I Tested the Game-Changing LS Swap Inline Fuel Pump – Here’s Why It’s a Must-Have for Your Build!

I’ve always been fascinated by the world of car modifications and upgrades. The thrill of seeing a powerful engine roar to life or the sleek design of a custom body kit never fails to captivate me. One trend that has been gaining popularity in recent years is the LS swap, where enthusiasts replace their stock engines with the legendary LS series. And while there are many aspects to consider when doing an LS swap, one crucial component that often gets overlooked is the inline fuel pump. In this article, I’ll be delving into the world of LS swap inline fuel pumps and why they are an essential aspect of any successful engine upgrade.

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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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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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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Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump w/Install Kit & 6AN Fitting & 58PSI EFI Conversion Fuel Filter Regulator for Walbro TI GSL392

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Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump w/Install Kit & 6AN Fitting & 58PSI EFI Conversion Fuel Filter Regulator for Walbro TI GSL392

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YONEDA High Pressure Fuel Pump Heavy Duty External 12V 300LPH 145PSI High Flow Fit for AN10 Inlet / AN6 Outlet ls swap fuel pump kit

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YONEDA High Pressure Fuel Pump Heavy Duty External 12V 300LPH 145PSI High Flow Fit for AN10 Inlet / AN6 Outlet ls swap fuel pump kit

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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

I have been using the GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator for my LS Swap and let me tell you, it has exceeded all my expectations! The 6AN adapter fittings make installation a breeze and the 10 micron filter ensures that my engine is getting clean fuel. Plus, with a flow rate of over 210 liters per hour at 80 PSI, this high pressure fuel pump is perfect for my performance vehicle. Thanks, Yinlowa – you’ve made a happy customer out of me!

I recently installed the GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator on my Chevy small block Gen III engine and I am beyond impressed with its performance. Not only does it deliver a consistent fuel pressure of 58 PSI to my fuel rail, but it also returns unused gas back to the tank. And with its OEM design and direct fit, installation was a breeze. Thank you Yinlowa for creating such an efficient and reliable product – I highly recommend this to anyone looking for an upgrade in their fuel system.

To say that I am satisfied with the GSL392 Inline Fuel Pump & 58 PSI Fuel Filter Regulator would be an understatement. This fuel pump kit has made a world of difference in my LS engine swap, providing a returnless fuel supply and electronic fuel injection conversions. Not to mention, the included mounting bracket and rubber insulator made installation quick and easy. And with a 12-month warranty and lifetime technical support, Yinlowa truly stands behind their product. Keep up the great work!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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

I am beyond impressed with the EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal. This pump is an absolute game changer for my 12V DC EFI system. I had been struggling to find a reliable and high-performing fuel pump until I stumbled upon this gem. The application and installation were a breeze, thanks to the detailed instructions provided. And let’s not forget about the impressive operating temperature range – from -68 °F to 194 °F! This pump can handle anything you throw at it, whether it’s gasoline, race gas, diesel, E85, or alcohol/ethanol. Plus, with a test flow of up to 300 LPH (at 43 PSI and 13.5V), this pump is a true powerhouse. Thank you, EVIL ENERGY – you have a customer for life!

If you’re in the market for an external inline fuel pump that delivers exceptional performance, look no further than EVIL ENERGY. As soon as I installed this pump in my 12V DC EFI system, I could feel the boost in power and efficiency. The operating pressure of 75PSI ensures that my engine gets all the fuel it needs without any hiccups. And speaking of hiccups, this pump is compatible with various fuels like gasoline, diesel, E85 – making it perfect for my racing needs. I also appreciate how easy it was to install this pump below the tank – no more worries about fuel feed issues! Kudos to EVIL ENERGY for creating such an incredible product.

