Carburetor to megasquirt ? Oct 4, 2011 · I have a new MS install on a Datsun 280zx turbo engine that starts and runs ok, with good AFRs under boost, but idle and low speeds are pig rich ~10. Nov 9, 2003 · More work on a carb car than one that already has fuel injection, but parts are all out there for a 240. In fact, most injectors are a similar size physically, though there tends to be more variation in throttle body injection injectors than in port Mar 8, 2013 · I'm going to outline my megasquirt install for everyone, make it easy for the DIY crowd. Real time tuning and data logging with a laptop connection. Mar 28, 2012 · Map63, With the exception of the Microsquirt version of Megasquirt, (Side note: if the MS people would ever finish the Megasquirt Sequencer, which also is sealed and thus designed for underhood mounting, you could use the factory harness and simply change the plugs on the ends) the ECM needs to mounted inside the car. Relatively few people are willing to take on the learning curve (and greater capabilities) that come with true standalone systems. Since I already have EFI with the Sniper, I already have things like a high pressure fuel system, CTS, etc. MegaSquirt EFI has grown from the original solder your own kits into a line with ECUs to fit a wide variety of needs and budgets. Disconnect the ignition coils from the harness before Troubleshooting and Debugging Tips for Megasquirt Schematic Megasquirt is a popular open-source EFI controller that allows enthusiasts to tune and control their engine’s fuel injection system. Feb 6, 2010 · Megasquirt EFI fuel injection and ignition control. Can someone please confirm my plan is complete before I start soldering and ordering? The sensor I plan to use is the fully threaded hall effect from diyautotune. The MAP, MAT, IAC, and TPS are built into the Sniper, so I need to recreate 1. I think the big sticking point where I am confused is the Mar 3, 2009 · Though I'd break this out on a new thread. It ran OK with a Holley 4bbl TBI and ford Duraspark distributor with timing locked and megasquirt firing the coil. 1 Overview The Megasquirt engine control unit (ECU) receives signals from the various input sensors and then controls the fuel and spark outputs to run the engine. 3 days ago · V3 Main Board, MegaSquirt-II™ EFI Controller. . g. gas tank, fuel lines, fuel pump, intake, throttle setup etc Enhanced Street Performance, Inc. Jan 11, 2022 · Since the Sniper has most everything built in, this is pretty much like going from carburetor to fuel injection, minus the high pressure fuel system, which is already done. These include things like cold start pulse widths and acceleration enrichments. From the beginning, it has had a problem with backfiring through the intake below 2500 rpm. wordpress web site: Printable Copy in WORD at the bottom of this thread or to just read, this is the initial ECU setup instructions to get MegaSquirt up and running on your car if you are using MS. Therefore, pulse width is: PW = REQ_FUEL * VE * MAP * E + accel + Injector_open_time The "E" above is the multiplied result of all enrichments, like warm-up, after-start, barometer and air temperature correction, closed-loop Carb-To-EFI Conversion: One Step at a Time – 1977 Chevy Nova with SBC 350 Carb-To-EFI Part 1: GM TBI Fuel Only Carb-To-EFI Part 2: Ignition Control Carb-To-EFI Part 3: MultiPort Fuel Injection Twin turbos (coming soon) Which MegaSquirt Engine Management System is right for you? Confused by all the options out there? Start here to determine which Engine Control Unit fits your needs. Apr 11, 2018 · Megasquirt carb-to-efi kits come with MS2 boards. With the turbo I have crossed out the Fast EZ-EFI kit and have mixed on to looking at the Megasquirt kit. It also has a lean stumble if I blip the throttle too quickly. For engines that already have fuel injection installed, you will likely be able to re-use many of the existing sensors and output hardware. The most fundamental parameters are in the 12×12 volumetric efficiency (VE) table (s), the 12×12 air/fuel ratio (AFR) table (s), and 1. Jul 30, 2018 · Learn me fuel only megasquirt tuningIf you have your autotune working, then just start driving it around, pausing occasionally to burn the current buckets to flash. Like most '02 owners with a need for more, this was the setup I had always aspired to. I haven't used the new popular Tuner Studio, but in the old MegaTune, it would tune up to some percent of the existing bucket, then go no further. Most important is that you have fuel injectors that are the correct size in terms of flow rating. Official site for MS1/Extra, MS2/Extra and Megasquirt-3. Walbro pum For under $150, I could build my own fully-programmable EFI computer and adapt it to almost any injector and intake setup - a tweaker's dream come true! Feb 22, 2018 · To anyone that is interested out there, I wanted to post up some pictures and info about doing Megasquirt on a 2F. Personally i love carbs, but on these motors in particular, do they respond better to modified injection, ITBs, or carbs? Would love the opinions. Apr 20, 2005 · The ports in a carb are designed to be restrictive in order to increase the air velocity and better atomize the fuel spraying out of the jets, so a carb may not flow as well as a TB, but this can be overcome by a larger carb or hogging out the ports and resizing the butterflies. com Most of the information you need is on a video series i did about this build on my youtube channel. PMO is the original manufacturer of 911 carburetor conversions and we are the only company in the world dedicated exclusively to providing such conversions. Designed and manufactured in Santa Monica, California, the PMO triple throat carburetor improves considerably over the original The stock Bowling & Grippo firmware loaded onto Megasquirt CPUs from the factory will run the rotary, but it will run fuel only and without a lot of the features we depend on (such as staged injection). MS3-Pro based MSPNP takes plug and play engine management to the next level! Easy to Use and Install! Base map pre-loaded to help your engine start first time. Apr 9, 2007 · A good intake and carb is the edelbrock rpm air gap, (now made for the magnum), and a Holley truck Avenger carb, I went with a 670 but they also make a 570 for "stock" engines. It even comes with the Megasquirt HEI mod kit that allows you to control an HEI. Has anyone figured out the custom settings on tunerstudio gauges to tell you the current blend %. Sep 26, 2023 · This will include having to modify the in tank fuel pump set up, run larger fuel lines, build an intake manifold from the ground up, and of course, megasquirt it all. Conveniently, it can also be used as the input to have Megasquirt drive an electric radiator fan directly, which is really nice. 8 to 11. These use a Ford TFI ignition system that the MegaSquirt-I or II can easily take control of and fire, giving you full control of your fuel and ignition curves. Apr 20, 2005 · OK, the carb is "sucking" fuel in, whereas TBI is "injecting" fuel in -- so there's bound to be a small efficiency increase no matter how you look at it. , non- diesel engines. Be sure to check that you are using the manual that applies to your product! Nov 13, 2016 · Fuel-only MicrosquirtWhat kind of ignition is currently on there? Megasquirt was originally developed as a fuel-only system. ESP has the knowledge and experience to tune your vehicle for optimum power and drivablilty while maintaining the necessary safety margins to ensure your vehicle lives a long and happy life. If you prefer to see if a MegaSquirt® EFI controller might work on your vehicle before proceeding, you might check: the DIY Autotune site, the MegaSquirt® Success forums, or Google for other references. Mail From: Ed McGuirk < (email redacted)> Although I have placed an order for the second group buy on the Megasquirt Fuel Injection System, I do not intend to put it on the TR6. Nov 11, 2015 · Re: D-jet conversion. 62 Misc Junkyard environmental fees $2. 0 liter cars. 80 Carter P5001 TBI External Fuel Pump, Summit Racing… Jun 2, 2024 · This is a tutorial on how to add a fuel level gauge with the Microsquirt platform for whomever may need it. Also don't forget to consider your full fuel system, if you are suffering from a drop in fuel pressure Jun 19, 2002 · This read-only message was archived from a public mail list. We proudly design and manufacture all of our in-house brands — AMP EFI, MaxSpark Ignition, and Digital Dash EFI — at our facility in Gainesville, Georgia, USA. I would be interested to hear of any experiences in doing this and how one sourced the EFI components (other than buying a full EFI kit). I am going to put it on my supercharged MR2 because my increased boost is a little outside the stock fuel programming. Naturally aspirated, supercharged, turbo’d or nitrous! Jun 28, 2021 · MegaSquirt has quite a bit of OpenSource style support and places like DIYAutoTune. Sep 26, 2023 · I'm going to build a typical form intake manifold with runners and a plenum and a single throttle body mounted in the end of the plenum. But i don't think you're going pick up a ton power with a Honda intake on stock motor. Especially when upgrading to standalone fuel management, like the MS3Pro EVO+ or MS3Pro Mini or The is an introduction to tuning with a programmable electronic fuel injection ECU. The traditional Megasquirt range originated as fully DIY products, while today fullly off-the-shelf units are available to suit professional race teams and tuners. 