Mercedes Mullins
The 1979 Ford Bronco is compatible with a 33-gallon fuel tank. However, there are also 20- and 25.5-gallon fuel tanks available for this model. The stock fuel tank for the 1978 and 1979 models, as well as early 80s Broncos, was 33 gallons. This can be interchanged with a 25.5-gallon tank, which does not have a skid plate and is held up by straps.
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What You'll Learn
The 1979 Ford Bronco's fuel tank size is 33 gallons
There are two other fuel tank sizes available for the 1979 Ford Bronco. One is a 25.5-gallon tank, and the other is a 20-gallon tank. The 25.5-gallon tank does not have a skid plate and is held up by straps, whereas the 33-gallon tank has a skid plate and hangs lower. The 20-gallon tank is a non-EFI tank that can be used with carbureted motors and is compatible with the 1978 and 1979 Ford Bronco models.
The 33-gallon fuel tank has its advantages and disadvantages. On the one hand, it allows for a longer distance between gas stops, but on the other hand, it costs more to fill up. Additionally, the larger tank decreases the departure angle and adds more weight to the rear when full, but this extra weight can provide better traction.
There are also different fuel tank options for the 1979 Ford Bronco depending on the engine type. For fuel-injected engines, a 21-gallon EFI fuel tank is available, which includes an Aeromotive Stealth 340 in-tank pump. This tank is made from 1/8" 5052-H32 aluminum and mounts in the stock location. It is perfect for fuel-injected engine swaps and may require relocating the rear crossmember.
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There are also 25.5-gallon and 20-gallon options
The 1978-1979 Ford Bronco has a few different fuel tank options available, including 25.5-gallon and 20-gallon variants. The 25.5-gallon fuel tank is an option for those without a skid plate, as it is held up by straps and does not hang down as low as the 33-gallon option. This provides better clearance and is ideal if you don't plan on doing any hardcore wheeling in your Bronco.
The 25.5-gallon tank also has pros and cons when compared to the 33-gallon option. The larger tank means longer distances between gas stops, but it will cost more to fill up. The 33-gallon tank also decreases the departure angle and adds more weight to the rear when full, but this can result in better traction.
The 20-gallon fuel tank is a NON-EFI option, which is perfect for carbureted motors. This tank has a standard bed fill with a cap that sticks up approximately 3 inches and sits just below the bed floor. This setup requires a bed fuel door. The 20-gallon tank also includes a rollover safety valve, which is designed to allow air in and out of the tank and prevent fuel leaks in the event of a rollover.
There is also a 21-gallon EFI fuel tank option for the 1978-1979 Ford Bronco, which includes an Aeromotive Stealth 340 in-tank pump. This tank is ideal for fuel-injected engine swaps and mounts in the stock location. The Aeromotive Stealth 340 pump provides plenty of fuel pressure for fuel-injected projects, and the setup also includes a rollover safety vent to prevent fuel leaks.
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The 33-gallon tank is held up by a skid plate
The 1978 and 1979 Ford Bronco models came with a 33-gallon fuel tank. This tank is held in place by a skid plate. This larger tank has several advantages over the 25.5-gallon alternative. Firstly, it allows for longer distances between fuel stops, which is particularly useful for long-distance travel. Secondly, the extra weight in the rear when the tank is full provides better traction. However, the larger tank also has some drawbacks. It decreases the departure angle, and it hangs lower than the smaller tank, which is held up by straps.
The 33-gallon fuel tank is a popular option for Ford Bronco owners and enthusiasts. It is compatible with the 1979 model and can be purchased online. The tank is held up by a skid plate, which provides support and stability. This feature ensures that the tank is securely fastened in place, preventing any unwanted movement or vibration during driving. The skid plate is designed to withstand the weight of the fuel tank and provide a sturdy base.
One of the main benefits of the 33-gallon fuel tank is its increased fuel capacity. With this larger tank, drivers can travel longer distances without needing to stop for fuel. This can be especially advantageous for those who frequently embark on long-distance trips or who live in remote areas with limited access to fuel stations. The increased fuel capacity can provide peace of mind and reduce the worry of running out of fuel during extended journeys.
Additionally, the 33-gallon fuel tank offers improved traction compared to the smaller tank. When the tank is full, the extra weight is distributed to the rear of the vehicle, resulting in better traction. This can be beneficial in various driving conditions, such as on slippery or uneven surfaces. The added weight can enhance the vehicle's grip and stability, providing a smoother and more controlled driving experience, particularly in challenging terrain.
While the 33-gallon fuel tank offers several advantages, it's important to consider potential drawbacks. One consideration is the decreased departure angle due to the larger size of the tank. This may impact the vehicle's off-road capabilities and manoeuvrability in certain situations. Additionally, the larger tank hangs lower than the smaller option, which could be a concern when navigating rough terrain or obstacles. However, the skid plate that holds the tank in place ensures its security and provides some protection against potential hazards.
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The 25.5-gallon tank is held up by straps
The 1978 and 1979 Ford Bronco models came with a 33-gallon gas tank as standard. However, some Bronco owners have discussed the availability of a 25.5-gallon tank as an alternative option. This smaller tank does not hang down as low as the 33-gallon tank and is held up by straps, rather than a skid plate.
While the exact location of the straps may vary depending on the Bronco model and body style, they are generally attached to strategic points that can withstand the weight and provide stability to the fuel tank. The straps are designed to be strong enough to bear the weight of the tank when it is full, ensuring safe and secure transportation of fuel.
The use of straps to hold the 25.5-gallon tank offers several advantages. Firstly, it allows for a slightly higher clearance due to the tank hanging down less. This can be beneficial when navigating rough terrain or in off-road situations. Additionally, the strap-mounted tank is lighter than the skid plate option, reducing the overall weight of the vehicle and potentially improving fuel efficiency.
However, one consideration to keep in mind with the 25.5-gallon tank is the lack of a skid plate. The skid plate on the larger tank provides additional protection and can be advantageous in certain off-road scenarios. Nevertheless, the strap-mounted tank is a viable option for those seeking a more compact and lightweight fuel storage solution for their Bronco.
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EFI fuel tanks are also available for the 1979 Ford Bronco
The 1979 Ford Bronco was originally fitted with a 33-gallon gas tank. However, some sources suggest that a 25.5-gallon tank was also an option.
Another option for an EFI fuel tank is to purchase a DIY kit. One source suggests using a 1985/86 f-150 38-gallon rear tank from rockauto (SPECTRA PREMIUM F26D) which will bolt into a 1979 Ford Bronco. This option requires additional parts such as a sending unit, a factory inline external pump, and a factory-style inline filter.
It is important to note that when considering an EFI fuel tank conversion, there have been reports of fuel starvation and cavitation issues, especially when using an in-line fuel pump with an original OEM fuel tank. As such, it is recommended to do thorough research and consult with professionals before making any modifications to your vehicle.
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Frequently asked questions
The 1979 Ford Bronco came with a 33-gallon gas tank. However, some sources suggest that a 25.5-gallon tank was also available.
Fuel tanks for the 1979 Ford Bronco are available from various retailers, including Amazon and Fat Fender Garage.
The 1978-1979 Ford Bronco has fuel tank capacities of 20, 21, and 33 gallons available, depending on the type of fuel system and motor setup.
When choosing a fuel tank for your 1979 Bronco, consider the fuel system (carbureted or fuel-injected), the motor setup, and any additional features such as skid plates, straps, or fuel level sensors.
