HPI Performance Tech Center

LS Injector Upgrade Guide: Which Injectors Fit LS1, LS2, LS3, LQ4 & LQ9?

Posted by donald blatz on

LS Injector Upgrade Guide: Which Injectors Fit LS1, LS2, LS3, LQ4 & LQ9?

Learn which fuel injectors fit LS1, LS2, LS3, LQ4, and LQ9 engines. Compare injector sizes, horsepower recommendations, EV1 vs EV14 styles, and upgrade options.

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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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EV1 vs EV6 vs EV14 Fuel Injectors: What’s the Difference?

Posted by donald blatz on

EV1 vs EV6 vs EV14 Fuel Injectors: What’s the Difference?

Compare EV1, EV6, and EV14 fuel injectors. Learn connector differences, spray pattern benefits, LS fitment, E85 compatibility, and which injector style is best for your build.

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Fuel Injector Size Calculator: What Size Injectors Do I Need?

Posted by donald blatz on

Fuel Injector Size Calculator: What Size Injectors Do I Need?

Learn what size fuel injectors you need based on horsepower, fuel type, boost, and duty cycle. Includes injector sizing chart for gas and E85 builds.

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LT4 vs LS3 vs LT1: Which GM Engine Is Best for Your Swap?

Posted by donald blatz on

LT4 vs LS3 vs LT1: Which GM Engine Is Best for Your Swap?

Compare LT4, LS3, and LT1 GM engines for your swap. Learn which engine is best for power, budget, wiring complexity, restomods, and performance builds.

 

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