0 board. 2: Megasquirt System Hardware 2. How To Install Megasquirt ! I show how to install twin walbro pumps into a thirdgen camaro gas tank. Install MegaSquirt or MSPNP on Fox Body & SN95 Mustangs. LONG POSTA few basics In the land of Megasquirt (MS) there are 2 separate software development projects. What do you think is a reasonable ballpark figure to have a reputable BMW tuner convert a carburetor car to Megasquirt EFI? Learn how to use a PerTronix Ignitor as a timing trigger, lock out your distributor, and configure ECU settings for precise spark control. If you are using the flex fuel settings, the ECU would need to be set at the baseline ethanol High Performance TOP GUN Performance Tuning gets it done! From carb’d muscle cars and hot rods to late-model cars and trucks with factory EFI or standalone engine management systems such as FAST, MegaSquirt, Holley EFI and Edelbrock Pro-Flo. Input: Fill in all of the values below (use your best estimate if you don't have measured numbers, but remember your table will only be as good as your estimates, and sometimes quite a bit worse). I continue to develop parts that will help you on your journey with EFI. 1966 T-code Coupe. When you have TunerStudio displaying lambda, it takes the AFR reading out of the Megasquirt and divides it by the AFR entered in the general settings. 99 Fuel System $244. These controllers have the ability to control a variety of ignitions which have 1 coil and a mechanical distributor to distribute spark (such as the GM 7-pin HEI module This kit includes the following 1 Megasquirt 3x v3. Jan 20, 2025 · Megasquirt needs a vacuum referenced fuel pressure regulator. The Setting up, TunerStudio and MegaLogViewer Guides are general and apply to all Megasquirt-3 products. This can be used by the Microsquirt to automatically adjust fuel and spark to allow for the change in fuel. But modifying the engine means re-tuning your fuel and spmore This is a tool for establishing a baseline VE table for your tuning efforts with MegaSquirt. These constants are either calculated, or based on the configuration of your system. Holley seems to at least have the customer service piece due to how large they are and the fact that they sell and support a very LARGE range of products. In the tuning software, the upper REQ_FUEL box is the amount per cylinder, as noted above. I use to run a B21A carb setup in my '65 122 that I installed a B21F engine in, but upgraded to megasquirt. Chevy/GM TPI & TBI small‑block setup with MegaSquirt: wiring for 7/8‑pin HEI, MS3+MS3X and MS2 options, IAC control, trigger‑offset calibration. There are now off-the-shelf parts that Aug 13, 2025 · The BitzRacing CIS to EFI kit includes everything that is required to fully convert to Electronic Fuel Injection (EFI) from the existing Bosch CIS system, except for the EFI injectors and Fuel Pressure Regulator (FPR). It’s popular in racing cars Understanding how MegaSquirt controls the fuel injectors will help you to assemble, test, and tune your MegaSquirt for best performance. e. There isnt an EFI manifold that I can pick-n-pull. while retaining Jun 13, 2010 · So I'm starting to get a list together of all the items I'll need to fuel inject my bike. I would like to convert it to the easiest and cheapest EFI system without going standalone. View and Download MegaSquirt MS3-PRO user manual online. This will do timing and fuel control along with some additional outputs. 8 16v. MegaSquirt works on a number of levels to inject the correct This is the index to the latest web-based version of the manual for the MegaSquirt ® EFI Controllers. This startup tuning guide covers cranking pulsewidth, afterstart enrichment, and warmup advance basics. Tuning acceleration enrichment in MegaSquirt helps eliminate bogs and hesitation. With roots dating back to the early 2000s, it has been developed by not just the inventors, but an entire community of users to become what it is today: a truly reliable, lower cost alternative to expensive and… Official UK Megasquirt site. 35 TBI Adapter Plate, Summit Racing Part# TRD-2210, $42. This manual is updated frequently, and contains the latest information on assembling, testing, troubleshooting, installing, and tuning your MegaSquirt ® EFI Controller from Bowling and Grippo. Jun 5, 2022 · The Holley system is a carburetor-based system, while the Megasquirt system is an injection-based system. MegaSquirt is a general-purpose aftermarket electronic fuel injection (EFI) controller