Sylvie Willis
There are several ways to extend a fuel tank, depending on the vehicle or machine. For cars, it is possible to replace the existing tank with a larger one, although this may not be practical due to space and weight constraints. Another option is to add an additional tank and run a fuel line to the engine, leaving the original tank in place. This is also possible with generators, where a fuel filler cap can be attached to the tank, and a fuel line can be run to an external source. For boats, it is possible to extend the fuel line to move the tank to a different location, although this may require a special type of hose.
| Characteristics | Values |
|---|---|
| Can you extend your fuel tank? | Yes, it is possible to extend your fuel tank. |
| Fuel tank extension methods | Replace the existing tank with a larger one, add an additional tank, or extend the fuel pickup and fuel gauge float with steel tubing. |
| Factors to consider | Space constraints, weight, practicality, and cost. |
| Vehicle types | Cars, trucks, SUVs, boats, and generators. |
| Fuel tank materials | Steel and plastic. |
| Fuel type | Gasoline and diesel. |
| Fuel capacity | Varies depending on the vehicle and fuel tank, e.g., 16 gallons, 18 gallons, 50 gallons, 300 liters, etc. |
| Fuel range | Varies depending on the vehicle and fuel tank, e.g., 180 miles on a full tank. |
| Fuel line considerations | Ensure the fuel line is long enough and made of compatible materials, such as marine-grade for boats. |
| Fuel filler cap | A fuel filler cap can be used to run a fuel line to an additional source. |
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What You'll Learn
Extending the fuel line
When extending a fuel line, there are a few key considerations and methods to keep in mind. Firstly, it is important to determine the cause of the issue. In some cases, a low fuel level in the tank can be the problem, and simply filling up the tank may resolve the issue.
If you're looking to extend the fuel line to balance the weight of your vehicle, it is important to use the appropriate type of fuel line. For boats, a marine-grade fuel line is recommended. Additionally, it is advised to avoid just adding a longer piece of hose as it may curl and cause the end to be too high. Instead, consider using steel tubing or a similar material to extend the fuel pickup, ensuring it is secure and doesn't curl or bend.
If you're dealing with a generator, there are a few options to extend the fuel tank. One method is to purchase a replacement tank from another piece of equipment, such as a boat tank, and run a fuel line to the carburettor while keeping the primary tank in place. This allows you to reconnect the existing tank when needed. Alternatively, you can use a fuel filler cap, screwing it onto your tank and running a fuel line to your desired source.
For those with a Honda generator or a similar model, the fuel pump will draw fuel from the second tank by vacuum, so the second tank doesn't need to be higher. This eliminates the need for the generator to have fuel in the other tank, and separation can be achieved without spilling any gas.
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Replacing the tank
If you are looking to replace your fuel tank, there are a few things to consider. Firstly, the ease of replacement depends on the make and model of your vehicle, as well as the location of the exhaust, driveshafts, and other components. It is also important to assess the accessibility and condition of the fasteners, as they may be rusty and difficult to remove. If you are planning to discard the old tank, installing a new one will be easier since it will be empty.
When replacing the fuel tank, it is recommended to bring a jack and some stands for support. You may also need new hanger straps, bolts, and tank supports, especially if your vehicle is older. It is important to note that the process can be messy, so be prepared for that. Additionally, having a buddy or a team of people to help can make the job easier, as it can be a complex task for one person.
If you are looking for a temporary solution before replacing your vehicle, you can consider using a puncture patch kit to repair the hole in the fuel tank. These kits are fairly easy to use, but they may not last long. Another option is to use a product like JB Weld to seal the puncture, which can buy you a few months before getting a new vehicle or fuel tank.
When choosing a replacement fuel tank, consider opting for a high-quality option, such as those offered by Transfer Flow, Inc. Their replacement fuel tank systems are made from aluminized steel for superior durability and strength. They are also baffled to reduce fuel sloshing during acceleration, braking, and cornering, resulting in a safer and more stable driving experience. Additionally, their tanks come with a 6-year, unlimited-mile warranty, providing peace of mind on the road.
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Using a fuel filler cap
Fuel filler caps are an essential component of fuel tanks, serving the critical function of preventing dripping and debris such as leaves and rainwater from entering the tank. They are available in a variety of materials and sizes to suit different applications. When choosing a fuel filler cap, it is important to select the most suitable material for your specific use case.
