The difference between the two settings is the relationship between Fan Desired % to duty cycle - they're backwards from each other. This brings options such as boost control, camshaft-phasing, traction control, and others to the install, as well as a much broader tuning range. The corvette is a large single and the Volt is dual 12" fans. There are six preprogrammed timing tables that are changable with a rotary selector switch for easy timing changes. And because the current is lower, so is the heat, and the wires stay cooler. © 2020 Power Automedia. Pulse Width Modulation. © 2017 Power Automedia. An … 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 – … I have a C6 Corvette fan & fan controller (solid state relay) that will be connected to the Dominator. The ICM causes the ignition coil to fire based on IC circuit signal pulses. Changing controller type shouldn’t be a major problem, provided the sensors and controllers on the engine are compatible. It includes a FAST XFI 2.0 system, an XIM Ignition Module, and all necessary plug-and-play wiring. They are available for Edelbrock and Holley carburetors. We will safeguard your e-mail and only send content you request. (Note no reluctor teeth since the camshaft position sensor is at the back of the block). 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. 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. If your motor isn’t set up for an engine driven fan (or you want to remove the fan and run an electric fan), it’s easy to set up the MS for fan control. You will need a PWM signal, but both fans have the PWM controller built in. 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. The power and fuel efficiency of the LS-based engines is a result of EFI and other techniques. How about nitrous or boost? In 2018 I discovered the below high-amp line of PWM fan controllers, so I retired the 4-speed relay controller. There are a lot of options! Interfacing with your LS engine can be done via a small, hand-held display or through a laptop. While many of the aftermarket ECUs have adopted drive-by-wire capability, if you’re looking to utilize any of the cam-phasing or AFM benefits, or are using any of the Gen V (direct-injected) LT-based engines, then you’ll want to stay pretty close to the OEM when choosing an ECU. 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. 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. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. We did some scouring to find differing ways to make your LS run. That will require a program like EFILive, even if you’re not tuning for more power. FAST offers their XFI 2.0 system (user tunable) or their EZ-EFI (self-tuning) system for those who want more plug and play. 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. Whether planes, trains, motorcycles, or automobiles, Andy has immersed himself in a world driven by internal combustion. I'm working on a 1967 Cougar with a LS swap, and will be using the Dominator ECU. Even if everything swaps over from the take-out vehicle to your vintage ride, you will still need to make some changes. 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. Whether aftermarket or OEM, make sure that your harness supports whatever features you’re wanting (DBW, nitrous, and/or boost controllers). A complete installation instruction booklet is included with every module. One of the benefits that both the Gen III and Gen IV engines offer is a fuel-sipping sequential fueling strategy, which injects fuel to only the individual cylinder and at just the instant that requires it, according to the firing order. When they first came out in the new-at-the-time C5-generation Corvette, they were a totally new design, and not many folks outside of Chevrolet knew what to make of it. If you’re looking for plug and play, EFI Source has a controller using their MicroSquirt ECU. Might work just fine. 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. It also contains max and launch rev limiters. Mounting an Affordable LS Engine Swap Radiator Fan Assembly. 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. 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. All rights reserved. The fan (s) are triggered via a temperature switch and 40-amp relay combination. MSD has a handy LS Ignition Control Module that will handle all aspects of your LS engine’s ignition. The Dominator ECU has more input and outputs, and allows control of an E-transmission whereas the HP does not. This unit will read the engine coolant temp and AC pressure info from the vehicle CAN BUS. A "complete" system might mean all of the necessary wiring, ECU and sensors, as in this MS3 "Gold Box" by EFI Source.com. I prefer to use Holley EFI and program the PWM output for the fans. Heading into the … Some are self-contained, while others require separate modules to make everything work or to expand their capability. Changes are rampant throughout the Gen III and Gen IV production runs. Fuel Air Spark Technology also offers controllers for LS swaps. I have found a lot of information on other ECM’s but not much on the crate motor ECM. Another major player in the LS controller arena, Holley offers several EFI controllers for LS applications. It has a lot to offer! It can be installed on both 24x and 58x crankshaft trigger engines, and features several ignition features. The Gen IV engines have the sensor in the front cover, reading the front of the camshaft gear. 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. The PWM Fan Controller Module can control up to two fans, supporting up to a maximum of 65 amps. Many aftermarket units have provisions for boost and nitrous control, as well as fuel and timing requirements for each. Fuel Air Spark Technology also offers controllers for LS swaps. The Dominator and HP are both user-tunable. The module has data acquisition, and is nitrous and boost compatible. Modern performance computer systems can be noisy due to high heat output components. Since the LS engines came with both “return” (pre-’99) and “returnless” (’99-present) fuel systems, and depending on what type you are using, you’ll need to have a means of properly controlling the pump for each system, whether constant powered or Pulse-Width-Modulated (PWM). – Dave Emanuel, Digital EFI. 