Katerina Swanson
Jeep enthusiasts have been discussing the possibility of relocating the fuel tank of their vehicles, specifically the LJ model, to improve performance and address clearance issues. Some have suggested moving the tank to the back seat area or behind the rear axle, freeing up weight and providing more suspension options. Others have considered using a GenRight or Motobilt fuel tank, which can be mounted in the rear, or opting for a fuel cell instead of the stock tank. While these modifications may enhance performance, safety concerns have been raised, particularly regarding having the fuel tank within the cabin area.
| Characteristics | Values |
|---|---|
| Reasons for relocation | To increase clearance, avoid damage, and improve suspension and axle options |
| Fuel tank location | Behind the rear axle, in the rear cargo area, or in the back seat area |
| Fuel tank type | GenRight Crawler tank, Motobilt relocation fuel tank, or custom |
| Fuel tank capacity | 19-25 gallons |
| Modifications required | Removal of the factory rear sway bar, EVAP system modifications, fuel pump replacement |
| Cost | Around $900 for the GenRight Crawler tank |
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What You'll Learn
Jeep LJ fuel tank relocation for suspension and axle options
Jeep LJ owners often consider relocating the fuel tank to free up space for suspension and axle upgrades. The stock location of the fuel tank under the Jeep can limit the type of suspension and axle setups that can be installed.
One option for relocating the fuel tank is to move it to the rear of the Jeep. This can be done by purchasing an aftermarket fuel tank and skid plate, such as the Motobilt Jeep JL fuel tank and skid plate. This particular setup moves the fuel tank from the center of the vehicle to behind the rear axle, allowing for more suspension and axle options. The Motobilt fuel tank is designed to bolt directly into the existing holes in the factory frame, making it a relatively straightforward installation.
Another option for relocating the fuel tank is to move it to the back seat area. This option frees up even more space and can be ideal for those who do not need the rear seats. However, it is important to note that there may be safety regulations prohibiting the placement of the fuel tank within the cabin area. Always check local laws and regulations before making any modifications to your vehicle.
Some Jeep LJ owners have also mentioned the option of using a GenRight fuel tank, which mounts in the back, where the factory muffler goes. This option is relatively affordable and includes a skid plate, using the factory location for the filler.
When considering fuel tank relocation, it is important to keep in mind the type of suspension and axle setup you plan to install. For example, if you are planning to install a triangulated 4-link suspension, you will need to ensure that the fuel tank is relocated to provide adequate clearance. Additionally, you may need to modify the Evap system and fuel pump when relocating the fuel tank, so it is crucial to do thorough research and consult with experts before making any modifications.
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Relocating the fuel tank to the back seat area
Planning:
Firstly, you need to determine the exact location of the fuel tank in the back seat area. Consider the available space, and ensure that the fuel tank will fit without obstructing other components. It is also crucial to check your local laws and regulations regarding fuel tank placement within the vehicle cabin for safety reasons.
Removing the Old Fuel Tank:
Before starting, make sure you have the necessary tools and safety equipment, such as gloves and eye protection. Drain the existing fuel tank completely, and disconnect all the fuel lines, hoses, and electrical connections. Carefully remove the tank from its original location, being mindful of any sharp edges or residual fuel.
Preparing the New Fuel Tank:
Acquire a suitable fuel tank for the relocation. You can choose a stock tank or opt for a fuel cell, ensuring it is compatible with your Jeep's specifications. Prepare the new fuel tank by cleaning it and ensuring it is free of any debris. You may also need to modify the tank to fit the new location, such as adding a filler neck or adjusting the fuel pump.
Installing the New Fuel Tank:
Install the new fuel tank in the back seat area securely, ensuring it is properly mounted and fastened in place. Connect the fuel lines, hoses, and electrical connections to the new tank, following the manufacturer's instructions. Pay close attention to the fuel pump shaft installation, as mentioned by LMC Truck, to ensure it is installed correctly before proceeding.
