While I’ve been assisting customers for years with the LS1 PCM, I can’t help but be impressed with the ease of use of Holley’s EFI systems. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. Its compact size will give you plenty of mounting options. All Products Close ; New & Hot Products; Gaskets. But that doesn't change the fact that it is also an absolutely ideal distributor for the Terminator EFI Throttlebody Injection System. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! Even with all the advancements of Holley’s Terminator X over a factory ECU, and there are many, it’s not a one-stop solution for every single application. “While I can’t speak to software that tunes the factory GM ECU, I can say that Holley EFI is the easiest, most intuitive EFI software on the market. The view of the Terminator-X ECU and its hand-held device may not be visually impressive, but its combination of functionality at an affordable price is what makes this ECU package attractive. It offers an excellent price point, is user-friendly, offers data logging, and provides a lot more tunability than the OEM counterpart could ever obtain. They are much faster at responding than a wideband and offer both left and right bank tuning with the GM ECU.”. “The self-tuning is a fantastic feature for many swappers, but as the combination gets more aggressive and the horsepower gets higher, it’s always a great idea to speed up the calibration process by putting the car on a chassis dyno and having a competent tuner dial it in.” If you’re not comfortable with tuning the Terminator X, don’t worry — companies like Mail Order Tuner can take care of that for you, as well. “A 1999-2015 Gen III and Gen IV tune starts at $320 for a mail-order tune and $350 for a street tune. Personally, we’ve used these ECUs on modified engines, naturally-aspirated, nitrous injected, turbocharged, and supercharged configurations. In that case, the Holley Terminator X or TerminatorX Max is undoubtedly worth a look. The same is true with nitrous tuning. Gaskets - View All Close ; Header Gaskets; Other Gaskets; Carburetor Gaskets; Collector Gaskets; Also in Gaskets - View All. Seller 100% positive. Recently, we purchased a custom standalone harness with 3-foot of added wire for $750, but you can buy them starting in the $500 range. Holley Terminator X and X Max EFI Systems Wiring Diagram Holley Wiring Harness for Ford 5.0 Engine in Foxbody Mustang Harness Manual Holley Wiring Harness for Ford 5.0 Engine in Foxbody Mustang. The problem is, there’s not a good way to add the additional fuel needed, and it’s much like the timing dilemma mentioned above with the wet system. Terminator X Universal MPFI Kit. Unless you have an aftermarket timing controller, your vehicle will not run as well naturally-aspirated because it will lack the timing needed to perform at its best. Holley Terminator EFI ECU $ 1,548.00 $ 1,392.95. While a laptop offers access to more sophisticated tuning parameters, you can do everything needed with this simple handheld device. All rights reserved. However, this is an easy dilemma to fix. We will safeguard your e-mail and only send content you request. The built-in sensor of the Terminator-X eliminates this potential issue. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. Designed as a direct replacement for any car running a 4150-style intake manifold, it’s easy to install and easy to set up. Please be aware that this is a community forum. Control fuel, drive-by-wire & electronic transmissions (4L60E & 4L80E) all through the Terminator’s new 3.5" touchscreen! But if you want to get more sophisticated — or are just more comfortable with a keyboard — a laptop can be easily configured to dive into both the basics as well as the more in-depth aspects of the Terminator software. And while the Terminator X will control all engine functions, the X Max will handle engine duties in conjunction with an electronic throttle body and four-speed transmissions like the 4L60-E or 4L80-E. Terminator X … Please be aware that this is a community forum. SKU: 554-119 Category: Holley Tags: ECU, Holley, Holley EFI. Other than these control options, the MAX offers no additional features or tuning controls over the standard Terminator-X, so there’s no reason to purchase the MAX unless you intend to use drive-by-wire throttle or transmission control. You may have to register before you can post: click the register link above to proceed. There are two lights currently unused, with the remaining six covering ECU power, engine run, wideband status, TPS calibration, crank signal, and cam signal. Products. The injector harness is separate so different injectors can be easily accommodated without changing out the entire main harness. Here’s a package we find alluring on the left. Differential Cover Gaskets; Intake Gaskets; Supercharger Gaskets; Gasket … Holley’s Terminator-X and Terminator-X MAX systems offer control over a breadth of GM or aftermarket high-impedance injectors, with provisions for either a cable- or electronic-actuated throttle body. