulsion Technology

By Capt. Richard Thiel | Posted October 2013

What’s new in the engine room, on the transom, and on the horizon. Today’s Marine engine manufacturers are using new technology to keep pushing powerplants in cleaner, lighter,...

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Control Sound and Vibration on your Boat

By Capt. Richard Thiel | Posted October 2013

A quiet boat stops noise in the engine room—before it gets to you and your crew.

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How to Make Your Boat's Engine Last Forever

By Capt. Richard Thiel | Posted August 2013

Can you keep your engine running forever? Capt. Richard Thiel thinks so. By diligently following an aggressive maintenance program, you can keep her purring smoothly, avoid...

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How to Keep the Fuel Tanks on Your Boat Clean

By Capt. Richard Thiel | Posted August 2013

Understanding why you need to keep the diesel in your tanks clean.

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