How to Connect an Additional Fuel Tank?

[LaArthur]

You need to install a tee at the fuel pipe of the main fuel tank, then add an electromagnetic valve and a control switch, and finally connect the fuel pipe to the auxiliary fuel tank to complete the installation. Then install the electromagnetic valve and control switch, and finally connect the fuel pipe to the auxiliary fuel tank to complete the installation of the auxiliary fuel tank. There are two types of fuel tank switches: one is installed on the fuel line from the fuel outlet pipe of the tank to the filter, and the other is installed between the main fuel tank and the auxiliary fuel tank.

[LeBella]

Adding an auxiliary fuel tank sounds cool, but you need to be careful in practice. I've installed a few myself, starting with finding the right location—auxiliary tanks are usually fixed in the trunk or under the chassis. Then, connect the fuel lines using high-quality hoses, running them from the auxiliary tank to near the main tank, typically with a manual switching valve to control fuel flow. Don’t forget to add a fuel pump to ensure smooth fuel transfer. I recommend checking local regulations first, as some places prohibit unauthorized modifications, which could even affect insurance. The biggest risk during installation is fuel leaks, so every connection must be tightly sealed with professional sealant, and after installation, a pressure test is a must for safety. The benefit is fewer stops on long trips, but don’t cheap out on low-quality parts—remember to regularly check the fuel level sensor, or you could end up with a burned-out fuel pump, which is a huge hassle.

[SanAlan]

I've been into car modifications for years, and adding an auxiliary fuel tank isn't too difficult. The key lies in the piping connection: After selecting and securing the position for the auxiliary tank, use a dedicated fuel hose to connect it to the return line or inlet of the main fuel tank. It's essential to install a two-way valve in between for easy switching of fuel sources. I recommend adding an electric fuel pump for automatic fuel transfer upon startup, which is more convenient. Safety-wise, always conduct a leak test by spraying soapy water on the connections to check for bubbles. Additionally, consider installing a fuel gauge to monitor the remaining fuel in the auxiliary tank to avoid running out unexpectedly. Wear gloves and goggles during installation, as fuel fumes can be quite irritating. Don't forget to check the vehicle manual for compatibility, as some car designs are unique and may damage the system. Overall, it's fuel-efficient and practical, but the installation might take a full day.

[DeJoel]

From a safety perspective, installing an auxiliary fuel tank requires meticulous steps. First, obtain a professional kit from a reputable manufacturer, including the tank, piping, and valves. Install it in a sturdy location, ensuring the piping connected to the main tank matches the pressure rating, and use corrosion-resistant materials to prevent aging and leaks. Don’t skimp on the switching valve—manual or automatic is fine, as long as it allows control over both fuel sources. The fuel pump installation must have proper wiring to avoid overloading and blowing fuses. The testing phase is critical—I always conduct a water simulation test for several hours to check for leaks. Compliance with regulations is essential, as many regions require approval for fuel tank modifications to avoid fines. Regular maintenance, such as replacing filters to prevent clogs, should not be overlooked. Safety first, savings second—life is priceless.