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete … Holley has several displays of various sizes that will work and allow you to monitor the engine’s vitals at a glance. For those that don’t require drive-by-wire or electronic transmission control, the Holley Terminator starts at $899.95. Terminator EFI. Starting at $88 a month with Learn More. Please read all the WARNINGS and NOTES, as they contain valuable information that can save you time and … This free software provides access to all of the base tables and maps required to operate your LS engine! Allowing you full tuning access to the Terminator X and Terminator X MAX ECU. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. For those looking to dip their toe into the EFI waters for the first time, Holley’s Terminator series EFI systems are the perfect start. As an example, let’s assume you’ve just dug up a nice iron-block, 6.0-liter LS engine, originally from a 2001 truck, and you’d like to drop this into a sweet little ’67 C-10 pickup. We opted for the 3.5-inch screen as part of the package. Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM’s popular LS engines! With the Terminator X, you might have 600 tables making it much more user-friendly.”. The main ECU is accompanied by a 3.5-inch touch-screen handheld unit, a Bosch LSU 4.9 wideband oxygen sensor, and a complete wiring harness and injector harness. And while you might think this is expensive, hear us out. It also contains all tuning information. Mounting Flange. The problem is, this ECU can’t differentiate when the nitrous is on or off. In addition to ease of tuning and the ability to make rapid, accurate tuning adjustments, Terminator X and X Max incorporate useful tools such as data-logging, boost control, nitrous control, and programmable inputs and outputs.” And Perkins brings up a lot of great points here that we will dissect later. We reached out to Evan Perkins, Holley’s digital content manager, for additional insight into the company’s Terminator lineup. The only failure I've ever had is the WBO2 sensor. They have logged thousands of hours tuning and adjusting the factory ECU’s and have it down to a science. Narrowband O2s are also good. © 2017 Power Automedia. This means an external two-bar or higher MAP sensor can be used to read boost. Holley Performance Products has written this manual for the installation of the TERMINATOR STEALTH™ EFI TBI fuel injection system. We reached out to Casey Rance, Owner of Mailordertuner.com, to see what that would cost. On 72 Nova SS Project Car Build. ECU: Boost Control: Yes (Requires Additional Hardware) DIS Outputs: Eight: Family: Terminator X: Fueling Strategy: Speed Density, Alpha-N, or Combination: Includes Power Harness : Yes: Injector Drivers: Four: Internal … … This manual contains the information necessary for the installation of this kit. $655.95. Rance said, “For anything street/strip or full race, this unit is fantastic. Rance said, “MAF-based tuning is the best way to tune a vehicle. Condensed down to its basics, Holley created a very affordable way to finish off a late-model LS engine swap with fully functioning EFI. This is why companies like Rance’s Mail Order Tuner exist. Holley says this is a plug-‘n-play system. Holley Fuel Injection Throttle Body 534-228; 950 cfm. You may have to register before you can post: click the register link above to proceed. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. My first road test with a Terminator X installation was a breeze. PART# 550-936. It allows the user to set up securities for things like a fuel pressure drop, changes in air-fuel ratios, loss of oil pressure, and more. To start viewing messages, select the forum that you want to visit from the selection below. The Terminator-X MAX could control both the engine and trans and save the expense of a separate transmission controller. The Terminator EFI is a line of highly advanced throttle-body injection systems that will work on most any engine with an intake manifold that can accept a 4-barrel carburetor. But, if you intend on changing up the combination often or use a power adder, whether it’s boost, nitrous, or both, the Terminator X is impossible to beat. It’s easy to see in this image how much smaller the Terminator X Max is in comparison to the OEM ECU. As of 2016 Holley EFI is also used to control every NHRA Pro Stock car that goes down the strip! Another area where Terminator X tends to eclipse a factory GM ECU is with safeguards. These displays are a simple way to show critical engine data