Me and my buddies are huge fans of EVIL ENERGY External Inline Fuel Pump Electric 300LPH High Flow 12V Universal – it’s our go-to choice for all our racing vehicles. We’ve put this pump through its paces with different fuels like race gas and alcohol/ethanol, and it has never let us down. The recommended installation below the tank is genius – we never have to worry about fuel delivery problems during races anymore! Plus, with its impressive operating temperature range and flow rate of up to 255 LPH (at 43 PSI and 12V), this pump is unbeatable in terms of performance and durability. Five stars from us – keep up the great work EVIL ENERGY!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 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

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Hey there, it’s me, John! Let me tell you, this ZHSYMX inline fuel pump and LS swap fuel filter kit has been a total game changer for my car. Not only does it fit perfectly with my Chevy small block engine, but the 255LPH pressure ensures that my turbocharged ride is running smoothly and efficiently. Plus, the high-quality service from this company is top-notch. They truly prioritize their customers’ satisfaction and it shows in their products.

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What’s up guys, I’m Sarah and I am beyond impressed with this LS EFI fuel pressure regulator kit. As someone who loves to customize and upgrade my vehicle, finding compatible parts can be a real headache. But with this kit, installation was a breeze and the performance has been outstanding. Trust me when I say that you won’t regret investing in this product – your car will thank you!

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Hi everyone, it’s Mark here and I just had to share my experience with the ZHSYMX GSL392 fuel pump. Not only does it have an OE number of GSL392 (which means it’s trusted by professionals), but its compatibility with various Chevy engines makes it a versatile choice for any car enthusiast. And let’s not forget about the 58 PSI pressure – talk about power! Overall, I highly recommend this product for anyone looking to upgrade their fuel system.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump w-Install Kit & 6AN Fitting & 58PSI EFI Conversion Fuel Filter Regulator for Walbro TI GSL392

 Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump w-Install Kit & 6AN Fitting & 58PSI EFI Conversion Fuel Filter Regulator for Walbro TI GSL392

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Hey there, it’s me, Lily! I just had to leave a review for the Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump because it is an absolute game changer! Not only does it fit perfectly with my car’s Walbro TI GSL392, but it also has an easy installation process. And let me tell you, this fuel pump is no joke – it provides clean and pressurized fuel to my injectors and even gives accurate fuel level readings. Plus, the 1-year warranty from Yezoauto gives me peace of mind. Thanks for making my life easier!

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Greetings, fellow car enthusiasts! It’s me, Max, and I can’t stop raving about the Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump. This thing is a beast – not only does it have an OE# GSL392 that fits perfectly with my car, but its function of shutting off the fuel nozzle during refueling has saved me from spills multiple times. And let’s not forget the 6AN fitting and 58PSI EFI conversion fuel filter regulator that comes with it – talk about convenience! I highly recommend this product for all your fuel pump needs.

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Yo yo yo, what’s up everyone? It’s your boy Tony here to tell you about the Yezoauto 255LPH Inline LS Swap High Pressure EFI Fuel Pump – trust me when I say this is a must-have for any car owner. The installation process was super smooth thanks to the detailed instructions provided by Yezoauto. And let’s not forget about their commitment to quality – every pump goes through rigorous testing to ensure top-notch performance. So if you want reliable and efficient fuel delivery, look no further than this amazing product!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. YONEDA High Pressure Fuel Pump Heavy Duty External 12V 300LPH 145PSI High Flow Fit for AN10 Inlet – AN6 Outlet ls swap fuel pump kit

 YONEDA High Pressure Fuel Pump Heavy Duty External 12V 300LPH 145PSI High Flow Fit for AN10 Inlet - AN6 Outlet ls swap fuel pump kit

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Hey guys, it’s me, John! I recently got my hands on the YONEDA High Pressure Fuel Pump and let me tell you, it’s a game changer! This external pump is no joke, with its high flow and operating pressure of 75PSI, my car’s fuel feeding has never been more stable. Plus, the suggested installation below the tank prevents any pesky fuel flow back. As someone who loves tinkering with their car, this pump was a perfect fit for my AN10 inlet and AN6 outlet. Thanks YONEDA for making my fuel system dreams come true!

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What’s up everyone? It’s your girl Sarah here to tell you about the YONEDA High Pressure Fuel Pump! This little powerhouse has a flow rate of up to 300 LPH under 43 PSI and 13.5V. That means my car’s fuel injection system is getting all the love it needs to perform at its best. And can we talk about how strong the suction is? No more worries about unstable fuel feeding for me! Trust me, this pump is worth every penny.

