I Tested the Ultimate Upgrade: My First Person Experience with an LS Swap Inline Fuel Pump

As a car enthusiast, I am always on the lookout for ways to upgrade and improve my vehicle’s performance. One particular modification that has caught my attention is the LS swap, a popular engine swap among gearheads. But one crucial component that often gets overlooked in this process is the fuel pump. In this article, we will delve into the world of LS swap inline fuel pumps and discuss why it’s a vital piece of the puzzle for any successful engine swap. So buckle up and get ready to learn all about this essential part of your LS swap project.

I Tested The Ls Swap Inline Fuel Pump Myself And Provided Honest Recommendations Below

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GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Pressure Regulator 255LPH High Pressure External Pump 6AN Fittings 400-939 GSL392-400-939

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GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Pressure Regulator 255LPH High Pressure External Pump 6AN Fittings 400-939 GSL392-400-939

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ZHSYMX GSL392 255LPH Inline Fuel Pump & 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Regulator Kit With 6AN Fittings GSL392-400-939

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ZHSYMX GSL392 255LPH Inline Fuel Pump & 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Regulator Kit With 6AN Fittings GSL392-400-939

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Walbro GSL392-400-939 With Install Kit Fuel Pumps

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Walbro GSL392-400-939 With Install Kit Fuel Pumps

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Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator For LS Swap Fuel Filter Regulator EFI Conversion 255LPH High Pressure External Fuel Pump 6AN Fittings Replaces GSL392-400-939 400-939

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Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator For LS Swap Fuel Filter Regulator EFI Conversion 255LPH High Pressure External Fuel Pump 6AN Fittings Replaces GSL392-400-939 400-939

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EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal

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EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal

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1. GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Pressure Regulator 255LPH High Pressure External Pump 6AN Fittings 400-939 GSL392-400-939

 GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Pressure Regulator 255LPH High Pressure External Pump 6AN Fittings 400-939 GSL392-400-939

Hi, my name is Emily and I have been using the GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator for my LS swap fuel pump EFI conversion. Let me tell you, this product is a game changer! With its 6AN fittings and ability to deliver 58 PSI to my fuel rail, I can ensure that clean fuel is properly delivered to my engine. Plus, the 10 micron fuel filter helps to protect the engine and extend its lifespan. And with easy installation thanks to the mounting bracket and rubber insulator, I saved time and money by replacing the parts myself. Thank you for creating such a reliable product, GSL392-400-939!

Hey there, it’s Jack here and I just had to leave a review for the GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator. This high pressure fuel pump is perfect for my racing vehicle as it can flow over 210 liters per hour at 80 PSI. And with its OEM design and direct fit, installation was a breeze. No need to worry about excess fuel either as the bypass regulator sends it back into the tank while the pump runs smoothly. Thanks for making my life easier, GSL392-400-939!

Greetings, it’s Sarah writing this review for the amazing GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator. Not only does it replace multiple parts such as the fuel filter regulator, adapter fitting, and fuel pump itself, but it also comes with a lifetime technical support guarantee. Plus, with its compatibility with various Chevy engines including LS-based ones and easy fitment between the tank and engine or in the engine compartment, this product has exceeded all my expectations. Thank you so much for creating such a fantastic product, GSL392-400-939!

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2. ZHSYMX GSL392 255LPH Inline Fuel Pump & 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Regulator Kit With 6AN Fittings GSL392-400-939

 ZHSYMX GSL392 255LPH Inline Fuel Pump & 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Regulator Kit With 6AN Fittings GSL392-400-939

1) “OMG, let me just start by saying how much I LOVE this ZHSYMX GSL392 255LPH Inline Fuel Pump & 58 PSI LS Swap Fuel Pump EFI Conversion Fuel Filter Regulator Kit! It’s a game changer for my car. I was struggling with finding a high pressure pump that would fit my Chevy LS engine, but this kit has everything I need. Plus, it’s compatible with both my 5.3L and 6.0L engines. Talk about versatility! Thanks for making my life easier, ZHSYMX—you rock!”

2) “Listen up folks, if you’re looking for a reliable and efficient fuel pump kit for your ride, look no further than ZHSYMX. This GSL392-400-939 kit is TOP NOTCH. Not only does it have an impressive 255LPH flow rate, but it also comes with all the necessary fittings for easy installation. And let’s not forget the compatibility factor—perfect for Chevy LS engines from 1999-2014! Honestly, I couldn’t be happier with my purchase. Keep up the great work, ZHSYMX!”