Testing and Finalizing:
Once the new fuel tank is installed, carefully inspect all connections for leaks or damage. Test the fuel system by refilling the tank and checking for any signs of leakage. Ensure that the fuel gauge and other related components are functioning correctly. Finally, tidy up the installation by securing any loose wires or hoses and ensuring the back seat area is neat and accessible.
By following these steps and seeking further guidance from Jeep enthusiast forums and professionals, you can successfully relocate the fuel tank to the back seat area of your Jeep LJ. Remember to prioritize safety and adhere to any relevant regulations throughout the process.
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Jeep LJ fuel tank relocation for triangulated 4-link suspension
Jeep LJ fuel tank relocation is a popular modification, especially when upgrading to a triangulated 4-link suspension setup. This modification can provide several benefits, including improved suspension articulation, increased ground clearance, and enhanced off-road performance.
The Jeep LJ, known for its off-road capabilities, has an extra rear crossmember that provides an opportunity for fuel tank relocation. By removing the inner rear crossmember and moving the fuel tank back, you can achieve additional clearance and create space for suspension upgrades. This modification is particularly useful when installing a triangulated 4-link suspension, as it allows for better component placement and improved suspension travel.
When relocating the fuel tank, it is essential to consider the legal and safety implications. Some jurisdictions may have regulations prohibiting the placement of fuel tanks within the cabin area for safety reasons. It is crucial to consult local laws and regulations before making any modifications. Additionally, ensuring proper installation and construction of fuel cells is vital to mitigate potential risks.
Several companies offer products specifically designed for Jeep LJ fuel tank relocation. Motobilt, for example, provides a rear fuel tank and skid system for the Jeep JL that bolts directly into existing holes in the factory frame. This system is compatible with the factory EVAP system and fuel pump, simplifying the relocation process. Other companies, such as GenRight and Poison Spyder, also offer fuel tank relocation solutions, including tanks and mounting kits, that can facilitate the upgrade to a triangulated 4-link suspension.
When undertaking fuel tank relocation, it is important to carefully plan and consider the specific requirements of your Jeep LJ and the desired suspension setup. The relocation process may vary depending on the model year and specific modifications made to your vehicle. Online forums and communities dedicated to Jeep enthusiasts can be valuable resources for detailed information, tips, and tricks specific to your project.
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$99.53
Jeep LJ fuel tank relocation for coil buckets
The Jeep LJ fuel tank can be relocated, and this is often done to free up space and reduce the weight of the vehicle. One common location for the fuel tank is in the back seat area, which requires the use of a fuel cell instead of the stock tank. This can be done by purchasing a fuel cell and mount from companies like Motobilt and Genright, which is specifically designed for the Jeep LJ.
Relocating the fuel tank to the back seat area can provide several benefits. Firstly, it frees up extra weight, as the fuel tank skid is no longer necessary. This can improve the vehicle's performance and handling. Additionally, it can also improve clearance, especially when wheeling where clearance matters.
However, it is important to consider the legal implications of relocating the fuel tank. There may be laws forbidding the placement of the fuel tank within the cabin area for safety reasons. In the event of a collision or rollover, having the fuel tank inside the vehicle could pose a significant risk.
Another option for relocating the fuel tank is to move it to the rear of the vehicle. This can be done by removing the "inner" rear crossmember and moving the gas tank back to the rear one, as seen in the Poison Spyder Daddy Longlegs build. This will move the gas tank back by around five inches.
When relocating the fuel tank, it is essential to consider the type of suspension and modifications made to the vehicle. For example, if you are doing a rear stretch, moving the axle back, or have extensive suspension and frame modifications, you may need to remove the tank from under the Jeep and replace it with a fuel cell.
Additionally, when considering fuel tank relocation, it is worth mentioning the Jeep Wrangler TJ/LJ Weld-On Rear Coil Buckets. These buckets help eliminate coil bowing with lifted height springs and allow the coils to perform optimally. This option requires cutting and welding, and users should be confident in their mechanical skills when installing these builder parts.
