Regan Brown
The 6AN fuel line is a popular choice for car enthusiasts looking to upgrade their fuel systems. It is widely used as a fuel line, emission control line, and fuel return line, and can be fitted to ATM and OMG Carburetors. The 6AN fuel line kit is available in a variety of finishes, including black nylon braided hose and stainless steel. The kit includes fittings, hoses, and a fuel pressure gauge port, offering an easy installation process with clear instructions. For those seeking a cost-effective solution, the 6AN fuel line is a viable option, with some finding it to be cheaper than the Mazda OEM fuel line.
Characteristics and Values of a 6AN Fuel Line
| Characteristics | Values |
|---|---|
| Material | Braided nylon |
| Color | Black |
| Length | 10 ft |
| Fittings | 90-degree fitting, #6 AN hose barb adapter |
| Connectors | Swivel fitting |
| Use Cases | Fuel line, emission control line, fuel return line, fuel pump, EFI, LS swap |
| Compatible With | ATM and OMG Carburetors, carburetors with dual metering blocks and 7/8"-20 threaded ATM fuel bowls |
| Installation | Easy to assemble and install with clear instructions |
| Durability | Solid fittings and hoses, good finish and perfect threads |
| Cost | Reasonable price, free delivery available |
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$15.19 $15.99
What You'll Learn
Braided nylon fuel hose
The EVIL ENERGY 6AN Fuel Line Kit is a braided nylon fuel hose that comes in a 10-foot length and a black finish. It is widely used as a fuel line, emission control line, and fuel return line. It is also suitable for oil filter bypass and offers durability and solid fittings at a reasonable price.
The hose is also available in a 20-foot length, with an inner diameter of 8.7 mm and an outer diameter of 13.89 mm. This size is recommended for oil, fuel, clutch, turbo, alcohol, and hydraulic applications. It has a working temperature range of -40°F to +350°F and a working pressure of 500 PSI.
Another option is the BRIFITOR 10AN Fuel Line Kit, which comes in a 20-foot length and includes 26 pieces of 10AN swivel hose end fittings. This kit is suitable for racing fuel, pump gas, fuels with ethanol, alcohol-based fuels, motor oil, and coolant.
When installing a braided nylon fuel hose, it is important to flush the hose with gas before connecting it to the injector feed line to remove any debris or junk that may be present.
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Welding a fitting on the fuel pump hanger
To begin the process of welding a fitting on the fuel pump hanger, you will need to gather the necessary materials and tools. These may include a fuel pump hanger lock ring and seal, a fuel tank filler neck grommet, a fuel pump to hanger S hose, a sock filter (strainer), a replacement electrical connector plug, rubber grommets, and a clamp to hold the fittings together.
Once you have the required materials, you can start by drilling the rivets and enlarging the holes for the grommets. You may need to use a little dish soap to help guide the wire through the grommets if it is a tight fit. It is also important to seal the grommet and wire to the hanger using a two-part epoxy to prevent gasoline from eating away at the rubber over time.
The next step is to weld the fitting onto the pump hanger. This process can vary depending on the specific type of hanger and fitting you are using, but it typically involves cutting the stock flare off and re-flaring for hard tube adapters. You may also need to use a shim to keep the fitting square during the installation process.
Finally, it is important to test the fitting to ensure it is secure and functioning properly. This may involve relaxing the fuel line in hot water and performing a test drive to ensure there are no leaks or other issues.
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Using heavy-duty zip ties
When it comes to securing a 6AN fuel line, heavy-duty zip ties can be a versatile, inexpensive, and functional solution. These zip ties are designed to prevent leaks within the fuel line by providing even and consistent compression around soft rubber hoses.
Heavy-duty zip ties, also known as fuel hose zip ties or clamp ties, feature a unique head design that sets them apart from regular zip ties. This design allows for a complete 360-degree seal around the hose, ensuring that there are no gaps or spots where the tie doesn't make full contact. This is especially important when dealing with fuel lines, as any leaks can be dangerous.
When selecting heavy-duty zip ties for your 6AN fuel line, it's important to consider the tensile strength and size of the ties. The tensile strength indicates the amount of force the zip tie can withstand before breaking. For fuel line applications, it's recommended to choose zip ties with a higher tensile strength, such as 50 or 60 lbs., to ensure they can securely hold the hose in place. Additionally, the size of the zip tie should correspond to the diameter of your fuel line to ensure a proper fit.
