Question

Can you use fuel injection hose for fuel line?

Answer 1

Fuel injection hose can be used for regular fuel line.

As long as the fuel injection hose is the proper size it can be used for either pressure fuel line or return fuel line.

You can use PEX clamps on fuel line and even in submerged fuel as well.

PEX clamps are fuel resistant and are great for fuel line both in take and out of tank.

Fuel lines such as rubber fuel lines do need clamps to prevent them from coming off under the pressure of the fuel.

Always use clamps on all fuel lines and especially the pressure fuel lines.

Plumbers tape can be used on fuel line although there's a potential for it to break free and get into the fuel system.

A fuel line can be too big and a fuel line that is too big can take longer to pressurize and could have a drop in fuel pressure as well.

It can take a larger pump to pump the fuel in a larger fuel line.

Fuel lines should be sized correctly to get the correct fuel pressure and prevent fuel leaks as well.

Fuel line length does matter as the longer the fuel line the more pressure it will need to get the fuel to the engine.

However most times there's no worry about the length of fuel line from the fuel pump to the engine as the fuel pump should provide enough pressure to send the fuel to the engine.

You can use rubber hose for fuel return line as long as it's rated for fuel.

It is OK to use rubber fuel lines for fuel as long as the rubber hose is rated for fuel such as gasoline and diesel.

The size that most fuel lines are would be 3/8 inch size.

The most popular fuel line sizes are.

-6AN (=3/8" OD)
-8AN (=1/2" OD)
-10AN (=5/8" OD)
-12AN (=3/4" OD)

You can use braided hose for fuel line as long as it's automotive type braided hose and rated for fuel.

You cannot use braided hose that is rated for water or non fuel as it can degrade and leak.

But use of braided hose such as stainless steel braided automotive fuel line is good and can be used for fuel including gasoline.

Polyurethane tubing can be used as fuel line as polyurethane is resistant to gasoline, diesel and most other fuels and chemicals which make it an ideal tubing type for fuel lines.

Vinyl hose will not work on fuel lines as vinyl cannot withstand the contact with fuel and will degrade and leak.

Also gasoline and other fuel tends to make a clear vinyl hose go hard, and when that happens the pipe may become brittle and the seals at each end may be compromised.

Silicone tubing and hoses are not resistant to gasoline as silicone hoses are porous and not suitable for fuel or oil.

Stainless steel can be used for fuel line as it's resistant to fuel and good for high pressure as well.

The best material for fuel line is braided stainless steel fuel line that has much higher heat resistance and withstands high pressure liquid better than other fuel hose.

Rubber fuel hose is also good for fuel line.

Fuel lines don't usually need Teflon tape if you're using compression fittings.

However some fuel lines may need Teflon tape depending on the type of fuel line connector you're using.

You can Zip tie fuel lines to hang them or to also submerge the fuel hose in gasoline or diesel.

Plastic zip ties are fuel resistant and safe to be submerged in fuel.

Nylon fuel zip ties are also fuel resistant and also resistant to most chemicals.

The hose clamps for fuel line should be tight enough so that it's squeezes the fuel line somewhat and tight enough so the hose cannot be pulled off.

Tighten the hose clamp a little at a time and check the hose.

Just make sure the fuel hose clamp is not tight enough to cut into the hose.

You can use polyurethane tubing as fuel line as it has exceptional resistance to most gasoline, oils, kerosene, and other petroleum-based chemicals, making PU tubing and hose an ideal choice for fuel lines (although additives in today's gasoline and petroleum products warrant field testing).

The kind of hose you can use for fuel line is rubber fuel line hose that is rated for fuel.

SAE 30R7 hoses are designed for fuel.

Rubber hose that is rated for fuel can be used for return fuel line as well as pressure fuel line.

When using rubber hose for fuel line pressure make sure the rubber hose is rated for the fuel under pressure.

However any fuel hose that is rubber will be okay for fuel return line.

However just note that regular non fuel rated rubber vacuum or heater hose should never be used in fuel applications.

The hose will deteriorate from the inside out and can plug fuel filters and carburetors with rubber debris, long before it springs an external leak.

SAE 30R7 hoses are designed for fuel.

These can go under the hood and are typically used for low-pressure applications like carburetors or a fuel return line.

It can also be used for PCV connections and emissions devices.

SAE 30R9 hoses are designed for high-pressure applications like fuel injection systems.

Answer 2

Fuel injection hose is specifically designed to handle the high pressures and temperatures associated with fuel injection systems in vehicles. These hoses are typically constructed with materials that are compatible with various fuels, including gasoline, diesel, and ethanol blends.

While fuel injection hose can be used for fuel lines, it's essential to ensure that the hose meets the specific requirements of your application. Factors to consider include the type of fuel being used, the pressure and temperature conditions the hose will be subjected to, and any regulatory or safety standards that must be met.

It's also crucial to use the appropriate fittings and clamps designed for fuel injection hose to ensure a secure and leak-free connection. Improperly matched components or installation techniques can lead to leaks, which can pose safety hazards and potentially damage the vehicle or equipment.

Overall, fuel injection hose can be a suitable choice for fuel lines, but it's essential to select the right hose for your specific application and to follow proper installation practices to ensure reliable performance and safety. If you're unsure about which hose to use or how to install it correctly, consulting with a knowledgeable professional or referring to the manufacturer's recommendations is advisable.

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