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Jeep LJ fuel tank relocation for rear crossmember
Jeep LJ fuel tank relocation is a popular modification for off-road enthusiasts aiming to improve ground clearance and protect the gas tank from damage while traversing rugged terrain. The Jeep LJ has an extra rear crossmember that provides an opportunity for fuel tank relocation. Here is a comprehensive guide on relocating the fuel tank to the rear crossmember in a Jeep LJ:
Planning and Considerations:
Before starting the relocation process, it's important to assess the available clearance and determine if the modification is necessary. Some Jeep LJ owners opt for a "'tummy tuck' modification, which involves adding a gas tank skid plate to lift the tank slightly, without relocating it. This may be sufficient for some owners who do not require extensive suspension modifications.
It's also crucial to consider the legal aspects of fuel tank relocation. In some jurisdictions, there may be safety regulations prohibiting the placement of fuel tanks within the cabin area. Always ensure that your modifications comply with local laws and safety standards.
Removal of the Inner Rear Crossmember:
The Jeep LJ has an additional inner rear crossmember that the fuel tank skid mounts to. This crossmember can be removed to facilitate fuel tank relocation. When removing this crossmember, you have the option to either fabricate a new one or modify the existing TJ/LJ rear crossmember to fit. Some LJ owners have mentioned welding a new crossmember in place, while others have suggested cutting and modifying the existing crossmember to suit the new fuel tank location.
Fuel Tank Options:
When relocating the fuel tank, you have the choice of using the stock tank or opting for an aftermarket solution. Aftermarket companies like Motobilt and Genright offer fuel tanks specifically designed for relocation purposes. These tanks often include features such as fuel cells, which provide added safety and peace of mind. If you choose to retain the stock tank, ensure that necessary modifications are made to the Evap system and fuel pump to maintain proper functionality.
Relocation Process:
The relocation process involves moving the fuel tank back to the rear crossmember, typically resulting in a displacement of around five inches. This modification provides additional clearance and reduces the chances of damage to the fuel tank skid during off-road excursions. It is recommended to perform this relocation when other projects are underway, such as coil spring correction or shock upgrades, as it allows for easier access and streamlined installation.
Post-Relocation Considerations:
After relocating the fuel tank, it is essential to consider the integrity of the vehicle's structure. Removing the inner rear crossmember may impact the overall strength of the frame. Some LJ owners have expressed concerns about potential integrity loss, especially when removing the sturdier front crossmember. Ensure that proper reinforcement techniques are employed to maintain the structural integrity of the Jeep LJ after the modification.
In conclusion, relocating the fuel tank to the rear crossmember in a Jeep LJ involves careful planning, consideration of legal and safety aspects, and mechanical expertise. This modification can significantly enhance the off-road capabilities of your Jeep LJ while also providing peace of mind during off-road adventures. Always consult with experienced mechanics or Jeep enthusiasts before undertaking such modifications to ensure a safe and successful outcome.
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Frequently asked questions
Yes, it is possible to relocate the fuel tank of a Jeep LJ.
Relocating the fuel tank can free up extra weight and create more space. It can also reduce the risk of damaging the tank when wheeling.
Yes, there may be safety laws prohibiting the relocation of the fuel tank to within the cabin area. It is important to check the relevant laws and regulations before making any modifications.
There are a few options for relocating the fuel tank, including moving it to the rear muffler area, behind the rear axle, or in place of the back seat. It is also possible to use a fuel cell instead of the stock tank.
Yes, there are a few products available on the market for relocating the Jeep LJ fuel tank. Motobilt offers a relocation fuel tank for both the 2-door and 4-door Jeep JL, which moves the fuel tank behind the rear axle. Gen-Right also offers a 20-gallon aluminum "Crawler" tank that mounts in the back, in place of the factory muffler.