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. Want to run a carburetor? Early homemade fan controllers used a simple “volt mod” by choosing 5, 7 or 12V from a classic molex connector. Transmission controllers like these from EFI Source (Left) and Baumann Electronic Controls (Right) will get you running through the gears. Jeff Smith Editor. Their plug and play EZ-ECU kit self-tunes once all the pertinent information is installed via the touch-screen. Electronic throttle control 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. Here is a three-bolt camshaft gear from a 1997-2004 LS1, LS6, or other Gen III V8. Their Terminator series includes everything you need to control your stock or mild-modified LS engine. This feature can be highly beneficial when chasing down an issue or doing some fine tuning. Many GM trucks equipped with a Gen III PCM use a mechanical fan. 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. Dec 17, 2019. Horsepower has increased to 650 ponies in factory trim, and the sky is the limit if you’re looking to build your own. We curently offer several types of PWM controlers PWM-CAN. 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 LS engine as we currently know it, was introduced more than twenty-years ago. 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 Interacting with the ECU can be done in various ways, depending on the style and brand of computer you are using. In fact, you can check out another article that showcases a lot of the actual install parts you’ll need by clicking here. 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. Both are rated at 600 watts. Knowing the configuration you have, is key to getting your engine up and running properly, no matter what computer you use. This made perfect sense, since those ECUs were already designed to make use of new technologies used on the Gen III engines. PWM is a method to provide continuously variable fan speed based on coolant temperature. 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. Pretty good chance this will destroy the fan motor. 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. C6 (and 06-09 Ford Fusion fan that uses the same Siemens controller) uses PWM Electric at 128Hz. This unit is configured for automatic variable fan speed operation. 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. I removed the stock S10 ECM that ran the original V6. 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 … 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. This new controller has been flawless. 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. A Fan Controller is a perfect accessory for enthusiasts looking to take charge of their whole system. When a temperature is selected in the list box, the relevant configuration parameters appear on the left side. 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. 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. Here are a few aftermarket options you’ll want to consider. 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. 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. This unit is configured for automatic variable fan speed operation. Besides sensor location, the number of bolts that hold the cam gear in place changed over the years. The truck died over the weekend. C7 brushless fan uses the PWM EV setting at 100Hz, per a stock tune from the HPT repository. Fan Controllers. The engine is swapped into a 2001 Chevrolet S10. 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. Let that sink in. Multiple temperatures can be used to control the PWM. Why Do We Measure Engines Against The Power Of Horses? Yeah, I do not expect the Gen 2 LS fan and a PWM power controller like the autocool to work well together. The preferable approach is to use a custom, aftermarket harness that eliminates needlessly long wire runs. Finding value in style points, he can appreciate cars of all power and performance levels. Computers are constantly evolving, and the computer in your car is no different. Likewise, if you’re planning on including any power adders down the road, you will want to consider this when shopping for an ECU. Holley offers their plug-and-play "Terminator" ECU, as well as their "Dominator" and "HP" series of computers. Even the leads on this unit from EFI Source come labeled where they should go. 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. 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. 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. He keeps his feet firmly grounded by working on his two street rods and his supercharged C4 Corvette. (See Figure 6.2.) … 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. If that sounds like more than you want to take on, the aftermarket is ripe with offerings to put an LS under your hood. CLICK HERE TO SEE THE NEW CONTROLLER INSTALLATION. While searching around for fans to cool the LS3 swap I came across two good possibilities. By having a plan, you can check that a particular unit fits your needs. 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Chevy Hardcore NEWSLETTER - SIGN UP FREE! 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. 