To install the heavy-duty zip ties, you may need a tie tensioning tool or gun to achieve the necessary tightness. This ensures that the zip tie is securely clamped around the fuel line without any gaps. It's also important to note that fuel hose zip ties are typically designed for low-pressure applications and should not be used for connecting fuel hoses to fittings under high pressure. Always refer to the manufacturer's instructions and safety guidelines when working with fuel lines and zip ties.
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Mounting an in-line pump
When mounting an in-line pump for a 6AN fuel line, there are a few considerations to keep in mind. Firstly, it is important to determine the most suitable location for the pump. Some common locations for mounting in-line pumps include under the car or on the firewall just before the fuel filter. This decision may depend on factors such as the available space, ease of access, and the overall aesthetics of the fuel line setup.
One popular option is to mount the in-line pump on the inside of the frame, right before the stock fuel line goes up towards the firewall. This location can provide a clean install and a discreet appearance, as the fuel line can be secured to the OEM fuel and brake hardlines using heavy-duty zip ties. This method ensures that the fuel line is not visible from underneath the car. However, some individuals may prefer to run the fuel line on the outside of the frame, although this may require finding a way to bring the line back over the frame.
Another consideration when mounting the in-line pump is the type of fuel being used. For example, when using E85 fuel, it is important to use a metal element filter as the E85 can eat away at paper filters. Additionally, the use of E85 fuel may impact the flow rate of the injectors, which can influence the sizing and tuning of the fuel line components, including the in-line pump.
When installing the in-line pump, it is essential to ensure that the fittings are secure and compatible with the fuel line. Some individuals choose to weld a -6AN fitting onto their fuel pump hanger, as the OEM thread pitch is the same as the -6AN fitting. This allows for a seamless connection between the fuel pump and the 6AN fuel line. It is also important to consider the ease of accessing the fuel filter for future maintenance or replacements, as some locations may be more difficult to reach than others.
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Reusable gaskets and hose barb adapter
When making a 6AN fuel line, it is important to consider the different components and fittings required for a secure and efficient fuel system. One key aspect is the use of reusable gaskets and hose barb adapters, which play a crucial role in connecting the fuel line components.
Reusable gaskets are essential for creating a tight seal between the fuel line and the fuel port, preventing fuel leaks and ensuring a secure connection. These gaskets are designed to be used multiple times, offering a cost-effective and convenient solution. They are typically made of durable materials, such as corrosion-proof anodized aluminium, to withstand the harsh conditions of the fuel system.
Hose barb adapters, on the other hand, are used to connect the fuel line to other components, such as the fuel filter, fuel pump, or fuel rail. These adapters have barbs or ridges along their surface that grip the inside of the hose, providing a secure and leak-proof connection. They come in various types, including straight and elbow connectors, allowing for different hose configurations.
When choosing a hose barb adapter, it is important to select one made from high-quality materials, such as aluminium or stainless steel, to ensure durability and resistance to corrosion. The adapter should also be sized correctly to fit your specific fuel line and hose diameter. For example, a 6AN male flare to 1/4" hose barb adapter is commonly used to connect a 6AN fuel line to a hose with a 1/4" inner diameter.
By using reusable gaskets and hose barb adapters, you can achieve a secure and leak-proof fuel system, ensuring the safe and efficient transfer of fuel in your vehicle.
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Frequently asked questions
A 6AN fuel line kit typically includes a braided nylon fuel hose, fittings, and sometimes a fuel pressure regulator. You can purchase it online from retailers like Amazon or iBuildRacecars.com.
Installation may vary depending on your vehicle and the specific kit you've purchased. However, some users have mentioned using heavy-duty zip ties to secure the line to the OEM fuel and brake hard lines under the car.
Users have reported steady fuel pressure, ease of installation, and durability as some of the benefits of using a 6AN fuel line. It is also a more cost-effective option compared to some OEM fuel lines.
The 6AN fuel line is versatile and compatible with a range of vehicles. It can be used for LS swaps, EFI, fuel pumps, and as an emission control line or fuel return line. It is also suitable for ATM and OMG carburetors and those with dual metering blocks and 7/8"-20 threaded ATM fuel bowls.
One user reported an issue with a squirrel chewing through the nylon braided section of the hose. In such cases, a stainless steel braided hose may be a more durable option.