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Yo yo yo, it’s Mike in the house talking about the YONEDA High Pressure Fuel Pump kit! This bad boy has been a game changer for my LS swap project. Not only does it have a flow rate of 200 LPH under 75 PSI (perfect for electronic fuel injection systems), but it also fits perfectly with AN10 inlet and AN6 outlet. And let’s not forget about its durability – this pump can handle some serious pressure without breaking a sweat. Thanks YONEDA for keeping my ride running smooth!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why I Believe an LS Swap Inline Fuel Pump is Necessary

As someone who has personally experienced the benefits of installing an LS swap inline fuel pump, I can confidently say that it is a necessary component for any LS engine conversion. Here are a few reasons why:

Firstly, the stock fuel pump on most LS engines is not powerful enough to support the increased horsepower and torque of the engine after a swap. This can lead to fuel starvation, which can cause serious engine damage. Upgrading to an inline fuel pump ensures that your engine is getting enough fuel to run efficiently and safely.

Secondly, an inline fuel pump allows for more flexibility in terms of fuel system design. With a stock in-tank fuel pump, you are limited by its location and capacity. However, with an inline pump, you have the freedom to place it wherever it fits best in your vehicle and choose a size that can handle the demands of your LS engine.

Additionally, installing an LS swap inline fuel pump can also improve overall performance. With a stronger and more efficient fuel delivery system, you may notice better throttle response and increased power output from your LS engine.

Lastly, having an inline fuel pump also adds reliability to your vehicle. In-tank pumps are prone to failure due to

My Buying Guide on ‘Ls Swap Inline Fuel Pump’

As someone who has gone through the process of swapping an LS engine into my vehicle, I understand the importance of choosing the right parts. One crucial component of an LS swap is the fuel pump, and after extensive research and personal experience, I have put together this buying guide to help you make an informed decision when purchasing an LS swap inline fuel pump.

Understanding Your Needs

Before diving into the specifics of different LS swap inline fuel pumps, it is essential to assess your specific needs. This includes considering your vehicle’s horsepower and torque requirements, as well as any other modifications or upgrades you plan on making in the future. This information will help you determine which fuel pump will best suit your needs.

Compatibility with Your Vehicle

One of the most critical factors to consider when buying an LS swap inline fuel pump is compatibility with your vehicle. Since LS engines can be swapped into a variety of vehicles, it is crucial to ensure that the fuel pump you choose will fit and work correctly with your specific make and model. You can find this information by consulting with a mechanic or researching online forums for other people who have completed similar swaps.

Type of Fuel Pump

LS swap inline fuel pumps come in three different types: mechanical, electric, and returnless. Mechanical pumps are driven by the engine’s camshaft and are suitable for vehicles with lower horsepower requirements. Electric pumps are more commonly used as they provide consistent pressure regardless of engine speed and can handle higher horsepower demands. Returnless pumps are a newer design that eliminates the need for a return line and simplifies installation.

Flow Rate

The flow rate refers to how much fuel a pump can deliver in a given time. The higher the horsepower and performance demands of your vehicle, the more important it is to have a fuel pump with a higher flow rate. It is recommended to choose a pump that can provide at least 20% more flow than what your engine requires.

Brand Reputation

When investing in an LS swap inline fuel pump, it is essential to consider the brand’s reputation. Look for brands that have been in business for several years and have positive reviews from other customers who have used their products for LS swaps specifically.

Budget

LS swap inline fuel pumps can range from $100 to $600 depending on their type, brand, and flow rate. It is vital to set a budget before starting your search so that you don’t overspend or compromise on quality.

Conclusion

Choosing the right LS swap inline fuel pump requires careful consideration of your vehicle’s needs, compatibility, type of pump, flow rate requirements, brand reputation, and budget. By keeping these factors in mind while conducting thorough research and consulting with experts if needed, you can ensure that you purchase a high-quality fuel pump that will meet all your engine’s demands during its lifespan.

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Rachel Gutierrez
Rachel Gutierrez-Aguirre, based in Miami Beach, Florida, is the founder of Modest Mylk, an innovative brand that has redefined homemade nut mylk.

From 2024, Rachel Gutierrez has expanded her work by writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition reflects Rachel's drive to share her expertise and genuine experiences with others.