
Auxiliary fuel tanks are a great way to extend the range of your vehicle. ATI offers auxiliary fuel tanks for diesel and gasoline vehicles, and they can be installed on trucks and cars. The installation process for an ATI auxiliary fuel tank varies depending on the vehicle, but there are a few key steps that are typically involved. First, you'll need to purchase the correct auxiliary install kit for your vehicle. Then, you'll need to remove the paint from the underside of the truck bed or car where the tank will be bolted in. Next, you'll need to connect the auxiliary tank to the vehicle's fuel filler neck and ensure that the fuel level is controlled automatically. Finally, you'll need to ground the tank and ensure it is bolted in securely.
ATI Auxiliary Fuel Tank Installation Characteristics
| Characteristics | Values |
|---|---|
| Installation Kit | Fuel Shotz Diesel Install Kit |
| Compatibility | Works with all ATI auxiliary fuel tanks and ATI fuel tank & toolbox combos |
| Ease of Installation | Easy to install, no wire splicing or switches needed |
| Safety | Meets DOT requirements for diesel auxiliary, comes with rollover protection |
| Warranty | 1-year limited warranty |
| Additional Features | Lockable fuel filler cap, fuel gauge, powder coat |
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What You'll Learn

ATI Fuel Shotz diesel install kit
The ATI Fuel Shotz diesel install kit is designed to increase the range and capacity of your diesel factory fuel tank. The kit hooks directly to your diesel fuel tank, keeping the factory tank full until the auxiliary tank is empty. The system is easy to install, with no wire splicing or switches needed.
The ATI Fuel Shotz kit only works with ATI Auxiliary Fuel Tanks and meets DOT requirements for diesel auxiliary. It is a custom auxiliary install kit for use with ATI Diesel Auxiliary Fuel Tanks. After purchasing the kit, you will be contacted via email to confirm the make and model of your truck to match the correct install kit.
The installation process involves placing the tank in the desired location, ensuring clearance underneath to avoid drilling into brake lines, fuel lines, etc. You will then need to drill and install one bolt, a flat washer, a lock washer, and a nut, tightening it securely. It is important to note that after drilling the mounting hole, you should sand off any paint to bare metal on the bottom side of the truck bed around the bolt hole to ensure a good ground.
The ATI Fuel Shotz diesel install kit offers a range of features and options. All refueling tanks come with a lockable fuel filler cap, and an optional locking fuel cap is available for auxiliary fuel tanks. Fuel gauges are also available as an option for all auxiliary and refueling tanks. Additionally, you can choose to have a black powder coat on your fuel tank, with gloss black as the standard colour, but textures and other colours are also available.
The tanks are manufactured to meet and exceed the requirements for gasoline, kerosene, methanol, and diesel. They are visually inspected and pressure-tested for leaks, and a video inspection system is used to check for penetration inside the tank. The tanks also come with a one-year limited warranty, with Severe Series tanks covered for 5 years.
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Auxiliary tank installation for Ford trucks
Auxiliary fuel tanks can be a great way to extend the range of your Ford truck. These tanks can provide anywhere from 30 to 100 gallons of extra fuel capacity, depending on the size of the tank and the make of your truck.
When installing an auxiliary fuel tank, it is important to consider the type and brand of the transfer tank. Some tanks have a vent, while others do not. If you are using gravity to flow fuel, your tank must have a vent. It is also important to consider the use of a valve or solenoid. Solenoids can produce a lot of heat and draw a lot of current, so some people prefer to use a motorized ball valve instead.
Another consideration is the fuel pump. Bed-mounted auxiliary fuel tanks typically include a fuel pump mounted on top of the tank, with a draw tube that stops 2 to 3 inches short of the bottom of the tank. This helps to prevent contaminants and water from being delivered into the main tank, as these will sink to the bottom of the auxiliary tank.
When filling the tank, you may need to purchase a new fuel filler neck to route the tank into the filler neck without ruining the original one that came with your truck.
Finally, you will need to connect the auxiliary tank to your truck's fuel filler neck. This can be done using an installation kit, such as the ATI Diesel Auxiliary Installation Kit for Ford trucks, which automatically controls the fuel level going into your OEM tank.
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Condensation in auxiliary tanks
Condensation in auxiliary fuel tanks is a topic that has been discussed and debated over the years, with some considering it a myth. While it is rare to see tanks sweating, condensation can occur under certain conditions and is more likely to be a long-term storage issue.