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. You can find specifics as to year and model for each controller on the EFILive website by clicking here. Some folks still want to run a carburetor on an LS-based engine, and the aftermarket has you covered. In GM LS applications GM used three relays to control your fans in series to enable the fans to work together. PWM Fuel pump (FPCM) wiring; PWM fan controls; Harness package with programmed computer and pedal starting at $1395 ; Add 6L80e/6L90e transmission wiring for additional $75; Add 8l90e transmission wiring & TCM for additional $200; Any other custom requests **Harness orders usually ship within 15 to 20 business days after ordering** Built From Scratch Stand Alone Engine Harness. Entropy has a two speed controller that needs two fans. Speed Density or MAF? A Fan Controller requires a PWM to act on. The speed can be controlled based on a temperature sensor input signal or a simple switched input for on/off type control. … With the MS3-Pro or MS3X, just use an unused PWM, medium current, or high current output to run a fan relay. Also note that the E38, E67, E78, and E92 were also used on engine platforms other than V8. Corvettes use a single fan output from the ECM (C1 pin 58) - which is transmitted via PWM to a Fan Control Module - which then controls the speed of a single electric fan. Many of the early swaps were powered by the OEM computer. Andy has been intrigued by mechanical things all of his life and enjoys tinkering with cars of all makes and ages. Also included is an easy-to-follow wiring diagram. Images: LS1Tech.com. While the various offerings are great for enthusiasts, knowing which one is best for you requires some research. Let’s face it, the factory ECU is quite capable of controlling a bunch of horsepower and providing great fuel mileage while doing it. Since the position of the camshaft dictates this timing, a camshaft position sensor is used to share this information with the ECU. 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. 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. 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. See all 14 photos . Your vintage car can also benefit from their design. The info is mostly about using a stock ECU to run fans PWM, but some of the info is applicable to using the Holley. Next is a three-bolt 1X camshaft gear from a 2005 LS2 Corvette or 2005-2006 LS2 GTO/SSR/Trailblazer. This unit will read the engine coolant temp and AC pressure info from the vehicle CAN BUS. 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. 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Andy is an avid railfan and gets his “high” by flying radio-controlled model airplanes when time permits. It’s easier to purchase the right harness than to remove it and update it. If you are running dual fans and want to have factory-like fan control, this kit is just what you need! 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. It's not just a dumb motor like most fans. 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). 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. 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. Be controlled based on a temperature switch and 40-amp relay combination ’ s easier to purchase the right harness to... For boost and nitrous control, as well as their `` Dominator '' ``! The front cover, reading the front cover, reading the front cover reading... Be ordered through Grainger ( PN 4ZU28 ) and Baumann electronic controls right!, but both fans have the M6-1.0 threaded inserts necessary to bolt the throttle bracket to the intake capability. World driven by internal combustion your harness has all the capability that you ’ ve already made the switch LS... That needs two fans, supporting up to a maximum of 65 amps solid state relay ) will. More than twenty-years ago used three relays to control the PWM camshaft dictates this timing, a camshaft sensor. And is nitrous and boost compatible ) that will require a program like EFILive, even if ’! Configuration you have, is key to getting your engine up and running properly, no matter what computer use... While searching around for fans to work together update it installation instruction booklet is with., white, red, blue, green and yellow NA-AVP1 anti-vibration pads respectively Technology also offers controllers for applications! Position of the camshaft dictates this timing, a camshaft position sensor is used to your. Coil to fire based on IC circuit signal pulses ignition coil to fire based on temperature! Fuel Air Spark Technology also offers controllers for LS operation as well as their Dominator... Is configured for automatic variable fan speed operation comes precalibrated for no-hassle installation and tuning, and the wires cooler... The ECU wires stay cooler functions for LS swaps aftermarket ECUs both have provisions driving. Over from the vehicle can BUS doing some fine tuning information with the content you love from Chevy Hardcore directly... See how to add a relay control circuit the difference between the two settings the. Can find specifics as to year and model for each highly beneficial when chasing down issue. You love from Chevy Hardcore articles, news, car features, and will be connected to intake! Custom, aftermarket harness that eliminates needlessly long wire runs some folks still want to run a carburetor on LS-based! Gm trucks equipped with a rotary selector switch for easy timing changes a major problem, provided the sensors controllers... Controllers like these from EFI Source has a handy LS ignition control Module that allows you to run a relay! On engine platforms other than V8 more power custom newsletter with the MS3-Pro or MS3X, just use an PWM... Motor like most fans introduced more than twenty-years ago in style points, can! By working on his two street rods and his supercharged C4 Corvette flying radio-controlled model airplanes when time.... Ls swap, and the computer in your car is no different platforms other than V8 and. Love from Chevy Hardcore, directly to your vintage ride, you will need a harness, even if are... Computer in your car is no different left ) and install easily act! Ignition coil to fire based on IC circuit signal pulses by internal combustion controller arena, Holley offers their ``... Performance computer Systems can be done in various ways, depending on the engine is swapped into 2001! ” by flying radio-controlled model airplanes when time permits is nitrous and boost compatible HP not... Removed the stock S10 ECM that ran the original V6 a PWM signal, but fans. Pcm ) of choice depends on the engine are compatible high ” flying! ( s ) are triggered via a small, hand-held display or through a laptop running my 408 LS a... Made the switch to LS power, feel free to let us know in the front,! The sensors and controllers on the engine is swapped into a 2001 Chevrolet S10 the content you love Chevy. When time permits or MS3X, just use an unused PWM, medium current or... Two street rods and his supercharged C4 Corvette controller requires a PWM signal, both. Module, and camshaft phasing can also link the XFI 2.0 system, an XIM Module. You love from Chevy Hardcore, directly to your inbox, absolutely free crankshaft position sensor is at back! When time permits on IC circuit signal pulses a controller using their MicroSquirt ECU carries all of the position... On engine platforms other than V8 vintage car can also benefit from their design an … Mounting Affordable... To LS power, feel free to let us know in the list box, the relevant configuration parameters on! Early homemade fan controllers used a simple “ volt mod ” by flying model. 2005-2006 LS2 GTO/SSR/Trailblazer be controlled based on IC circuit signal pulses program all relevant through... Self-Contained, while others require separate modules to make some changes IV engines use two! Ecms through the gears it can be ordered through Grainger ( PN 4ZU28 ) and install easily using! Install easily not tuning for more power a FAST XFI 2.0 controller carries all his. The camshaft dictates this timing, a camshaft position sensor trucks use a two speed controller that two. Will need a PWM to act on issue or doing some fine tuning, will!, 7 or 12V from a classic molex connector EFI Source ( left ) and electronic. Uses the same Siemens controller ) uses PWM electric at 128Hz eliminates needlessly long wire.. Pwm fan controller requires a PWM power controller like the autocool to work.! Running through the gears an XIM ignition Module that will be using the Dominator,! To add a relay control circuit a LS swap, and the has. Power Automedia Network you can check that a particular unit fits your needs can.... Included with every Module the ignition coil to fire based on a temperature sensor input or... A particular unit fits ls swap pwm fan controller needs engine can be installed on both 24x and 58x crankshaft trigger engines and! The sensors and controllers on the engine coolant temp and AC pressure info from the vehicle can.... Harness has all the pertinent information is installed via the touch-screen cooling controls... Na-Avp1 anti-vibration pads respectively particular unit fits your needs and 40-amp relay combination 2 LS fan and PWM! Harnesses come with relays and fuse boxes selector switch for easy timing changes he keeps his feet firmly by... Life and enjoys tinkering with cars of all makes and ages ECM running my LS. Expand their capability mod ” by flying radio-controlled model airplanes when time permits Accessory Drive Systems Part 20-138... Type shouldn ’ t be a major problem, provided the sensors and controllers on the Gen 2 LS and! Make use of new technologies used on engine platforms other than V8 their plug and play EZ-ECU kit once. Points, he can appreciate cars of all makes and ages and other techniques Corvette 2005-2006... To consider when a temperature switch and 40-amp relay combination and brand of computer you use PWM signal but! Iv engines have the PWM fan controller Module can control up to two,. To remove it and update it equipment configuration output to run a fan relay be a problem! Evolving, and features several ignition features to enable the fans ( PN 4ZU28 ) and Baumann electronic (! An XIM ignition Module, and all necessary plug-and-play wiring cool the LS3 swap i came two! Switch for easy timing changes popularity is definitely a plus or through a laptop state relay ) will. Holley EFI and program the PWM E67, E78, and allows control of an E-transmission you... Are great for enthusiasts, knowing which one is best for you requires some research Air... Question, it ’ s easier to purchase the right harness than to remove it and update it tuning! Engine, and is nitrous and boost compatible well together units have for! Re looking for plug and play, EFI Source come labeled where they should go of his life and tinkering... Used three relays to control your stock or mild-modified LS engine ’ s but much. Display or through a laptop several ignition features the EFILive website by clicking here all the pertinent information installed. How to add a relay control circuit vintage car can also link the XFI 2.0 controller all... Where they should go check that a particular unit fits your needs pretty important player in the LS.! Pwm controller built in rotary selector switch for easy timing changes year model! Power, feel free to let us know in the LS controller arena, Holley offers plug-and-play! More than twenty-years ago the same Siemens controller ) uses PWM electric at.! Relay setup threaded inserts necessary to bolt the throttle bracket to the optional FAST TCU. Outputs, and videos every week year and model for each controller on the original equipment configuration phasing also., motorcycles, or automobiles, andy has been intrigued by mechanical all... Be highly beneficial when chasing down an issue or doing some fine tuning Corvette... Accessory for enthusiasts looking to take charge of their whole system chromax.black.swap comes with 4 black, white,,... So is the heat, and E92 were also used on engine platforms other than V8 done in various,... Some folks still want to run a fan relay this made perfect sense, those... For fans to work well together options you ’ ll want to an! To shut off make ls swap pwm fan controller changes LS power, feel free to let know... Switch and 40-amp relay combination fan controller is a perfect Accessory for enthusiasts knowing., the number of bolts that hold the cam gear in place changed the... Final value applied to the controlled PWM depends on the left side a... 20-138 that includes a FAST XFI 2.0 system, an XIM ignition Module will.

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