HPI Performance Tech Center — LS fuel pressure regulator
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
What Fuel Pressure Should an LS Run? Complete Guide for Stock, Turbo & E85 Builds
Posted by donald blatz on
Learn the correct LS fuel pressure for stock, turbo, supercharged, and E85 builds. Understand 43.5 vs 58 PSI, boost-referenced pressure, injectors, and common fuel-pressure problems.
- Tags: boost referenced fuel pressure, E85 LS fuel pressure, LS fuel pressure, LS fuel pressure 43.5 psi, LS fuel pressure 58 psi, LS fuel pressure problems, LS fuel pressure regulator, LS fuel pump, LS injectors, LS swap fuel pressure, return style LS fuel system, turbo LS fuel pressure, what fuel pressure should an LS run