How to use:
Populate the below fields and hit the calculate button. Take note of the Estimated Boost Required value and refer to the graph at the bottom. In a proper setup the blue (fuel pump) and yellow (injector) lines will be above the dashed green line (required fuel flowrate) in the areas of Estimated Boost. You must update the Target Crank HP value and recalculate to keep the graph accurate as Estimated Boost will change. 85-90% Max Injector Duty Cycle and 15-20% Safety Factor are good starting points.
Physical Hardware & Configuration
Please select your physical hardware (pumps, injectors, etc) and configuration (base fuel pressure, boost referenced, etc).
Fuel Injector Data
Fuel Pump(s)
Pump 1 Flowrate @ base pressure: NA
Pump 2 Flowrate @ base pressure: NA
Pump 3 Flowrate @ base pressure: NA
Venturi Flowrate @ base pressure: NA
Configuration
Cylinders Base fuel pressure (psi)Ethanol Content (0-100%)Richest AFR target @ WOTTarget crank hpSafety Factor (%)