One innovative product available on the market is a gas cap that can be left on while refilling your tank. This cap features a spring-loaded gasket-sealed flap that allows you to push a gas cap through the centre. This design not only prevents you from forgetting your gas cap at the gas station but also ensures a secure refuelling process.
In some cases, extending your fuel tank may be preferable to simply replacing the fuel filler cap. One option is to purchase a replacement tank from another piece of equipment, such as a boat tank, and run a fuel line to the carburettor. This approach allows you to leave the primary tank in place while utilising the additional fuel capacity of the secondary tank when needed.
It is important to note that attempting to incorporate modifications into the existing fuel cap's opening is generally not recommended. Instead, it is advisable to explore products specifically designed for extending fuel tank capacity, such as those mentioned in online forums and communities. These products offer safer and more reliable solutions for increasing your fuel tank's capacity.
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Adding an extra tank
Types of Auxiliary Tanks
Auxiliary tanks come in various shapes and sizes and can be mounted in different locations depending on your vehicle. Most often, auxiliary tanks are mounted beneath a vehicle, but they can also be placed on top, such as in the case of truck bed transfer tanks offered by manufacturers like TITAN. Auxiliary tanks can be purchased as aftermarket products, with some companies specialising in high-capacity gasoline and diesel tanks made from durable materials like military-grade polymer.
Installation
Installing an auxiliary tank can be a complex process, and you may need to consult a trained professional unless you have the necessary skills and tools. Some tanks, like the Delica tank, integrate seamlessly with your vehicle's existing fuel system, including the stock fuel gauge, light, and OE fill neck. This ensures that your dashboard maintains its original, clean look while providing increased fuel capacity.
Transferring Fuel
Auxiliary tanks, such as those offered by LRA and TITAN, allow for convenient refuelling. With the press of a button, the auxiliary tank will transfer fuel to the main tank, no matter where your vehicle is located. This "fill on the go" feature ensures that you can extend your journeys without worrying about finding a refuelling station.
Vehicle Compatibility
It's important to note that not all vehicles may have the necessary space to accommodate an auxiliary tank. While trucks often provide more flexibility in terms of tank sizes and placement options, smaller vehicles might not have the required clearance. Additionally, some vehicles may require custom tank solutions, especially if they have unique configurations, like a long bed SD setup.
Range Considerations
Before purchasing an auxiliary tank, be sure to check the range statistics to ensure it meets your needs. Auxiliary tanks can significantly increase your vehicle's range, often doubling the original capacity. For example, the Pajero's range increased to 500-plus miles after installing an auxiliary tank.
By following these steps and considerations, you can successfully add an extra tank to extend your fuel tank capacity and enhance your vehicle's range and performance.
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Extending the fuel pickup
Another option is to use a fuel pickup tube relocation kit, which allows you to move the pickup tube to a different location within the fuel tank, often to a lower position to improve fuel pickup when the tank is not full. This type of kit typically includes a new pickup tube, a mounting bracket, and any necessary hardware for installation.
In some cases, it may be possible to extend the fuel pickup by welding or soldering a longer tube in place of the existing one. This method requires more skill and equipment and is generally a more permanent modification. As one user on the Nissan Patrol forum reported, they successfully extended their fuel pickup with steel tubing and silver solder.
Additionally, some vehicles may offer aftermarket fuel tank options with larger capacities, which can provide increased fuel pickup range. For example, current Jeeps offer a 50-gallon fuel tank option that can be installed aftermarket, providing an extended fuel range compared to the standard tank.
It is important to note that extending the fuel pickup may require careful measurement and consideration of the fuel tank's geometry to ensure that the pickup tube reaches the lowest point of the tank, where the fuel will pool, and that it does not interfere with any other components.
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Frequently asked questions
Yes, it is possible to extend your car's fuel tank. You can replace the existing tank with a larger one or add an additional tank. However, it may be challenging due to space constraints, and it is recommended to consult a professional for guidance.
To extend the fuel tank of your boat, you can try moving the fuel tank to the front to balance the load. Ensure the tank is full, and consider extending the fuel line with marine-grade materials.
Yes, there are commercial options available for extending a generator's fuel tank. You can purchase a replacement tank or use a fuel filler cap with a fuel line connected to an additional source.
When extending a fuel tank, ensure any modifications are safe and comply with regulations. Consider the available space, and be cautious when working with fuel to avoid leaks or safety hazards. Consult professionals or seek advice from forums specific to your vehicle or equipment.
