by Adam Riley | Sep 22, 2025 | 5.0-liter, EFI, ford, Fox, Fuel injection, Holley, How To, Ignition, Electronics, & EFI, install, installation, Mustang, tech, Tech Stories, Terminator X
Factory Fox Mustang engine control units aren’t the most advanced. For more control, we upgraded a 1993 Mustang GT with Holley’s Terminator X EFI.
