Regan Brown
Many vehicle owners have expressed their desire for larger fuel tanks, especially when embarking on long trips or towing. While some opt for aftermarket upgrades, safety concerns and increased weight impacting fuel efficiency and performance are important considerations. Auxiliary fuel tanks or Jerry cans offer alternative solutions, providing extra fuel without modifying the factory fuel system. Ultimately, the decision to upgrade depends on individual needs, with some prioritising convenience and range over the cost and potential safety risks.
| Characteristics | Values |
|---|---|
| Benefits of a bigger fuel tank | Less frequent fill-ups, convenient, more range, can buy cheaper fuel |
| Drawbacks of a bigger fuel tank | Expensive, heavy, less safe, fiddly to install, less fuel-efficient |
| Vehicles with bigger fuel tank options | Jeep, Chevy, GMC, Ford, Toyota, Titan, Transfer Flow, Overland Journal |
| Alternative options | Jerry cans, auxiliary fuel tank, custom-made second fuel tank, fuel cell |
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What You'll Learn
Safety considerations
When considering a bigger fuel tank, it is important to keep in mind the potential safety risks involved. Firstly, a larger tank will increase the overall weight of the vehicle, which could impact its performance and handling. This is especially important if you are planning to install a bigger fuel tank on a car, as the added weight may affect its acceleration, braking, and overall agility.
Secondly, a bigger fuel tank means a larger volume of flammable liquid, which increases the risk of fire or explosion in the event of an accident. This is a significant consideration, as a car accident with a larger fuel tank could potentially result in a more severe outcome. It is also essential to ensure that the fuel tank is securely installed and does not leak, as a fuel leak could pose a serious safety hazard.
In addition, the placement of the larger fuel tank should be carefully considered. For example, in cars, the placement of the fuel tank can affect the vehicle's centre of gravity, potentially impacting its stability and handling. Furthermore, the installation of a bigger fuel tank may require modifications to the vehicle's fuel system, which could introduce new safety concerns if not done properly.
For those considering a bigger fuel tank for their vehicle, it is crucial to research and understand the specific safety requirements and regulations that apply. This includes understanding the engineering challenges and ensuring that any modifications are compliant with local laws and safety standards. It is also recommended to consult with professionals who have experience in installing larger fuel tanks to ensure the safety and integrity of the vehicle.
Lastly, when it comes to the safety of fuel tanks, regular maintenance and inspections are critical. This includes checking for leaks, corrosion, and any potential damage that could compromise the integrity of the tank. Proper maintenance can help identify and address issues before they become safety hazards. Additionally, having a spill kit readily available is important in the event of a fuel spill, as it can help contain and clean up the spill quickly and effectively.
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Cost
The cost of a bigger fuel tank varies depending on the vehicle and the desired fuel tank capacity. For example, a user on a forum mentioned that they replaced their 26-gallon fuel tank with a 43-gallon tank from Titan, which cost them $1500-2000. Another user on the same forum stated that they considered purchasing a replacement fuel tank but found the price steep. They mentioned that one option they explored required removing the spare tire, which was unacceptable to them.
In another instance, a user on Reddit shared that they upgraded their fuel tank from 26 gallons to 44 gallons and occasionally use extra fuel cans. They did not specify the cost of the upgrade but mentioned that they would be willing to pay up to $1000 for a replacement tank. Similarly, another user on the same thread questioned whether adding 26 gallons of extra capacity for $2,395 was worth the cost. They calculated that this would amount to roughly $900 per ten gallons.
The cost of a bigger fuel tank can also be influenced by factors such as the type of fuel, the complexity of the installation, and the brand of the tank. For example, a user on a forum mentioned that they installed a Titan 52-gallon fuel tank on their GMC 2500 CC, which is a diesel truck. They did not specify the cost but noted that it was a great modification. Another user on the same forum inquired about the possibility of installing a bigger fuel tank on their gasser truck and mentioned that Ford offers a 48-gallon tank for long-bed trucks.