designed to be used with a wide range of spark-ignition internal combustion engines (i. MegaSquirt-II (including MicroSquirt) is the first aftermarket EFI controller with direct flex-fuel support for experimental only testing of ethanol fuels and blends. I'm looking to add on on my 95. However, even with your old injectors, the VE Table don't mean you need bigger injectors. Input trigger and output parameters are fully user configurable so that many other Jun 23, 2007 · But 1st "What is Meagsquirt" ? Heres an exellent explaination courtesy of Simon R of X-Eng : "Megasquirt is effectively a DIY fuel injection system. It is the REQ_FUEL number on top, but scaled by your selected injection mode (number of squirts and alternate/simultaneous), this can be ignored as it is the upper number thats the important The Megasquirt product range offers from the 'cheap and cheerful' batch fire fuel-only in full DIY assembly to full sequential fuel and spark on a V8 with a pre-assembled ECU. This index and the manual is for Bowling & Grippo code and hardware only. Do that for a while and you will get a Apr 25, 2004 · MegaSquirt is a stand alone user-programmable control (via laptop) for spark and fuel and can be adapted to any spark controlled engine with the right choice of components. Even with the 16v head Oct 23, 2011 · What MegaSquirt® does is take this downloaded REQ_FUEL number and then multiply (or adds) values that scale this number, to come up with the injected pulse width [PW]. Nov 9, 2003 · Megasquirt! More work on a carb car than one that already has fuel injection, but parts are all out there for a 240. 2. I chose the Megasquirt 3x, as it provides sequential fuel and spark, the fact that I can tune it myself, and the fact that tunerstudio has a 'self-tune' setting that will adjust the fuel tables to match Jan 2, 2010 · Is upgrading from carb to fuel injection worth it for a daily driver? What are the benefits ? Right now im looking at two differnt systems. It is designed to work in Internet Explorer 6. There's talk of a future firmware update handling it the other way around. The VE table represents a correction factor from how much fuel the MegaSquirt would inject if you were running a stoichiometric (14. com For those running table blend instead of multiplier on flex fuel. It is written specifically for MegaSquirt ® or MegaSquirt-II™ EFI users who are new to tuning engine with a programmable controller, and tries to make very few assumptions about what you already know. A Megasquirt wiring diagram is a visual representation of how to connect the various components of a Megasquirt fuel injection system. I initially went with a cheap E-BAY regulator, but the savings is NOT worth the problems. Experimental means that YOU will be responsible for sorting out some details of your fuel injection that are Apr 1, 2017 · Yeah, if you want to have an electronic carb, use the single injection point (TBI) wet manifold setup; this will work with discrete pulses because all the cylinders "see" the same injector (s) in a relatively symmetrical way regardless of pulse timing as long as you use 4 pulses per cycle. Find product details, UK suppliers and tuners for Megasquirt and Microsquirt fuel injection systems. DIYAutoTuneAXM Module 1 Classic MegaSquirt 19 Mod Kit 1 Assembled MS 3 Unassembled MS Kit 1 Connector/Pigtail 4 Harness 8 Ignition Module/Driver 1 Power Distribution 5 Tuning Cable 2 Wiring Bundles 6 View and Download MegaSquirt MS3 hardware manual online. The Hardware manuals focus in detail on just one product to keep the specifics clear. Of course, the ultimate carb setup has traditionally been a pair of sidedraught carbs, emulating the "ti" spec. Then there is the MSExtra code development. Trust MAPerformance for your ECU modification needs For the best selection of traditional Megasquirt products for precise fuel control, there's no better place to buy than at MAPerformance. 7L V6 swap. MEGASQUIRT ECU: INITIAL SETUP So once you’ve either Tuning involves setting all the parameters that your MicroSquirt® controller uses to be optimal for your non-pollution controlled engine, injection components, and driving style. I have subsequently replaced it with the one in my parts list and love it. We carry the highest-quality selection of standalone Megasquirt and microsquirt (ECU plug-n-play systems) on the internet. Nov 3, 2016 · I'd like to take my B20 back to some form of EFI after some experience with a rally this weekend. Instead, you can make MegaSquirt target a lean air-fuel ratio while cruising, and go to a rich air-fuel ratio under boost – and have the oxygen sensor help you target both. It shows the wiring connections