How to Increase Horsepower on a Boat

Whether you’re looking to save money on fuel or just want to have some fun, there are plenty of ways to increase horsepower on your boat.

First, calculate how much horsepower you need. This is based on weight and your boat’s displacement.

1. Supercharger

If you want to add horsepower to your chip tuning boat, a supercharger is a great option. These bolt-on devices are available for a number of engine makes and models, and they can boost horsepower output by as much as 50 percent.

Unlike turbochargers, which use exhaust gas pressure to drive their compressors, superchargers compress intake air and force it into the engine. This forces more oxygen into the combustion chambers, which results in increased power.

2. Booster

A booster is a great way to increase horsepower on your boat. They can be installed on a wide range of engines, and are one of the easiest and most cost-effective ways to increase the power output.

Boosters are a common accessory on boats, particularly in the cruising community. They are especially useful if your boat doesn’t have an outdoor antenna and you plan to be traveling in areas where signal coverage is low.

Boosters are also a great way to boost your mobile phone signal onboard your vessel. They use an outdoor antenna and amplifier to pick up remote signals from cellular towers, which are then transmitted to an indoor antenna inside the boat.

3. Fuel Pump

Using a fuel pump is a great way to increase horsepower on a boat. However, there are several things that you should consider before choosing a fuel pump.

First, you need to determine how much horsepower you want to get out of your motor. This will help you figure out what size fuel pump you need.

Second, you need to make sure that the fuel pump you choose has a high flow rate. This will ensure that your engine can get the right amount of fuel every time it runs.

Lastly, you need to make sure that your pump is made of durable materials and that it has a fuel pressure regulator. This will make it easier to install and use.

4. Alternator

Alternators are the heart of your boat’s power system, supplying a steady flow of energy to the batteries. An alternator does this by converting mechanical energy from the crankshaft into electrical energy.

A rotor within the crankshaft spins magnets that are placed in alternate north/south and south/north positions around the outside of the rotor, which creates an alternating current. It is then passed through rectifier diodes on the alternator that convert it to direct current.

The alternator is also connected to a voltage regulator, which controls how much electricity is sent to the battery in order to maintain a constant supply of power. This is done by turning the alternator on and off up to 12 times a second, depending on the current demand of the electrical loads being run.

5. Fuel Filter

Your fuel filter keeps impurities and rust out of the fuel you pump into your engine. This prevents your engine from running poorly and wasting fuel.

It is also important to change the fuel filter frequently. A qualified professional can do this for you, based on your vehicle’s preventative maintenance schedule.

Every car has a fuel filter somewhere between the tank and the engine to catch stray particles that might otherwise go into your engine. If a fuel filter is clogged, it will restrict the flow of gasoline and cause a vacuum buildup between your tank and engine, which can eventually lead to vapor lock.


A quick blow test should tell you whether your fuel filter is the problem or not. Place a disposable rag or shop towel on your workbench and blow into the inlet of the fuel filter.

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