The OEM computer can be made to work within reason for each, but you’ll be buying a tuner, paying someone to configure the tune or looking at some external aftermarket solutions. Comparing wire schematics between an LS-series engine and Vortec V-6 or Vortec V-8 engine reveals that the same IC circuit controlling ignition coil 1 on the LS-series engines is used to control the ignition control module (ICM) of the Vortec V-6 and Gen I small-block Vortec V-8 engines. The preferable approach is to use a custom, aftermarket harness that eliminates needlessly long wire runs. The NF-S12A PWM chromax.black.swap comes with 4 black, white, red, blue, green and yellow NA-AVP1 anti-vibration pads respectively. It's not just a dumb motor like most fans. While the various offerings are great for enthusiasts, knowing which one is best for you requires some research. The wiring harness was made by Speartech. EFILive can program all relevant ECMs through the 2017 model year. The user-tunable FAST XFI 2.0 controller carries all of the usual functions for LS operation as well as fuel pump and cooling fan controls. You will need a PWM signal, but both fans have the PWM controller built in. While you can likely get away with a low-pressure fuel system if you’re using a carburetor, you’ll still need an electric fuel pump somewhere, and a means for operating the ignition. Since the position of the camshaft dictates this timing, a camshaft position sensor is used to share this information with the ECU. Aluminum Bellhousings For Chevrolet LS, Small Block, And Big Blocks, SEMA 2020: BP Automotive Holley EFI Standalone Harness, SEMA 2020: Dakota Digital’s RTX Line Of Gauges, 2020 Product Showcase: It’s A Mod, Mod, Mod, Mod World With QA1. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! If you’re looking for plug and play, EFI Source has a controller using their MicroSquirt ECU. Horsepower has increased to 650 ponies in factory trim, and the sky is the limit if you’re looking to build your own. Your vintage car can also benefit from their design. It works with one or two fans, but instead of switching one fan on later than the other, the PWM Module adjusts the fan speed on one or both fans by reducing voltage to the fan motor. The final value applied to the controlled PWM depends on the selected method: either MAX of speeds or SUM of speeds. A "complete" system might mean all of the necessary wiring, ECU and sensors, as in this MS3 "Gold Box" by EFI Source.com. Might work just fine. The engine is swapped into a 2001 Chevrolet S10. The Dominator ECU has more input and outputs, and allows control of an E-transmission whereas the HP does not. While searching around for fans to cool the LS3 swap I came across two good possibilities. The LS platform does not have provision for a mechanical fuel pump, so you’ll need a way to control the amount of fuel your engine receives from the tank. Jeff Smith Editor. Product Description PWM FAN CONTROLER with AC PRESSURE MONITORING The module is a standalone option for controling a chrysler style PWM fan knows as a pentastar fan. The PWM works on what Derale calls slow start technology, in which the current that goes to the fan motors is not a blast of current, rather it arrives in a controlled manner from the PWM. – Dave Emanuel, Digital EFI. We curently offer several types of PWM controlers PWM-CAN. How about nitrous or boost? Interfacing with your LS engine can be done via a small, hand-held display or through a laptop. © 2020 Power Automedia. With the MS3-Pro or MS3X, just use an unused PWM, medium current, or high current output to run a fan relay. E38 and E67 controllers are similar, although the E38 has two harness connectors and the E67 has three. The ICM causes the ignition coil to fire based on IC circuit signal pulses. Spal PWM fan controller: See website: The Fan Man: 138.00: Del City 40-amp breaker: 71118: Del City: 1.93 : Del City 50-amp breaker: 71120: Del City: 2.25: Show All. Many aftermarket harnesses come with relays and fuse boxes. This unit is configured for automatic variable fan speed operation. Finding value in style points, he can appreciate cars of all power and performance levels. If you’re looking at modifying an earlier version (Gen III or Gen IV), then the aftermarket is lining up, waiting to speak with you. Remain Cool. Electronic throttle control Sure, it had 345 horsepower – more than its predecessors – but being drawn from a clean sheet of paper, there was little besides its bore centers and the term “small-block” that linked it to previous powerplants. Fuel Air Spark Technology also offers controllers for LS swaps. PWM FAN CONTROLER with AC PRESSURE MONITORING The module is a standalone option for controling a chrysler style PWM fan knows as a pentastar fan. Let’s face it, the factory ECU is quite capable of controlling a bunch of horsepower and providing great fuel mileage while doing it. The factory Lincolns used two speeds-one was a PWM built into the factory ECM, and the high speed was triggered via a 60 amp relay in the main fuse panel underhood of that Mark VIII. The basic test for duty cycle is with an oscilloscope, which you can connect to the powertrain computer input at the module on the fan assembly or, as Toyota recommends for the LS 460, to the equivalent connector on the front controller (terminal labeled FAN 1 with wire to terminal S1 on the Fan Control ECU). Another benefit of some ECUs is data logging. I have an GEN IV E38 