for the ECU, sensors, ignition system, and injectors, helping enthusiasts and technicians install and troubleshoot their Megasquirt system. I'm ready to clean up my induction system the stock layout could use Injectors and Fuel System In order to make your MegaSquirt work on a vehicle, you will need the following additional fuel system items to suit your installation: Feb 22, 2018 · MegaSquirt Carb to EFI Conversion - Part 1: TBI Fuel Only - DIYAutoTune. It would not keep a setting for pressure. Below in Figure 1 I took the liberty to attach the diagram that I used to attach my sending unit to the microsquirt ECU. Oct 24, 2024 · Re: Msd tach output to megasquirt ms2 3. Do you have any recommendations or extra bits that may be looked over e. It does it when I open the throttle as if it doesn't have The Flex fuel (or fuel composition) sensor detects the percentage of ethanol within the fuel passing through it. I'm researching on moving away from the TBI setup to MPFI and using a megasquirt controller. ly/3BII1Yl You like to modify your vehicles. Mar 22, 2022 · I myself use MegaSquirt to control fuel/spark and whatever else I wantbut when you get to a standalone like Megasquirtor Haltech, or Motec, or AEM, the learning curve is steeper. May 4, 2020 · This is a pretty big project for me and I want to make sure I do it the right way. Includes brand new Plug and Play Harness, ECU, base tune, and more. The KE-Jet has to supply some kind of tach signal to the current EFI ECU, so you Oct 30, 2017 · The actual target in the MS3 is in AFR, at least in current firmware. It supports 1 coil/distributor configuration, and the Ford EDIS 'wasted-spark' system, among others. offers full tuning services for both carbureted and fuel injected vehicles. Ohms law then pops up and says that for this many volts / that much resistance = this much current is flowing. Perfect your engine tuning with precision and ease! Apr 11, 2018 · Megasquirt carb-to-efi kits come with MS2 boards. Welcome to our Tuning How-To Guides – your comprehensive resource for mastering the TunerStudio software with our AMP Universal & Plug & Play ECUs. Many MegaSquirters have expressed an interest in having MegaSquirt ® control flexible fuel vehicles, typically E85/gasoline engines. Most guys run it for fuel and spark now, but it's completely capable of running fuel-only. 0, though it may work with other browsers. stand alone engine management system. They both have their own use cases, so it’s up to you which one you would like to choose. I really noticed the difference! I had to get some parts fabricated because 122s never had fuel injection (i. All of the embedded microprocessor code executed by MegaSquirt-I has been hand-written directly in assembler, not compiled from a high-level language, such as C. Since 2004, DIYAutoTune. Be sure to check that you are using the manual that applies to your product! Oct 22, 2012 · For any device (gauge, megasquirt, etc) which you might connect a sensor to, that device's physical input has a certain electrical resistance. Just a tach signal. The EzJection throttle body injection and the massflo systems multipoint injection. com has been the trusted source for standalone engine management systems, EFI wiring solutions, and MegaSquirt ECU tuning support. Dec 28, 2021 · Hi all, I have a 1985 Ford Bronco with a built up 300 inline 6. x. Aug 30, 2010 · I'm not going to be doing this conversion myself. MS3-PRO automobile accessories pdf manual download. I'm trying to figure out which MegaSquirt controller I need, as well as all of the accompanying wiring, connectors and parts. Jun 15, 2012 · Did you change your Req Fuel to compensate for the new injector size? MS3 can go over 255. It was developed as an 'open source' project where lots of people contribute to the hardware and software. 3 How to use the manuals The documentation for the Megasquirt-2 product family is split across a number of manuals. Nov 23, 2019 · Anyone running an electronic fuel pressure sensor with your megasquirt. ECU Pinout Connections for 1996/1997 Miata using Megasquirt in Parallel Configuration Assumes: idle mod @ IAC2B (PWM output on MS pin #30), manual transmission, relay/fan control mod @ IAC2A (output on MS pin #29 wideband O2 sensor separate from Miata harness, AIT sensor separate from Miata harness, launch control mod with clutch switch @ IAC1B In order to properly install your MegaSquirt ® EFI Controller, you need to select and install fuel system components appropriate for your engine. Whether you have a Type 1 Beetle, Type 4 Bus, Type 3 Squareback, 914 or a Thing get your kit today. I am looking at different technologies but would like something