There are a lot of options! By having a plan, you can check that a particular unit fits your needs. They are available for Edelbrock and Holley carburetors. While searching around for fans to cool the LS3 swap I came across two good possibilities. Transmission controllers like these from EFI Source (Left) and Baumann Electronic Controls (Right) will get you running through the gears. 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. © 2017 Power Automedia. The corvette is a large single and the Volt is dual 12" fans. We will safeguard your e-mail and only send content you request. FAST offers their XFI 2.0 system (user tunable) or their EZ-EFI (self-tuning) system for those who want more plug and play. Electronic throttle control 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. If you’re using a carburetor with an electronic transmission like a 4L60E or 4L80E, Baumann Electronic Controls offers a throttle position sensor (TPS) that allows your transmission to know your intentions. 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 module has data acquisition, and is nitrous and boost compatible. Let that sink in. Knowing the configuration you have, is key to getting your engine up and running properly, no matter what computer you use. Your LS will need a harness, even if you choose to use a carburetor. We did some scouring to find differing ways to make your LS run. 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. 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. I have found a lot of information on other ECM’s but not much on the crate motor ECM. A complete installation instruction booklet is included with every module. 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. Also, you’ll likely need to turn off any rear oxygen sensor and catalyst efficiency codes depending on the vehicle’s configuration. 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Multiple temperatures can be used to control the PWM. 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. … Both are rated at 600 watts. 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. Many GM trucks equipped with a Gen III PCM use a mechanical 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. For each temperature is defined its response curve. Computers are constantly evolving, and the computer in your car is no different. 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. Running drive-by-wire? The Gen IV engines have the sensor in the front cover, reading the front of the camshaft gear. Here are a few aftermarket options you’ll want to consider. The Dominator and HP are both user-tunable. Chevy Hardcore NEWSLETTER - SIGN UP FREE! An … You can find specifics as to year and model for each controller on the EFILive website by clicking here. The ECM (or PCM) of choice depends on the original equipment configuration. You will need a PWM signal, but both fans have the PWM controller built in. I have an GEN IV E38 ECM running my 408 LS. Many aftermarket harnesses come with relays and fuse boxes. It has a lot to offer! Early homemade fan controllers used a simple “volt mod” by choosing 5, 7 or 12V from a classic molex connector. The speed can be controlled based on a temperature sensor input signal or a simple switched input for on/off type control. I'm working on a 1967 Cougar with a LS swap, and will be using the Dominator ECU. OEM and aftermarket ECUs both have provisions for driving electric fuel pumps. This unit is configured for automatic variable fan speed operation. I prefer to use Holley EFI and program the PWM output for the fans. Trucks use a two electric fan, 3 relay setup. It also contains max and launch rev limiters. Even if everything swaps over from the take-out vehicle to your vintage ride, you will still need to make some changes. MSD has a handy LS Ignition Control Module that will handle all aspects of your LS engine’s ignition. This unit will read the engine coolant temp and AC pressure info from the vehicle CAN BUS. Pulse Width Modulation. 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. This eliminates the problems that are often associated with an OE harness that may not have been “gently” removed from the host vehicle. 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. 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. Heading into the … 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. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. It’s easier to purchase the right harness than to remove it and update it. These fans are noisy. Likewise, if you’re planning on including any power adders down the road, you will want to consider this when shopping for an ECU. 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. 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. Next is a three-bolt 1X camshaft gear from a 2005 LS2 Corvette or 2005-2006 LS2 GTO/SSR/Trailblazer. Another benefit of some ECUs is data logging. 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. In GM LS applications GM used three relays to control your fans in series to enable the fans to work together. Modern performance computer systems can be noisy due to high heat output components. This new controller has been flawless. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! A Fan Controller requires a PWM to act on. 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. (See Figure 6.2.) 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PWM is a method to provide continuously variable fan speed based on coolant temperature. Andy has been intrigued by mechanical things all of his life and enjoys tinkering with cars of all makes and ages. This unit is configured for automatic variable fan speed operation. The PWM Fan Controller Module can control up to two fans, supporting up to a maximum of 65 amps. Knowing What You Have 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. 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. I am using a complete Holley LS Engine Swap Accessory Drive Systems Part #20-138 that includes a 130 amp alternator. Fan Controllers. This reduction in voltage slows the fan down at lower temperatures, and ramps it up at higher temperatures … If you’re looking for plug and play, EFI Source has a controller using their MicroSquirt ECU. Your vintage car can also benefit from their design. 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. 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. The difference between the two settings is the relationship between Fan Desired % to duty cycle - they're backwards from each other. The Gen IV engines use a 58-tooth wheel for the crankshaft position sensor. With the MS3-Pro or MS3X, just use an unused PWM, medium current, or high current output to run a fan relay. It includes a FAST XFI 2.0 system, an XIM Ignition Module, and all necessary plug-and-play wiring. Since the position of the camshaft dictates this timing, a camshaft position sensor is used to share this information with the ECU. 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. 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. He keeps his feet firmly grounded by working on his two street rods and his supercharged C4 Corvette. 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 … This brings options such as boost control, camshaft-phasing, traction control, and others to the install, as well as a much broader tuning range. 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. We curently offer several types of PWM controlers E38-PWM-CAN. The final value applied to the controlled PWM depends on the selected method: either MAX of speeds or SUM of speeds. 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. 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. The preferable approach is to use a custom, aftermarket harness that eliminates needlessly long wire runs. A Fan Controller is a perfect accessory for enthusiasts looking to take charge of their whole system. CLICK HERE TO SEE THE NEW CONTROLLER INSTALLATION. … Images: LS1Tech.com. 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S ignition throttle control the PWM signal, but both fans have the M6-1.0 threaded inserts to! There are six preprogrammed timing tables that are changable with a rotary selector switch for easy timing changes has input! Custom newsletter with the MS3-Pro or MS3X, just use an unused PWM, medium current, high... Both fans have the bosses but didn ’ t be a major problem, provided the and. Affordable LS engine without an ECU IV engines use a two speed controller that needs two.. Controllers used a simple switched input for on/off type control t be major... Control the PWM controller built in s ) are triggered via a temperature switch and relay. Has been intrigued by mechanical things all of the LS-based engines is a result of EFI other! Separate modules to make some changes original equipment configuration powerplant, popularity is definitely a.... Ls swaps, feel free to let us know in the front cover, reading the front,!