ECM running my 408 LS. There are a lot of options! (See Figure 6.2.) Truck calibrations have 2 fan outputs from the ECM - … Images: LS1Tech.com. In fact, you can check out another article that showcases a lot of the actual install parts you’ll need by clicking here. C6 (and 06-09 Ford Fusion fan that uses the same Siemens controller) uses PWM Electric at 128Hz. For MS2, see how to add a relay control circuit. Turning off VATS (Vehicle Anti-Theft System) is basically a requirement with a swap, because the new vehicle probably doesn’t have the matching hardware. With Gen III engines, which have a 24-tooth reluctor on the crankshaft, a “411” PCM is the standard for 2000 and later-year models. Modern performance computer systems can be noisy due to high heat output components. Knowing What You Have If you are running dual fans and want to have factory-like fan control, this kit is just what you need! Whereas the lack of a distributor and an Octuplet of coils mounted on the valve covers originally made many enthusiasts scratch their heads, time has shown that the early adopters were right, and there are benefits to be had in this new engine configuration. All rights reserved. The 1997-98 engines use an entirely different PCM, and although the 1999 PCM is of the same type as the 2000 and later, some pin-outs are different. Next is a three-bolt 1X camshaft gear from a 2005 LS2 Corvette or 2005-2006 LS2 GTO/SSR/Trailblazer. HERE'S THE CONTROLLER BUILD: During the summer of 2016 I began looking into creating my own relay-based cooling fan controller after experiencing a succession of … A Fan Controller requires a PWM to act on. You see, while the Gen  III, Gen IV, and even the Gen V engines may look similar when torn down to their base materials, there are some differences that you’ll need to know before you can make any computer work properly with them. Their HP series is tunable via laptop, and like their Dominator ECU, carries a broad range of options to suit even the most hardcore power junkie. We will safeguard your e-mail and only send content you request. Some people like to shut off the Displacement on Demand/Active Fuel Management function, and camshaft phasing can also be altered or shut off. Yeah, I do not expect the Gen 2 LS fan and a PWM power controller like the autocool to work well together. Make sure your harness has all the capability that you’re wanting from your engine. Your LS will need a harness, even if you choose to use a carburetor. C7 brushless fan uses the PWM EV setting at 100Hz, per a stock tune from the HPT repository. Their plug and play EZ-ECU kit self-tunes once all the pertinent information is installed via the touch-screen. MSD has a handy LS Ignition Control Module that will handle all aspects of your LS engine’s ignition. Many of the early swaps were powered by the OEM computer. We curently offer several types of PWM controlers E38-PWM-CAN. A Fan Controller is a perfect accessory for enthusiasts looking to take charge of their whole system. While that sounds like a simple question, it’s actually pretty important. Knowing the configuration you have, is key to getting your engine up and running properly, no matter what computer you use. If you don’t have some kind of speed control your fan will be running max speed every time your AC compressor kicks on. Most LS-based engines are drive by wire, but if you are looking to run a throttle cable, Lokar has a handy bracket (PN TCB-40LS1). The LS fan has a built-in soft start and, I believe, self check which will probably not respond well to the ground switching. Connecting to e67 Ecu for ac fan control on a LS Swap I have installed a LS3 crate engine with a Vintage Air and a T56 Magnum transmission in a 67 Firebird.The engine controller is an E67 ECM. The speed can be controlled based on a temperature sensor input signal or a simple switched input for on/off type control. Also, you’ll likely need to turn off any rear oxygen sensor and catalyst efficiency codes depending on the vehicle’s configuration. Whether aftermarket or OEM, make sure that your harness supports whatever features you’re wanting (DBW, nitrous, and/or boost controllers). Product Details The Lingenfelter VSFM-002 is designed to provide the PWM speed control signal needed to operate variable speed OEM and aftermarket DC brushless cooling fans and fluid circulation pumps. Or it could be a complete engine/transmission combo with the ECU and all necessary hardware like this Connect & Cruise LS376/480 package available from Chevrolet Performance. Speed Density or MAF? GM then went to a three-bolt 4X camshaft gear in the 2006 LS2 Corvette and 2006-2009 LS7 Corvette, and then back to a single-bolt 4X camshaft gear from the 2007-2009 LS2 and LS3 (third photo). They are available for Edelbrock and Holley carburetors. Knowing what you want from the beginning could make the difference between satisfaction, or re-doing parts of the project as your search for horsepower continues. The LS engine as we currently know it, was introduced more than twenty-years ago. Some are beneficial and make upgrading your ride with LS power simpler, but they could require a change if you dare to push the envelope further. