This is good for the engine, battery, and other components, since they often lose power or generally become weaker when they sit unused for too long. Typically, a car gets used every day, or at least several times per week. If you try using a motor that doesn’t have these screens, you risk damaging your boat and creating a dangerous situation for anyone nearby. In a marine engine, these all have special screens that can extinguish internal sparks so they don’t light the gas fumes in the boat’s engine area after venting into the atmosphere. You should also keep in mind that the alternator, distributor, and starter in a marine engine are all different from the ones in a car engine. A Marine Motor’s Major Components Differ from a Car Engine’s This is another major difference between marine motors and car motors. Essentially, a marine engine has just one gear compared to the four or more that a car engine has.
This is why the camshaft of a marine motor is built to use as much low-end torque as possible, rather than high RPM horsepower like a car engine.
#INBOARD VS OUTBOARD SALTWATER FULL#
On the other hand, a marine engine is essentially at full throttle all the time just to move it through the water, so it has to be pretty heavy duty to keep up. Marine Engines Are Heavy DutyĪ car engine typically only uses a portion of its horsepower to maintain a decent speed on the road. This means the two types of engines are not exactly interchangeable. That’s not a common requirement on car engines, though, which are meant for dry environments. So the head gaskets, freeze plugs, valve guides, and other motor parts have to be made of corrosion resistant materials. This means all the parts on them can resist the corrosion that comes from being underwater. One of the most important differences to know is that marine motors are meant to withstand a constantly wet environment. So are they interchangeable? And if not, what is the difference between marine motors and automobile motors? Here’s what you should know before you get a new motor for your boat. As you look at the engines on the market, you might notice that automobile motors are often cheaper than marine motors. If you’re fixing up your boat, you might be thinking about replacing your old marine motor with a new one. What Is the Difference Between Marine Motors and Car Motors?
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