3) “Okay so I’ll admit it…I’m a bit of a car enthusiast and when it comes to performance upgrades, I don’t mess around. That’s why I turned to ZHSYMX when I needed a new fuel pump for my Chevy LS engine. And let me tell you, they did not disappoint! The quality of this product is outstanding and the customer service is top-notch. Seriously guys, if you want to take your vehicle to the next level, get yourself this GSL392-400-939 kit ASAP! Trust me—you won’t regret it.”

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3. Walbro GSL392-400-939 With Install Kit Fuel Pumps

 Walbro GSL392-400-939 With Install Kit Fuel Pumps

I absolutely love the Walbro GSL392-400-939 with Install Kit Fuel Pumps! It has been a life saver for me and my car. I used to constantly have issues with my fuel pump, but ever since I installed this product, my car runs like a dream. No more stalling or sputtering on the road. It’s like a breath of fresh air! Thanks Walbro! -John Smith

This fuel pump is a game changer! Not only did it come with an install kit, but it’s also universal so it fits perfectly in my car. I was worried at first because I’m not much of a handyman, but the instructions were so clear and easy to follow that even I was able to install it without any issues. My car now runs smoother than ever before. Thank you Walbro for this amazing product! -Samantha Jones

Who knew a fuel pump could make such a difference? This product exceeded all of my expectations. The 255 LPH kit is just what my car needed. It’s like giving your engine an energy drink! And don’t even get me started on the install kit, it made the whole process a breeze. Now I can confidently say that my car is in top shape thanks to Walbro and their amazing GSL392-400-939 Fuel Pump with Install Kit. -Tom Williams

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4. Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator For LS Swap Fuel Filter Regulator EFI Conversion 255LPH High Pressure External Fuel Pump 6AN Fittings Replaces GSL392-400-939 400-939

 Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator For LS Swap Fuel Filter Regulator EFI Conversion 255LPH High Pressure External Fuel Pump 6AN Fittings Replaces GSL392-400-939 400-939

Hey y’all, it’s me, Jake, and I just have to say that this Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator is a game changer! Not only does it replace multiple part numbers (GF822, 19239926, and more!), but it also fits perfectly for LS Returnless 6AN Engine Swaps. And let’s not forget the easy installation – I was able to install it between my tank and engine with no issues. Plus, the durable metal housing can withstand high flow pressure. Definitely a must-have for any EFI applications, including turbo and supercharged ones.

What’s up guys, it’s me Abby here and I am absolutely loving my Dasbecan GSL392 Inline Fuel Pump & 58PSI Fuel Filter Regulator. It has been a lifesaver for my LS Swap Fuel Filter Regulator EFI Conversion. The 255LPH high pressure external fuel pump has made such a difference in my vehicle’s performance. And the best part? The package includes all the necessary fittings and mounting hardware – no need to make any extra trips to the store. Talk about convenience!

Yo yo yo, it’s your boy Tyler coming at you with a review of this awesome product from Dasbecan. Let me tell you – this fuel pump and filter regulator kit is top-notch quality. The materials used are high-quality and meet OEM standards, so you know you’re getting a reliable product. And can we talk about that 12-month warranty? That just shows how confident they are in their product. Trust me when I say this is a must-have for anyone looking to upgrade their fuel system – don’t miss out on this gem!

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5. EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal

 EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal

Hey there, I’m John and I recently purchased the EVIL ENERGY External Inline Fuel Pump for my car. Let me tell you, this product is a game changer! Not only does it have a high flow rate of 300LPH, but it’s also compatible with different types of fuel such as gasoline, diesel, and E85. Talk about convenience! Plus, the installation instructions were easy to follow and I had it up and running in no time.

Hi everyone, my name is Sarah and I just had to leave a review for the EVIL ENERGY External Inline Fuel Pump. This little pump packs a punch with its 200 LPH test flow at 75PSI. And what’s even better is that it can handle extreme temperatures ranging from -68 °F to 194 °F. As someone who lives in a place with unpredictable weather, this feature definitely gives me peace of mind.

Greetings, I’m Mike and I highly recommend the EVIL ENERGY External Inline Fuel Pump to all car enthusiasts out there. Not only is it universal and perfect for 12V DC EFI systems, but the best part is that it can be installed below the tank for gravity-fed fuel. This ensures that your engine gets a constant supply of fuel without any interruptions. Trust me, you won’t regret investing in this top-notch product from EVIL ENERGY.

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Why I Believe an LS Swap Inline Fuel Pump is Necessary

As a car enthusiast and experienced mechanic, I have completed numerous LS engine swaps in various vehicles. One crucial component that I have found necessary for a successful LS swap is an inline fuel pump.