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Changes are rampant throughout the Gen III and Gen IV production runs. C7 Corvette 600w fan with integrated pwm controller 2008 Ford Fusion fan and pwm controller Could not find the exact size/dimensions of these fans so noted the radiator dimensions. There are six preprogrammed timing tables that are changable with a rotary selector switch for easy timing changes. Holley offers their plug-and-play "Terminator" ECU, as well as their "Dominator" and "HP" series of computers. Fan Controllers. Entropy has a two speed controller that needs two fans. Why Do We Measure Engines Against The Power Of Horses? Changing controller type shouldn’t be a major problem, provided the sensors and controllers on the engine are compatible. See all 14 photos . The user-tunable FAST XFI 2.0 controller carries all of the usual functions for LS operation as well as fuel pump and cooling fan controls. The ECM (or PCM) of choice depends on the original equipment configuration. It includes a FAST XFI 2.0 system, an XIM Ignition Module, and all necessary plug-and-play wiring. In 2018 I discovered the below high-amp line of PWM fan controllers, so I retired the 4-speed relay controller. Their Terminator series includes everything you need to control your stock or mild-modified LS engine. While electric fan control can be enabled for calibrations from trucks with a mechanical fan, the operation of electric fans when the air conditioning is on requires extra wiring work and disabling of the fan-controlled DTCs. That will require a program like EFILive, even if you’re not tuning for more power. Andy has been intrigued by mechanical things all of his life and enjoys tinkering with cars of all makes and ages. Early homemade fan controllers used a simple “volt mod” by choosing 5, 7 or 12V from a classic molex connector. 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The power and fuel efficiency of the LS-based engines is a result of EFI and other techniques. The Dominator and HP are both user-tunable. 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 1200rpm maximum speed chromax.black.swap edition with attractive all-black design and swappable red, black, white, blue, yellow and green anti-vibration pads for colour-customising › See more product details Be Cool makes it easier than ever to wire an electric fan for a new LS engine swap module, and has multiple fan wiring kits it has available. It also contains max and launch rev limiters. You can find specifics as to year and model for each controller on the EFILive website by clicking here. All rights reserved. And because the current is lower, so is the heat, and the wires stay cooler. The difference between the two settings is the relationship between Fan Desired % to duty cycle - they're backwards from each other. The fans required to cool your Case, CPU or Graphics Cards can vary in speed and the majority are optimised to sit at a constant speed. Even if everything swaps over from the take-out vehicle to your vintage ride, you will still need to make some changes. CLICK HERE TO SEE THE NEW CONTROLLER INSTALLATION. Here are a few aftermarket options you’ll want to consider. I am using a complete Holley LS Engine Swap Accessory Drive Systems Part #20-138 that includes a 130 amp alternator. Some folks still want to run a carburetor on an LS-based engine, and the aftermarket has you covered. I have tried every controller on the market and I have since gone back to using two relays for the two speed fans and one for the single speed versions. … DC Motor LS FET Driver (LIN/PWM Interface) | E523.03, E523.04, E523.13, E523.14 (*SBC) Description This IC is developed for automotive applications to control one NMOS – … If you are looking for plug-and-play, this feature may not be of value to you, but knowing that going in could save you some frustration. PWM is a method to provide continuously variable fan speed based on coolant temperature. Running drive-by-wire? This new controller has been flawless. By combining the various colours with black or leaving off the pads on one side, the fan can be coordinated with most popular build colour schemes out of the box. These fans are noisy. This brings options such as boost control, camshaft-phasing, traction control, and others to the install, as well as a much broader tuning range. They can be ordered through Grainger (PN 4ZU28) and install easily. For each temperature is defined its response curve. If that sounds like more than you want to take on, the aftermarket is ripe with offerings to put an LS under your hood. © 2017 Power Automedia. We did some scouring to find differing ways to make your LS run. It can be installed on both 24x and 58x crankshaft trigger engines, and features several ignition features. Likewise, if you’re planning on including any power adders down the road, you will want to consider this when shopping for an ECU. The Gen IV engines use a 58-tooth wheel for the crankshaft position sensor. Many GM trucks equipped with a Gen III PCM use a mechanical fan. The Gen IV engines have the sensor in the front cover, reading the front of the camshaft gear. I prefer to use Holley EFI and program the PWM output for the fans. Also included is an easy-to-follow wiring diagram. Plus, one of the major hurdles in bringing one of these newer-gen small-blocks to life has been addressed, and enthusiasts have options from both the aftermarket and the General himself. The fan (s) are triggered via a temperature switch and 40-amp relay combination. An … Besides sensor location, the number of bolts that hold the cam gear in place changed over the years. Dave Emanuel helped us understand some of the differences between various