in a vehicle. Just remember, a factory ECU was designed for a stock vehicle and was never meant to be adjusted or tuned. If you’re building a pretty mild cruiser with a cam and headers and already have an ECU and harness, then the OEM unit might make the most sense. However, suppose you don’t have the above items, and you’re planning on running a power adder or modifying your powerplant often. Although Holley employees will take … The 4.9 sensor does require a different connector than the earlier 4.1 version. Both the Terminator-X and MAX employ a built-in one-bar MAP sensor, which makes integrating the system much easier. Holley’s Terminator X And X Max. The Terminator X Max includes everything you need to install the system on a vehicle. Start with an affordable 6.0L, add a set of ported, factory 5.3L heads to bump the compression, and a mild cam. Please read all the WARNINGS and NOTES, as they contain … Perkins continued, “The advantages of Terminator X Max over the factory ECU are nearly endless. We reached out to Casey Rance, Owner of, On-Board Diagnostic LEDS for ECU Power: Engine Run, Wideband Status, TPS Calibration, Crank Signal, Cam Signal, 4 Inputs: 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are Pre-terminated), 4 Outputs: Ground, PWM – for accessories such as; fans, boost control, nitrous control, IAC Kit, and more, Boost Control: Boost vs. Time, Boost vs. Gear, Boost vs. RPM, Boost vs. From propelling the LS-, … Holley Terminator X engine management system is a great alternative to tuning with the cumbersome factory ecu programming. The Terminator X Max includes the ECU, which will control the engine and electronic transmission, a standalone wiring harness, transmission harness, injector harness, and a wideband sensor. But, to retain the same level of plug-and-play compatibility that is experienced by Sniper EFI System users, you'll want this harness. This manual contains the information necessary for the installation of the ECU, wiring, throttle body, sensors, and fuel system. In the past, we’ve had issues with coordinating the correct aftermarket MAP sensor with the Holley HP which caused a bit of grief. An Iowa native, Smith served a variety of roles at Car Craft before moving to the senior editor role at Hot Rod and Chevy High Performance, and ultimately returning to Car Craft. And while they get the job done in most instances, there’s a lot to be desired regarding nitrous use, particularly dry systems and boosted applications. Free shipping . Holley Performance 534-227 Terminator EFI TBI System. Cold start and first impressions of Holley Terminator EFI. Let’s use nitrous, for example. We will safeguard your e-mail and only send content you request. The days of needing a local or mail order tuner are history. If you have a boosted application, you are looking at $500 for a standard tune,” explained Rance. A gearhead for life, Brian is obsessed with all things fast. Fuel Injection Throttle Body Holley 534 … So, how hard is it to tune the Terminator X compared to the GM ECU? (Right) One option for the Terminator-X MAX box combines engine management with the potential to also control a 4L60E or 4L80E transmission. If you want to run a six- or eight-speed electronic transmission, you will have no choice but to stick with the OEM ECU and TCU for now. Holley set out to make a fuel injectionI system that is as easy to install as their classic carburetors and they have hit the mark. Simplicity is the Terminator-X’s intended function point and is aimed at engine swappers. Free shipping. It appears the Terminator-X has a direct line on removing headaches, and making LS engine transplants simple, easy, and fun. Seller 98.7% positive. “There are zero safety precautions with the factory GM unit. Terminator EFI Free shipping on orders over $100 Details. However, it will need to be calibrated in the system. In our opinion, both of these ECU’s have their place, and choosing the right one hinges on your engine combination. Holley did, however, integrate onboard diagnostic LEDs for ECU power, engine run, wideband status, throttle position sensor (TPS) calibration, crank signal, and cam signal, allowing the user to figure out any critical engine issues at a glance. Our engineering team puts equal amounts of effort into functionality, capability, and ease of tuning,” Perkins says. The Terminator Multi-Port systems are available for most popular LS engines. To start viewing messages, select the forum that you want to visit from the selection below. About Holley Fuel Injection Holley is quickly becoming The New Standard In EFI! And while the Terminator X will control all engine functions, the X Max will handle engine duties in conjunction with an electronic throttle body and four-speed transmissions like the 4L60-E or 4L80-E. By our calculations, with Rance tuning an LS swap, it would cost around $895 for a naturally-aspirated setup and $1,150 for a boosted application, which puts it right at the Terminator X and Terminator X Max price points. This problem only compounds with a larger hit of nitrous. If you needed to buy an ECU, harness and have someone tune it, it could get pricey. $628.96. Although Holley employees will take … Introducing the Terminator X Software from Holley EFI. Make no mistake, this is the MOST comprehensive Holley Terminator X training course available anywhere. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! But, if your plans include playing with boost, you can easily configure an external MAP sensor that fits your needs and the harness has a built-in connector already in place. Free shipping. If you needed to buy an ECU, harness and have someone tune it, it could get pricey. Seller 99.7% positive. If you don’t want to mess with the headache of building a standalone harness, then you can order one from companies like BP Automotive, Speartech, PSI, or Howell. All rights reserved. All you need to do is order a Terminator X with a digital screen. Now with the Terminator-X, you can have the advantages and ease of aftermarket tuning with an affordable ECU and harness package. View and share this list. Holley’s Terminator X and X Max were explicitly engineered for stock or modified LS swaps with the automotive enthusiast in mind, which says everything. I have been running the Terminator since 2015. Description Additional information Reviews (0) Description. Holley Terminator X and X Max EFI Systems Tuning Manual Holley Terminator X and X Max EFI Systems Wiring Diagram Holley Wiring Harness for Universal Engine. No laptop is required — but if you have one, you can access certain tuning charts which are not available on the 3.5-inch hand-held touch screen. Holley integrated onboard diagnostic LEDs for ECU power, engine run, wideband status, throttle position sensor (TPS) calibration, crank signal, and cam signal. With a long feature list, solid software, and many supported applications, it’s a great choice for many enthusiasts. This view of the side of the Terminator-X ECU reveals 8 indicator lights used for instant diagnostics. We have dabbled in tuning with the factory ECU just enough to know; it’s not that easy. You may have to register before you can post: click the register link above to proceed. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. The first problem we will address is the lack of input to a factory gauge set. Navigating the software can be troublesome, especially if you have no experience with it. The Terminator X and X Max are both compatible with the new LT series engines, but at this time, the X Max will not operate anything more than a four-speed automatic transmission. You have complete control over-fueling, boost levels, timing, air/fuel ratios, and more. $655.95. An accomplished engine builder and technical expert, he will focus on the tech-heavy content that is the foundation of EngineLabs. © 2017 Power Automedia. In this video I describe some considerations that should go into properly scaling the load and the RPM axes, for the fuel and spark ICFs. When you take the Terminator-X out of the box, this is what you’ll see. Install, answer a few basic questions and drive! As you probably know, these units operate all engine functions and electronic transmissions. If you want to put it on the dyno, it’s $500. You may have to register before you can post: click the register link above to proceed. ASK OUR EXPERTS: 1-866-464-6553. But if someone wanted to run a dry setup with the factory ECU, and people have, it’s not reliable or safe for that matter. Whether you just … An EFI System so easy and powerful you’ll think it’s alive! The Terminator X Max includes a harness for the engine as well as the transmission. However, if a supercharger or turbocharger is in your wheelhouse, the Terminator-X’s included wiring harness is exactly the same as the HP and Dominator systems. The whole idea behind having fun with cars is not having to struggle with complex EFI systems. The 3.5-inch touch screen is all you need to input data and make multiple tuning updates. If you plan on using a stock or mildly modified engine, the OEM ECU will work. Universal MPFI Main Harness - EV1 Injector Harness, 3.5" Touchscreen Included. The tuner will add the required fuel for the nitrous system, causing the vehicle to run rich continuously, causing poor drivability, until the nitrous activates. All rights reserved. In the past, your choices were fumbling with the factory wiring harness and ECU, or using the stock ECU combined with a more functional aftermarket ECU, or spending over $2,000 for a complete retrofit laptop-tunable aftermarket ECU system.