The formation of condensation in a fuel tank is influenced by various factors, including temperature, humidity, and the volume of air and fuel in the tank. At higher temperatures, the absolute water-carrying capacity of air increases. Additionally, the amount of water vapour in the air is very small, even at 100% humidity. For instance, at 20°C and 50% humidity, the maximum amount of water vapour in the air is 17 grams per cubic meter.
To understand the likelihood of condensation in auxiliary fuel tanks, it is important to consider the conditions inside the tank. On average, fuel tanks are typically half full, reducing the volume available for vapour. The rapid heat transfer properties of aluminium, a common material for fuel tanks, allow it to adjust quickly to changes in atmospheric temperature. However, for condensation to form, a surface must be significantly colder than the air, which is not a common occurrence in fuel tanks.
While condensation may not be a prevalent issue in auxiliary fuel tanks, it is essential to consider other factors that can lead to water ingress. Water can enter the tank through various means, such as deteriorated plastic and zinc alloy fittings, or the absence of a vertical vent tube inside the boat during washdown. These sources of water ingress can contribute to water accumulation in fuel tanks, which should be addressed through proper maintenance and inspection.
To summarise, while condensation in auxiliary fuel tanks may not be a widespread concern, it is important to remain vigilant about potential sources of water ingress and take preventive measures to ensure the integrity of the fuel system. Regular inspections and maintenance can help identify and mitigate any issues related to water accumulation in fuel tanks.
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Lockable fuel filler caps
To install an ATI auxiliary fuel tank, you can use the Fuel Shotz Diesel Install Kit, which hooks directly to your diesel fuel tank. The kit is designed for easy installation, with no wire splicing or switches needed, and meets DOT requirements for diesel auxiliary use.
Now, onto the topic of lockable fuel filler caps. Tank Retailer, the manufacturer of ATI auxiliary fuel tanks, offers a range of options to enhance the security of your fuel tank. Firstly, all of their refueling tanks come equipped with a lockable fuel filler cap as a standard feature, providing a basic level of protection against unauthorized access.
Additionally, they offer an optional locking fuel cap for their auxiliary fuel tanks. This optional feature allows you to further secure your auxiliary fuel tank, ensuring that only individuals with a key can access the fuel. This can be particularly useful if you have a custom auxiliary fuel tank installation or prefer the added peace of mind that a locking fuel cap provides.
Taking security a step further, Tank Retailer also offers their Fuel Safe auxiliary fuel tanks. In this design, the fuel filler and fittings are strategically placed inside a lockable toolbox compartment. This configuration provides an additional layer of protection, not only requiring a key but also physically shielding the fuel filler and fittings from potential tampering or theft.
Beyond the offerings from Tank Retailer, there are other options available on the market for lockable fuel filler caps. For example, Amazon offers a range of locking gas caps suitable for various vehicle models, including the Dodge Ram 1500 and Jeep Wrangler. These locking gas caps are designed as automotive replacement fuel tank caps, allowing you to upgrade the security of your existing fuel tank or replace a worn-out or damaged cap.
Furthermore, the Gates Corporation provides locking fuel caps that are known for their rugged, heavy-duty construction. These caps are designed to meet or exceed OEM specifications and offer versatility by fitting both shallow and deep cam filler necks. They are available in vented, non-vented, and vented anti-surge configurations to suit your specific requirements. The Gates locking fuel caps also come with two keys, providing access control for you and another authorized user.
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Fuel gauges
The Transfer Flow Fuel Gauge for refueling tanks is another option. When your gauge reads half full, you have approximately half a tank of fuel. Most functions on your truck's trip computer should work properly, except for the miles-to-empty feature, which will continue to read fuel levels as if you still have the stock tank installed. The Transfer Flow system comes with comprehensive step-by-step instructions and every part required for installation.
The ATI Fuel Shotz diesel install kit hooks directly to your diesel fuel tank. It is easy to install, with no wire splicing or switches needed. The kit only works with ATI Auxiliary Fuel Tanks and meets DOT requirements for diesel auxiliary. The Fuel Shotz system also complies with DOT requirements but must be installed per the provided instructions.
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Frequently asked questions
The ATI Fuel Shotz diesel install kit is designed to connect your ATI auxiliary diesel fuel tank to your truck's fuel filler neck. It hooks directly to your diesel fuel tank and automatically controls the fuel level going into your OEM tank.
The kit is easy to install, with no wire splicing or switches needed. It also meets DOT requirements for diesel auxiliary.
All of the tanks are visually inspected and pressure-tested for leaks. They also come with a lockable fuel filler cap and a one-year limited warranty.











