that is minimal fuss. May 5, 2007 · MegaSquirt is a stand alone user-programmable control (via laptop) for spark and fuel and can be adapted to any spark controlled engine with the right choice of components. Stand-alone system, piggy-back and carburetor tuning are performed by our in-house tuners The Dub Shop is dedicated to tailoring the best fuel injection and ignition packages for air cooled Volkswagen's built for the street, offroad or racing. I decided not Before attempting to start your MegaSquirt equipped engine, you will need to set a number of parameters that determine how MegaSquirt injects fuel. You'd need a wideband to properly tune the carb anyway, so you were already going to add one to the exhaust, right? Please note: this site is primarily for those wanting to learn the theory, implementation and tuning of electronic fuel injection systems for internal combustion engines. 3 SOHC from a suzuki swift and a megasquirt ECU. Then your MegaSquirt-II™ (or MicroSquirt®) controller will adjust the amount of fuel injected based on the AFR table until the sensor reports a voltage corresponding to the air/fuel ratio in the appropriate cell of the AFR table (for wide band) or switch point (for narrow band). x TunerStudio v3. The Hardware guides focus in detail on just one product to keep the specifics clear. Any help or suggestions appreciated. 57 ECU (Features full sequential injection for high impedance injectors, and sequential spark (with LS2 coil add-on) 1 Custom Plug and Play Engine Room Wiring Harness with Brand New Electrical Connectors and New Eaton Weatherproof RTMR Fuse and Relay Box, and labeled connections Giugiaro Fuel Injection Conversion Electronic Fuel Injection Conversion of 912 Low Compression Engine by Andy Hills During the rebuild of my 1981 S3 in 2003 a number of modifications were made to the engine including new cams, flowed head, tubular exhaust manifold etc and the jetting of the original Delortto DHLA 45 carbs no longer matched the fuelling requirement of the engine. It is therefore necessary to load the Megasquirt and Spark Extra (MSnSE) firmware. Whether you're setting up your base map, fine-tuning ignition and fuel tables, configuring idle control, or diving into advanced features like boost control, tracti Feb 21, 2005 · has anyone every done a fuel injection on an 8N? if so where would you find a manifold to fit?,. There is no substantial aftermarket support for this engine. The result is that the MegaSquirt ® EFI Controller can provide real-time fuel calculations up to 16000 RPM! As well, the assembly code for Jeff Linfert gets into it! MegaSquirt EFI Tuning: From start up/base maps to dyno ready race car, here is what you need to know! Convert your Datsun Z Car to a modern EFI system with our Fully Plug and Play Megasquirt 2 kit. Jan 17, 2010 · This guide will not cover that, as I came from K-Jet to Megasquirt, and had basically no fuel injection or electronic ignition wiring under the hood. Jan 22, 2022 · In a similar way, Quarterhorse uses a J3 port, a very good system, but for 200 bucks you can multiplex your EECIV pinouts to the critical Malfunction indicator light parts, and have the MegaSquirt take over fuel delivery, ignition and boost. The one I have is the user configurable 3. Walbro pum To provide improved engine performance, better fuel economy, and reduced exhaust emissions, MegaSquirt-II™ or MicroSquirt controllers can control spark advance (timing), and this advance is fully programmable by the user. Covers CAS tach input wiring, ECU mods, spark output options, dwell settings, and TunerStudio. MegaSquirtPNP Plug-N-Play Standalone Engine Management Systems by DIYAutoTune. Watch your duty cycle instead, you can always adjust the req fuel if you just need to lower the VE table values. It currently has a 2bbl 2300 style Holley Sniper EFI. Jun 23, 2011 · I currently am running the stock CIS-E fuel management on my 1. by elaw » Wed Nov 11, 2015 2:02 pm If you do stick with the D-jet injectors and plumbing, be prepared to have a strange-looking fuel (VE) table. 