HPI Performance Tech Center — LS fuel injectors

Where Should a Fuel Pressure Regulator Be Installed on an LS Swap? Before or After the Fuel Rails?

Posted by donald blatz on

Where Should a Fuel Pressure Regulator Be Installed on an LS Swap? Before or After the Fuel Rails?

Where should an LS fuel pressure regulator be installed? Learn regulator placement for return-style LS, turbo, supercharged, and E85 fuel systems and how incorrect plumbing affects fuel pressure.

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Why Does My LS Lose Fuel Pressure Under Boost? 10 Causes to Check

Posted by donald blatz on

Why Does My LS Lose Fuel Pressure Under Boost? 10 Causes to Check

LS fuel pressure dropping under boost? Learn the 10 most common causes, including weak pumps, voltage drop, regulators, filters, fuel lines, injectors, and tank problems.

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How Long Do Fuel Injectors Last? Signs Yours Need Replacement

Posted by donald blatz on

How Long Do Fuel Injectors Last? Signs Yours Need Replacement

Learn how long fuel injectors last, the warning signs of failing injectors, when to clean vs replace them, and how flow-matched injectors improve engine performance.

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Performance Fuel Injectors Explained: How to Choose the Right Injector Size for Your Horsepower Goals

Posted by donald blatz on

Performance Fuel Injectors Explained: How to Choose the Right Injector Size for Your Horsepower Goals

Learn how to choose the right fuel injector size based on horsepower, boost, and fuel type. Complete injector sizing guide for LS, Coyote, HEMI, and performance builds.

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High Performance Fuel Injectors: What They Are, How They Work, and Why They Matter

Posted by donald blatz on

High Performance Fuel Injectors: What They Are, How They Work, and Why They Matter

High performance fuel injectors deliver precise, consistent fueling for boosted, E85, and high-horsepower builds. Learn how performance injectors work, why they matter, and how to choose the right size for street and race applications.

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