# Are all fuel pumps the same?

## Are all fuel pumps the same?

Every pump has a different flow volume at a given pressure. Because of this it is important to look at a flow chart of whatever pump you decide to buy. As free flow, or even flow at a given pressure is only part of the equation.

### How do I know which fuel pump I need?

How do I know what flow rate I need?

1. 500 X 0.5 = 250 lbs./hr. A gallon of fuel weighs 6 lbs. To get gph divide lbs./hr. by 6.
2. 250 lbs./hr. ÷ 6 = 41.67 gph. A liter of fuel weighs about 1.6 lbs.
3. 250 lbs./hr. ÷ 1.6 = 156.25 lph. You need the minimum flow rate at your fuel system’s operating pressure.

#### Are fuel pumps interchangeable?

In a word, no. A pump from a return-less car has a fuel pump driver module that controls pressure by rapidly turning power on/off. A return style system uses a regulator to bypass excessive fuel back to the tank. The pump runs all of the time.

Are in tank fuel pumps universal?

The GSL392 255LPH and the GSL396 350LPH high pressure pump, however these models are the universal inline fuel pumps, which means it usually mounts outside the fuel tanks.

How much HP can a mechanical fuel pump support?

Although a good mechanical fuel pump can feed your engine for up to 400 horsepower, have an electric fuel pump can be added insurance. Most carbureted systems up to this horsepower range do not use a return line. Once you get above 450 horsepower, you might want to think about a return-style fuel system.

## How expensive is it to replace a fuel pump?

How Much Does Fuel Pump Replacement Cost? The average cost for a fuel pump replacement is between \$220 and \$1,062 depending on vehicle and age. Labor costs are estimated between \$124 and \$260, while parts are priced between \$95 and \$854. Estimates do not include taxes and fees.

### What is a sign of a bad fuel pump?

Common signs include a whining noise, hard starting, engine performance issues, and an inability to start the car.

#### Can a fuel pump be too big?

As long as the regulator can dump enough fuel back to the tank to keep proper pressure under times of low fuel demand, you’ll be fine. No such thing as too much pump as long as you have a big enough regulator.

How do I know what size fuel pump I need?

To determine the fuel pump size for a naturally aspirated engine, take the projected horsepower and multiply it by 0.38 to determine liters per hour. If you want to convert that number to gallons, divide the answer by 3.785.

Are Walbro fuel pumps any good?

The walbro pumps are very reliable, its the only one I’d put in my car. I run a 190LPH walbro which would be my choice unless you are going to some sort of forced induction. There are two different 255lph pumps, a high volume and a regular one.

## What kind of fuel pump is universal in tank?

### Which is the best electric fuel pump on the market?

The cheapest and most affordable electric pump on our list of the best ones in the market is the W8sunjs Universal 12V Heavy Duty Electric Fuel Pump. It’s made out of a solid metal casing to make it extremely durable and reliable. It works best on petrol, has a current of 1.2 A and a voltage of 12 volts.

#### How big is a standard electric fuel pump?

With its cheap price yet amazing performance, it’s easily the #1 best-selling electric fuel pumps when it comes to the automotive replacement electric fuel pumps category. The interface of the tube only measures around 8mm but its over-all size is 59 by 31.5 by 23.62 inches.

Why are Carter universal fuel pumps made in USA?

With an in-tank fuel pump, impurities tend to enter the path over time and affect the fuel flow. The impurities eventually build up and can cause corrosion, which can damage the electrical integrity of components and mechanical aspects of the pump. Carter exclusively provides CleanScreen™ multilayer filtration technology*.