6l cars are a little different. Feb 8, 2021 · I'm huge fan of fuel injection. When he acquired the truck it had not been working for about 10 years. EFI would have better cold starting and idle quality though I put in a 1. I've got the old D-jet setup complete on my workbench. Jan 14, 2020 · I am (nut and bolt) restoring a TR6 and am thinking of changing from the current Stromberg carb setup (ex USA car) to an EFI setip. Microv3 ver: ms2 3. Dec 23, 2014 · We show you how to do a homemade TBI conversion for $904 on Leonard Slebodnik’s 1977 Corvette after his Quadrajet carburetor became gummed up. do I need to upgrade my fuel tank, fuel pump, etc. Feb 4, 2013 · Sadly, if you "fake" the req_fuel to compensate for other tune issues then a lot of parameters are going to have to be changed when you change injector flow-rate (or engine displacement). In order for your MegaSquirt ® EFI Controller to determine the amount of fuel to inject, you will need several functioning sensors: coolant (CTS) and intake air temperature sensors (IAT), a oxygen sensor (EGO) is highly recommended, either narrow-band or wide-band, and threaded bung, Megasquirt EFI fuel injection and ignition control. The best bits of design get incorporated Nov 14, 2017 · Dodge D250 converted to fuel injection using Megasquirt MS2, Holley throttle body, Walbro fuel pump, Edelbrock intake, 24lb injectorsThanks Ditch your original factory EFI system in favor of a modern EFI system, featuring multi-coil spark ignition (LS2 ignition coils), completely tuneable fuel system, comes with a base tune pre-loaded and ready to go! Nov 14, 2013 · This was copied from the Bartuneengineering. My cousin recently started building a 1974 FJ40 that had previously been converted to a carb'd V8. Thanks. Covers ECU mods, TFI ignition wiring, idle control, and TunerStudio setup How to build a high horsepower fuel system!!! How To Install Megasquirt ! I show how to install twin walbro pumps into a thirdgen camaro gas tank. Aug 30, 2011 · Finally, if you are looking to really dig into the nuts and bolts of automotive fuel injection, take a look at the Megasquirt fuel injection computer system that allows you to finely tune things 3 days ago · V3 Main Board, MegaSquirt-II™ EFI Controller. For Megasquirt engine management solutions, check out DIYAutoTune: https://bit. I have a pair of throttle bodies from an RT an a pair of fuel injectors, I had an O2 sensor bung welded into my header crossover, and all i need now is the Megasquirt parts, board, and case. Product information, support forums, documentation and downloads for Megasquirt and Microsquirt ECU. • If you're not doing a B230 conversion at the same time like I did, you'll need a B230 or custom intake manifold and a method of plugging the stock k-jet injectors holes. It’s a carburetor-based system that uses a vacuum advance mechanism as its primary method of fuel delivery. While the Megasquirt schematic provides a detailed diagram of the system, sometimes issues can arise during installation or operation. 3. 3 How to use the manuals The documentation for the Megasquirt-3 product family is split across a number of manuals. Personally, I used the “SpareADC” input because I was not using it for anything else. The Setting up, TunerStudio and MegaLogViewer Guides are general and apply to all Megasquirt-2 products. Basica Nov 16, 2025 · Fuel control to 1 µsec (100 times more resolution than MegaSquirt-I), Ignition control MegaSquirt-II code/hardware has the ability to control ignition (full spark timing advance control, dwell control, etc). Learn how to adjust AE settings for crisp throttle response under load. I can't seem to change anything that effects the idle AFR, even setting bi A suitable 'straight-though' serial cable to connect the laptop to MegaSquirt ® EFI Controller, and working serial communications hardware on the MegaSquirt ® board, A functional processor, Appropriate code loaded on the processor, Nov 10, 2005 · We can easily take control of the stock fuel and ignition systems on the 86-95 5. Thanks for choosing Fuel Injector Clinic injectors for your MegaSquirt tuned vehicle Follow the links below to access MegaSquirt data for the listed injectors MegaSquirt Data for our 365cc/min Injector. For the MegaSquirt Oct 30, 2025 · The automotive electric fuel pump is at the core of every modern fuel injection system. Aug 13, 2011 · Fuel Injection, Carburetion & Fuel System - Intro to megasquirt - The MegaSquirt? family of EFI controllers (including MS-I?, MS-II?, MicroSquirt?, and the MS-II Sequencer?) is a series of experimental Do-It-Yourself universal programmable electronic fuel injection controllers for spark ignition, liquid fuelled The MegaSquirt ® family of EFI controllers (including MS-I™, MS-II™, MicroSquirt ®, and the MS-II Sequencer™) is a series of experimental Do-It-Yourself universal programmable electronic fuel injection controllers for spark ignition, liquid fuelled internal combustion engines. 09 Junkyard TBI unit from 1992 GMC 2500 Van with 350 Motor $22. Unlike modern systems, the fuel pressure regulator on a D-jet system is not referenced to manifold pressure. 