Terminator X Max brings complete standalone engine control to conventional Ford V8 engines like the 302W, 351W, and 460 Big Block, replacing a factory ECU or pre-programmed chip with real-time fuel learn and Holley EFI's race-proven tuning technology. This kit adds 4R70W transmission control and comes fully loaded with base maps for common Ford V8 combinations.
Key Features:
- Plug-and-play control for Ford V8 engines such as the 302W, 351W, or 460 Big Block
- Includes Ford-spaced EV1 injector harness and 4R70W (1992-1997) transmission control harness
- High-impedance injector drivers safely power most stock and Holley EFI injectors
- Bosch LSU 4.9 wideband oxygen sensor included for accurate AFR feedback
- Built-in 1-bar MAP sensor with vacuum hose adapters (1/8, 1/4, and 3/16 in.); can be disabled in favor of an external MAP sensor for boosted applications
- Plug-and-play ignition compatible with Dual Sync and HyperSpark distributors (558-323 adapter required for HyperSpark)
- 4 programmable inputs for extra sensors, nitrous triggers, or a trans brake
- Boost control strategies: vs. time, vs. gear, vs. RPM, vs. speed, plus boost safeties
- Single-channel wet or dry progressive nitrous control with rich/lean safeties
- Advanced tables: 4x 1D, 1x 1D per gear, 4x 2D, 1x 2D per gear for custom tuning needs
- On-board diagnostic LEDs for ECU power, engine run, wideband status, TPS/crank/cam signal
- Includes 3.5 in. touchscreen handheld with calibration wizard for building a base tune quickly
- Compact ECU mounts virtually anywhere (LEDs must face up)
- Plug-and-play compatible with Holley EFI gauges, shift lights, and dash accessories (P/N 553-106, 553-111, 553-112)
- Free EFI tuning software for full laptop control
Specifications:
- Injector Connector: Jetronic/Minitimer (Ford-spaced EV1)
- MAP Sensor: 1-bar, integrated
- Transmission Control: 4R70W (1992-1997)
- Handheld Included: Yes, 3.5 in. touchscreen
- Includes: Universal MPFI Main Harness, 4R70W Transmission Control Harness, Ford-Spaced EV1 Injector Harness, Terminator X Max ECU, ECU Main Power Harness, Bosch LSU 4.9 Wideband O2 Sensor
- Part Number: 550-943
Terminator X ECUs are designed to be mounted with the LEDs facing up. Not recommended for marine applications, but can be used off-road in a dry, protected, heat-shielded location with proper wiring management.
FAQ
What engines is the 550-943 Terminator X Max kit designed for?
It's built for conventional Ford V8 engines such as the 302W, 351W, or 460 Big Block.
Does this kit control the transmission?
Yes, it includes a 4R70W (1992-1997) transmission control harness in addition to engine control.
Can I run a HyperSpark distributor with this system?
Yes, with the 558-323 adapter; Dual Sync distributors are plug-and-play without an adapter.
Does this kit include a handheld for tuning?
Yes, it includes a 3.5 in. touchscreen handheld with a calibration wizard.
Can I run this on a boosted application?
Yes, the internal MAP sensor can be disabled in favor of an external MAP sensor for boosted combinations.
