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Technical Data for SEP Products

Fuel Injector Calculator

Helps answer: "What injectors do I need?"
(Not compatible with mobile devices)


Injector Characterization and ECU Specific Data

COMING SOON!!! Full P/N list will be complete by Winter 2019 to include:

ECU Specific Plug and Play Data for GM, Ford, Mopar, Holley ECU's

SAE J1832 "Standard Injector Characterization Reports" (more here:

  • Closing Time (CT)
  • Inductance (L)
  • Coil Resistance (R)
  • Dynamic Flow (Qd)
  • Dynamic Flow Calculated (Qdc)
  • Dynamic Flow Rate (Q)
  • Dynamic Flow Temperature Shift (Qtd)
  • Dynamic Flow Vacuum Shift (Qvd)
  • Dynamic Minimum Operating Voltage (DMOV)
  • Dynamic Set Point (PWxx)
  • Dynamic Set Point Flow (Qsp)
  • External Leakage
  • Flow-Offset (Y)
  • Insulation Resistance (IR)
  • Linear Flow Range (LFR)
  • Linearity Deviation (LD)
  • Maximum Overload Voltage
  • Opening Time (OT)
  • Operating Voltage Range
  • Period (P)
  • Pulse Width (PW)
  • Pressure Drop Ratio (PDR)
  • Repeatability
  • Slope (m)
  • Slope Approximated (ma)
  • Spray Pattern
  • Stability (S)
  • Static Drop-Out Current (I/S-OFF)
  • Static Flow Rate (Qs)
  • Static Minimum Operating Voltage (SMOV)
  • Static Pull-In Current (I/S-ON)
  • Time-Offset (X)
  • Working Flow Range (WFR)


Injector Testing is being performed by Greg Banish, from Calibrated Success:

About Greg and Calibrated Success: Greg's background is that of an automotive calibration engineer with extensive background in boosted gasoline engines, system controls, and hybrid vehicle systems. Greg is an experienced speaker who travels the globe to teach high performance engine calibration. -

Tuning Help For SEP Injectors

Terminator X Tunes

Terminator X "Safe Base" Tunes are intended to get your car up and running and into the learning phase (yours and your ECU's). They may be seem perfect but use with caution until all parameters have been double checked. Thanks to 918 Motorsports, Kevin Robinson (HoneyBadgerOBS IG/FB/Youtube) and Matt Happel (Sloppy Mechanics (Youtube), LSXBobRoss, Denmah, (FB/Youtube).





Below are some base tunes for SEP Injectors made by trusted Tuners such as Matt from Sloppy Mechanics, Nick Noble, Cesar Enriquez "CZAR" and "Starvin'" Marvin
ECU P59_210lb race
HPT 1000cc 5.3 Turbo

Tune Cabinet, search here for a base tune from other SEP injected vehicles