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Why do we use smaller fuel return lines?

Why do we use smaller fuel return lines?

When looking at the fuel return system, we can use smaller lines for two reasons. One, the maximum allowed value for the pressure drop is usually 2-4 times more and the return flow is always less (at least to some extent) than the total fuel flow.

Where does the fuel line restriction come from?

Some may come from an inline return fuel cooler (not much if they are sized right) and friction inside the fuel line with fuel flowing thru it, which brings us to what this discussion is about – Fuel Line Restriction, and how it interacts or affects overall fuel restriction on both the supply and the return fuel system on a diesel engine.

How big does a fuel supply line need to be?

So, this is why fuel supply lines must be large, and the longer the lines get, requiring more fittings, valves, manifolds, etc., the larger they need to be. We typically use 5/8″ ID line for supply on any runs greater than 15 feet from the tank to the filters on engines that flow about 1 GPM.

Can a fuel line be suction or supply?

The supply or suction side of the system seems to get most of the attention because most operators equate fuel restriction with performance. Yes, you can equate the two but not as most think. We’ll get to that later as that is a slightly different subject. Very old fuel manifold system done a mix of iron and brass fittings.

How are squirrels supposed to stay out of your car?

The majority of squirrels are diurnal, meaning they sleep at night. Flying squirrels are nocturnal, but these aren’t the type of squirrels that would be getting into your car. Squirrel teeth continually grow at a rate of 6 inches per year. Squirrels need to be continually chewing on things to keep them at a manageable length.

How many miles does a squirrel run in a day?

We did have squirrels return from as many as 10-12 miles, but less than a half-dozen times. Even stranger, we had one amazing return from almost 25 miles, although HE was taken on a straight-line run out a county road adjacent to our office.

Can a squirrel chew on a car wire?

No matter where you live, if there are squirrels in the area, there’s a chance one of them could find its way under your hood and start snacking on your car’s wires. These furry little vandals may cause car damage that can lead to unexpected repair costs.

Why are squirrels attracted to cars in winter?

These furry little vandals may cause car damage that can lead to unexpected repair costs. Why are squirrels attracted to cars? DoItYourself.com suggests that a car engine’s warmth provides a cozy nesting spot for rodents, especially in the winter.

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Ruth Doyle