HPI Performance Tech Center
High-Impedance vs Low-Impedance Fuel Injectors: Which Do You Need for an LS, Turbo or E85 Build?
Posted by donald blatz on
Compare high-impedance vs low-impedance fuel injectors. Learn how injector resistance affects ECU compatibility, tuning, LS swaps, turbo builds, E85 systems, and injector selection.
- Tags: Bosch EV14 injectors, fuel injector impedance, high impedance vs low impedance injectors, injector driver, injector resistance, low impedance injectors, LS fuel injectors, LS injector compatibility, peak and hold injectors, saturated injectors
LS Fuel Injector Connectors Explained: EV1 vs EV6/USCAR and How to Choose the Right Injector
Posted by donald blatz on
Learn the difference between EV1 and EV6/USCAR LS fuel injector connectors, how to identify yours, when adapters are needed, and how to choose injectors that fit your LS swap.
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, Bosch EV14 injectors, E85, EV1 injector connector, EV1 vs EV6 injectors, EV6 injector connector, fuel compatibility, hard starting, impedance, inconsistent fueling, injector, injector height, LS fuel injector connectors, LS fuel injectors, LS injector adapter, LS injector compatibility, LS injector fitment, LS injector plug
Why Does My LS Have Fuel Pressure but No Injector Pulse? Complete Troubleshooting Guide
Posted by donald blatz on
LS has fuel pressure but no injector pulse? Check injector power, crank and cam signals, ECU power, grounds, VATS, wiring harness compatibility, fuses, and tuning.
- Tags: LS cam sensor, LS crank sensor no start, LS ECU power, LS fuel injectors, LS fuel pressure but no injector pulse, LS injector fuse, LS injector troubleshooting, LS injector wiring, LS injectors not firing, LS no injector pulse, LS swap injector pulse, LS swap won't start, LS VATS no start
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 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.
- Tags: boost referenced regulator, E85 fuel pressure regulator, fuel pressure regulator before or after rail, LS fuel injectors, LS fuel pressure, LS fuel pressure regulator, LS fuel pressure regulator location, LS fuel rail plumbing, LS fuel system plumbing, LS return style fuel system, LS swap fuel system, return style fuel pressure regulator, turbo LS fuel regulator, turbo LS fuel system
Why Does My LS Lose Fuel Pressure Under Boost? 10 Causes to Check
Posted by donald blatz on
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.
- Tags: boost referenced fuel pressure, E85 fuel pressure, fuel pressure drops at WOT, LS fuel injectors, LS fuel pressure drops under boost, LS fuel pressure problems, LS fuel pressure regulator, LS fuel pump problems, LS fuel pump wiring, LS injector duty cycle, LS lean under boost, turbo LS fuel pressure, turbo LS fuel system