*** Due to current state regulations regarding limiting exposure, SEP will be reducing Staff at our shop therefore orders are currently shipping up to 7-10 business days after purchase date. If you need your parts sooner, please email us. Thank you for your patience and understanding.***
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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 Data

Full, Standalone, Terminator X (pre-installed in the handheld set up wizard) and GM ECU plug and play data is available upon request with proof of purchase. To obtain your data, please, send an email to


 include your purchase invoice #, product type and name.

 Injector Testing and Characterization is performed by Greg Banish, Calibrated Success inc.:
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. Visit his website @ https://detroit-technical-media.myshopify.com/pages/about-us

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