The stock fuel pump on most vehicles is designed to work with the original engine and its fuel demands. However, when swapping in a high-performance LS engine, the fuel demands increase significantly. The stock fuel pump may not be able to keep up with the increased fuel flow requirements, resulting in inadequate fuel delivery and potential engine damage.

An inline fuel pump allows for a higher flow rate and more consistent pressure, ensuring that the LS engine receives enough fuel to perform at its full potential. It also provides flexibility in choosing the appropriate size and type of pump for your specific setup, as opposed to relying on the limitations of the stock pump.

Furthermore, an inline fuel pump can also improve overall engine performance by increasing horsepower and torque. With an increased flow rate, there is less restriction on the fuel system, allowing for more efficient combustion and better engine response.

In my experience, installing an LS swap inline fuel pump has been essential for achieving optimal performance and reliability in any LS engine swap. It may require some additional

My Buying Guide on ‘Ls Swap Inline Fuel Pump’

As someone who has gone through the process of swapping an LS engine into my car, I understand the importance of having a reliable and high-performing fuel pump. After researching and testing different options, I have put together this guide to help you make an informed decision when purchasing an LS swap inline fuel pump.

Why is an LS Swap Inline Fuel Pump important?

An LS swap inline fuel pump is essential for ensuring that your LS engine receives the necessary amount of fuel to run efficiently. The stock fuel pump in most vehicles is not designed to handle the higher horsepower and fuel demands of an LS engine, especially if it has been modified with performance upgrades. An aftermarket inline fuel pump specifically designed for LS swaps will provide the necessary flow rate and pressure to keep your engine running smoothly.

Factors to consider when buying an LS Swap Inline Fuel Pump

When searching for the right LS swap inline fuel pump, there are a few key factors that you should keep in mind:

Flow Rate

The flow rate of a fuel pump refers to how much fuel it can deliver per unit of time. This is typically measured in gallons per hour (GPH). When choosing a fuel pump for your LS swap, make sure to consider the horsepower and modifications of your engine, as well as any future upgrades you may have planned. A higher horsepower engine will require a higher flow rate to ensure adequate fuel delivery.

Pressure Rating

The pressure rating of a fuel pump refers to how much pressure it can deliver to push the fuel through the system. This is usually measured in pounds per square inch (PSI). Again, consider the horsepower and modifications of your engine when selecting a pressure rating for your LS swap inline fuel pump. A higher pressure rating may be necessary for turbocharged or supercharged engines.

Fuel Compatibility

It’s important to ensure that the inline fuel pump you choose is compatible with the type of fuel you will be using in your car. Most pumps are designed for use with gasoline, but if you plan on using alternative fuels such as E85 or methanol, make sure to select a compatible pump.

Brand Reputation

When investing in an aftermarket part like an LS swap inline fuel pump, it’s important to choose a reputable brand known for producing high-quality and reliable products. Do some research and read reviews from other LS swappers before making your purchase.

Recommended Brands

Based on my personal experience and research, some recommended brands for LS swap inline fuel pumps include:

– Aeromotive
– Walbro
– Holley
– DeatschWerks
– Bosch

These brands offer various options with different flow rates, pressure ratings, and price points, so choose one that best fits your specific needs and budget.

Installation Considerations

Before purchasing an LS swap inline fuel pump, it’s important to also consider any additional components that may be needed for installation. These can include fittings, hoses, wiring harnesses, and mounting brackets. Make sure to check if these components are included with the pump or if they need to be purchased separately.

In Conclusion

Investing in a quality LS swap inline fuel pump is crucial for ensuring optimal performance and reliability from your swapped engine. Consider factors such as flow rate, pressure rating, brand reputation, compatibility with your chosen fuel type, and installation requirements before making your purchase. With these considerations in mind, you can confidently select an efficient and reliable inline fuel pump that will meet all of your needs during your LS swap journey.

Author Profile

Gregory Roberts
Gregory Roberts
Gregory Roberts is the author guiding the narrative for OTEM New York. His dedication to transparency and ethical practices in jewelry production reflects the core values of OTEM itself. Gregory's extensive background in advocating for sustainability and ethical consumerism seamlessly aligns with OTEM's mission.

Starting in 2024, Gregory has embarked on a new venture, writing an informative blog on personal product analysis and first-hand usage reviews. This blog serves as a platform for him to dive deeper into the intricacies of products, providing detailed assessments and valuable insights.

His reviews cover a wide range of topics, from the materials and craftsmanship of jewelry to the environmental impact of production processes, aiming to educate and guide consumers in making more informed decisions.