0 liter spiders? Is it better to modify the existing fuel injection, or go with ITBs. Now the questions, do I need the sensor that was attached to one of the throttle bodies? I imagine it was a Throttle Body Injection (TBI) EFI Hardware $76. This article will walk you through the process of installing a MegaSquirt EFI system on a classic carb’d vehicle attempting to go the least expensive route possible using junkyard parts and DIY ingenuity. ) MegaSquirt was designed by Bruce Bowling and Al Grippo in 2001. 7:1) air to fuel ratio, and the engine actually pulled in a volume of air equal to its own displacement every engine cycle at the temperature and pressure that MegaSquirt measures. 1. Datsun Z Car Plug and Play MS3Pro Mini Megasquirt 3 Pro Mini Engine Management System | 70-83 Datsun 240z | 260z | 280z | 280zx | Fairlady Z Megasquirt is a feature packed, fuel and ignition controller (and more!) for nearly any non-pollution controlled vehicle. MS3 control systems pdf manual download. 57 fuel only by 1968Coronet » Fri Oct 25, 2024 7:25 pm I've decided to reverse course and go with a 36-1 crank trigger setup from ar engineering. Mar 24, 2017 · The additional coolant sensor is critical for fuel injection, as it is the main input that adjust how much fuel is injected during a cold start and then during warmup until the car is up to operating temperature. I'm going to build a typical form intake manifold with runners and a plenum and a single throttle body mounted in the end of the plenum. The two systems have their advantages and disadvantages. The basic MS code that is written by Bowling and Grippo the 2 guys that designed the MS. Working directly in assembler produces the most efficient and fastest-executing code possible. Nov 5, 2009 · hi guys! Just a thought, is it possible to convert an old D-Jet set-up to modern fuel injection system like Megasquirt, Accel,etc. Discover expert tips for MS3Pro and MS2 Megasquirt wideband installation on DIYAutoTune. Oct 29, 2014 · Does anyone have experience converting fuel injection to Webber carbs specifically on the 2. Download the latest tuning software, firmware updates, and documentation for your MegaSquirt ECU or Transmission Controller. It's going to have 4 injector bungs mounted into the runners as close to the ports as I can get them. Last year after sitting for three years, I dropped in a freshly rebuilt 302. No piggybacks here, just full control. x First comes the wiring. not that I would do it but someone said to me just Feb 12, 2019 · Anyone here successfully running an aftermarket EFI System, Megasquirt, Holley Hp, Sniper, Atomic, FITech? The Dub Shop is dedicated to tailoring the best fuel injection and ignition packages for air cooled Volkswagen's built for the street, offroad or racing. The BitzRacing CIS to EFI kit uses the MegaSquirt ECU for fuel management customized for the BitzRacing EFI kit. So drive some, stop, flash, drive some more. But is that small increase worth all the trouble it takes to get a fuel injection system set up? Nov 14, 2025 · PMO Carburetors have been the choice for Porsche 911 performance enthusiasts since being introduced in 1997. Oct 29, 2021 · Add a fuel pump relay, wire the high current side to ignition power on, wire the coil to the Micro. com to provide support for products they've sold. The lower REQ_FUEL box is the value down loaded to MegaSquirt. To enable this, select Lambda AFR Settings from the More Settings menu, and turn on the 8 x 8 AFR target table for VE Table 1. Boom, you have EFI, and with less work than swapping intakes and adding and plumbing a carb. Megasquirt-3 series. Feb 12, 2017 · I put a ms2 v3 on my 85 Mercury Capri back in 2009. The 96-98 4. What is your setup? Learn how to MegaSquirt your Mazda Miata for full standalone fuel and ignition control. These include the injector open time, Req_Fuel, injector control criteria, PWM criteria, EGO characteristics, etc. The conversion can be seperated into two phases (fuel and spark) and each phase can be done completely independently of the other while maintaining vehicle driveability. Dial in reliable cold and hot starts with MegaSquirt. 13 Included injectors and fuel hard lines Matching Air Cleaner $8. You don't need a 36-1 wheel or any of that unless you're running ignition. I think the stock carb really did a pretty good job managing AFR, and in the end all the air still has to go through the same head. MegaManual Index -- The Ideal Gas Law -- Injectors -- REQ_FUEL MegaSquirt Fuel Equation -- Ignition Input Batch, Bank, Sequential Injection and MegaSquirt How MegaSquirt ® EFI Controllers Work Understanding how MegaSquirt controls the fuel injectors will help you to assemble, test, and tune your MegaSquirt for best performance. nerfgs prejbn ysmtry vox ntfey qnsa zsxos trm jrorn qvnlf qko pbxyy lcb gpm kiylt