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Flowmaster

FOXY FUELING Holley Terminator X EFI For Fords

FOXY FUELING

Holley Terminator X EFI For Fords

Fuel injection has ingrained itself into our automotive realm. Thanks to companies like Holley Performance Products, affordable EFI systems rival the OEM’s offerings and surpass many in capability. Benefits such as wide-band oxygen sensors, real-time adjustability, and power-adder controls are just the tip of the iceberg for reasons why an upgrade is a good idea.

Earlier ECUs required burning information to a “chip” that would then use the updated information to try and control an engine’s air and fuel, as well as spark, drivability controls, and various other aspects of operation. The OEM “narrow-band” oxygen sensors were somewhat effective at keeping your engine’s tune close to an EPA-approved “stoichiometric” air/fuel ratio while at cruise, but fell off quickly during other areas of operation— and forget about getting any assistance from them at wide-open-throttle.

The "chip" on the left required a new tune to be burned into it while the Holley Terminator X and Terminator X Max allow for real-time tuning and viewing of various engine systems.

Today’s wide-band sensors have a much broader (wide) air/fuel spectrum they can effectively “see,” which makes them an excellent reason for an upgrade by themselves. They are able to interpret air/fuel ratios within the entire scope of engine operation ranging from idle to WOT in boosted applications. This ability means today’s newer aftermarket ECUs, such as Holley’s Terminator X and Terminator X Max will not only give you optimum fuel control for clean operation, but also can be set for maximum power throughout the engine’s entire range of operation.

Plug And Play Performance

Holley has not only created a highly-capable controller, but they have invested resources to tailor-fit several different systems for specific applications. The company offers Terminator X and Terminator X Max systems for Fords that will control both four, and two-valve Mod Motors, Coyotes (including Ti-VCT), and the venerable Foxbody’s MPFI 5.0-liter. Kits feature plug and play ignition capability with Dual Sync and HyperSpark Distributors (adapter 558-323 required for HyperSpark Distributors). Holley also offers universal kits if your specific application is not already addressed.  

Terminator X and Terminator X Max kits come with all the necessary harnesses and wiring to install.

Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1-bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. The Terminator X Max brings even more control to the table with Drive-By-Wire and transmission control capability.

Holley updated the limited factory ECU on this Foxbody Mustang. Click the photo to check out the details of the transformation! 

Installation with one of Holley’s Terminator X systems is simply a matter of following a few steps to integrate the system into the car’s current build. Check out this blog Holley did on installing a Terminator X into a Foxbody Mustang. And you Foxbody Mustang owners will appreciate that Holley even supplies a custom mount for your new Terminator X ECU under the passenger’s seat!  

Holley offers this cool mount which eases installing Terminator X under the passenger's seat of Foxbody Mustangs.

Once the system is installed, setting up the Terminator X or Terminator X Max can be accomplished by answering basic questions about the engine and drivetrain and then the Terminator X’s self-tuning capabilities can take it from there. Terminator X comes fully loaded with base maps for common V8 engine combinations. The 3.5" touch-screen LCD contains an easy-to-use calibration wizard as well as tuning and gauge display functions. Complete setup for most applications can be completed through Holley’s 3.5-inch touch-screen LCD, but a larger (7-inch) Digital Dash and an oh-so-cool 12.3-inch Pro-Dash is available to receive the most information as possible during operation.

You can download the free software from Holley to run its EFI systems, or you could use the 3.5-inch hand-held, the 7-inch display, or the super-cool 12.3-inch Pro Dash to get information from your engine.

Holley also offers a free software download for your laptop that brings advanced controls and tuning to your fingertips. The software is configurable to your application as Holley engineers have compartmentalized various controls into “ICFs” to easily give control to such functions as boost, timing, fuel, nitrous, and a variety of other applications. The software is as tunable for your application as timing and fuel are for your engine.

Whether upgrading your engine to late-model specs or simply adding EFI to your vintage Ford, Holley has opened up many cutting-edge benefits to those embracing Electronic Fuel Injection. In many ways, it has surpassed factory offerings and with either a hand-held device or software download for laptops, the ease of optimizing an engine has never been easier.

This schematic shows how simple upgrading to a Terminator X ECU can be into an EFI-equipped Foxbody Mustang.

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