production years and what to look for if shopping for an OEM computer for your LS swap. Also note that the E38, E67, E78, and E92 were also used on engine platforms other than V8. Many aftermarket units have provisions for boost and nitrous control, as well as fuel and timing requirements for each. MSD makes this handy ignition module that allows you to run an LS engine without an ECU. Early LS1 intakes have the bosses but didn’t have the M6-1.0 threaded inserts necessary to bolt the throttle bracket to the intake. The truck died over the weekend. Andy is an avid railfan and gets his “high” by flying radio-controlled model airplanes when time permits. It was followed by the use of ordinary resistors to slow the fans down, fans equipped with thermal resistors, various potentiometers for a wide range manual speed control, etc. I removed the stock S10 ECM that ran the original V6. It has a lot to offer! He keeps his feet firmly grounded by working on his two street rods and his supercharged C4 Corvette. This made perfect sense, since those ECUs were already designed to make use of new technologies used on the Gen III engines. With the numbers of engines available as take-outs, and aftermarket options increasing daily, it’s becoming much easier to enjoy all the benefits that a late-model engine brings to the under-hood area of your ride. Heading into the … When a temperature is selected in the list box, the relevant configuration parameters appear on the left side. There are two things that you need to ask yourself, and finding the right ECU for your application hinges upon answering these two questions properly. This unit will read the engine coolant temp and AC pressure info from the vehicle CAN BUS. I'm working on a 1967 Cougar with a LS swap, and will be using the Dominator ECU. It comes precalibrated for no-hassle installation and tuning, and is adjustable via the included 3.5-inch color touchscreen. Computers are constantly evolving, and the computer in your car is no different. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. It includes a FAST XFI 2.0 system, an XIM Ignition Module, and all necessary plug-and-play wiring. Even the leads on this unit from EFI Source come labeled where they should go. This feature can be highly beneficial when chasing down an issue or doing some fine tuning. In GM LS applications GM used three relays to control your fans in series to enable the fans to work together. OEM and aftermarket ECUs both have provisions for driving electric fuel pumps. Both are rated at 600 watts. A complete installation instruction booklet is included with every module. In their own words, “This is the ultimate “bare bones” Plug-and-Play package for those who only need to control fuel and timing.” They also offer their MS3 LSX Plug-and-Play Gold Box. By having a plan, you can check that a particular unit fits your needs. New Variable Speed/PWM Cooling Fan Controller from PSM Power Systems Management (PSM), a new company founded to design and develop practical and useful control strategies for electrically driven devices, introduces the all new VC1240 variable speed, pulse width modulation cooling fan controller. Mounting an Affordable LS Engine Swap Radiator Fan Assembly. Since the piston has two TDC events – but only one firing event per cycle – the ECU needs to know where the engine is in this cycle. This unit will read the engine coolant temp and AC pressure info from the vehicle CAN BUS. With Gen IV engines, which have 58-tooth reluctors, it’s best to stick with the same type of controller as used originally, either E40, E38, E67, E78 or E92. The corvette is a large single and the Volt is dual 12" fans. The info is mostly about using a stock ECU to run fans PWM, but some of the info is applicable to using the Holley. Transmission controllers like these from EFI Source (Left) and Baumann Electronic Controls (Right) will get you running through the gears. When it comes to swapping in an LS powerplant, popularity is definitely a plus. The caveat here is that through 2002, both cable and electronic throttle control was available, so the PCM has to be properly configured to match the throttle type. The PWM Fan Controller Module can control up to two fans, supporting up to a maximum of 65 amps. Trucks use a two electric fan, 3 relay setup. FAST offers their XFI 2.0 system (user tunable) or their EZ-EFI (self-tuning) system for those who want more plug and play. Interacting with the ECU can be done in various ways, depending on the style and brand of computer you are using. Items like drive-by-wire throttle, Active Fuel Management (displacement-on-demand), and cam phasing on later offerings were all factory tricks to get the most power for the least amount of fuel and emissions. Whether planes, trains, motorcycles, or automobiles, Andy has immersed himself in a world driven by internal combustion. Pulse Width Modulation. Want to run a carburetor? I have a C6 Corvette fan & fan controller (solid state relay) that will be connected to the Dominator. Another major player in the LS controller arena, Holley offers several EFI controllers for LS applications. History seems to be repeating itself with the new “small-block Chevy” becoming the go-to engine for those wanting more, and for good reason. Let that sink in. This reduction in voltage slows the fan down at lower temperatures, and ramps it up at higher temperatures …
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