It is worth noting that some individuals choose to opt for alternative solutions instead of investing in a bigger fuel tank. For instance, a user on Reddit mentioned that they keep Jerry cans in their vehicle as a backup in case they run out of fuel. Similarly, another user on a forum stated that they installed an auxiliary fuel tank in their trunk, which serves as a second fuel tank.
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Weight
The weight of a bigger fuel tank and the fuel it carries is a key consideration when deciding whether to upgrade. The weight penalty of a larger fuel tank can affect fuel efficiency, performance, gearing, traction, rotational forces, and suspension compliance.
For example, one user with a 2017 GMC 3500 Diesel Dually truck replaced their 36-gallon tank with a 40-gallon tank, adding extra weight to their vehicle. Similarly, another user with a 2008 Chevy Silverado considered a larger tank for the range but was concerned about the added weight as they were already overweight.
The weight of a bigger fuel tank can also impact ground clearance and crash safety. In addition, the weight of the fuel itself is a factor, with gasoline weighing about 8 pounds per gallon. As a result, larger fuel tanks are typically found on larger trucks that are designed to carry more weight or tow.
However, some users argue that the weight impact of a bigger fuel tank is negligible. For instance, one user with a 2013 Ford F-250 noted that the weight of their 45-gallon tank did not affect their payload. Similarly, another user with a 2006 Chevy 3500 and a 48-gallon tank reported no issues after taking two long road trips of 11,000 and 15,000 miles.
Ultimately, the decision to opt for a bigger fuel tank involves weighing the benefits of increased range and convenience against the potential drawbacks of added weight and decreased fuel efficiency.
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$9.99
Convenience
One user commented that they would "love the extra range of a larger fuel tank" but that the weight of a larger tank and the fuel would exceed their vehicle's GVWR, so it was not a viable option. Another user agreed, stating that while they would like a bigger tank, the weight would negatively impact their towing capacity.
However, others have found that the convenience of a larger tank outweighs these concerns. One user with a 58-gallon tank in their F250 stated that it was "well worth it not having to worry about when to fill up." Another user with a 44-gallon tank in their overland rig noted that they had encountered unexpected situations where they needed to dip into their extra fuel reserves.
Some users opt for auxiliary fuel tanks or Jerry cans to add fuel capacity without modifying their vehicle's factory fuel system. These options provide added convenience and peace of mind without the expense and safety concerns of a larger primary fuel tank.
Ultimately, the decision to opt for a larger fuel tank depends on individual needs and circumstances. While larger fuel tanks can provide added convenience and range, they may also come with increased costs, weight, and safety considerations.
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Fuel efficiency
A larger fuel tank generally means a longer driving range between refuelling stops, making it ideal for long road trips or remote areas with scarce gas stations. However, a larger tank also adds weight to the vehicle, which can decrease fuel efficiency as more energy is required to move a heavier vehicle. Therefore, it is essential to find the right balance between fuel efficiency and fuel tank capacity.
To improve fuel efficiency, one can adopt fuel-efficient driving habits such as maintaining proper tyre pressure, minimising weight by avoiding unnecessary items, and practicing smooth acceleration and steady speeds, particularly on highways. Additionally, aftermarket modifications can be made to increase fuel tank capacity, but these must comply with safety regulations and not compromise performance or warranty.
Some individuals opt for larger aftermarket fuel tanks, especially for off-road or long-distance driving, while others prefer the convenience of extra fuel cans. Ultimately, the decision to prioritise fuel efficiency or opt for a bigger fuel tank depends on individual needs and driving habits.
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Frequently asked questions
Yes, you can get a bigger gas tank.
It is generally considered safe to get a bigger gas tank, but some users have expressed concerns about the added weight affecting performance and safety.
It depends on your usage. If you frequently go on long trips or have a vehicle with poor fuel efficiency, a bigger gas tank can be convenient and save you money in the long run. However, some users have mentioned that the cost of upgrading may outweigh the benefits.
Yes, some people choose to carry extra fuel cans or jerrycans to supplement their fuel supply without modifying their vehicle.
You can either purchase an aftermarket upgrade or consider a custom-made auxiliary fuel tank. It is recommended to research safety precautions and consult professionals before making any modifications.
