Currently have it set to on with a 2 second delay so it got rid of the harsh transition when coming off throttle, however ive not adjusted the fuel table in overrun and its chucking shitloads of fuel in, i have no idea how much i should need. Megasquirt as far as i know doesnt have this facility. Im going to post this question on the megasquirt forums but i thought i would post it here as well to see if anyone had any thoughts. Overrun fuel cut enable overrun fuel cut enablesdisable overrun fuel cut feature. Software updates physical products needed to run software. Also make sure the rev limiter, ae, launch control and any other advanced feature is completely off for now.
The faster the throttle is snapped open, the more pulse width is added to the injectors. Full readouts watch the major data elements as tunerstudio uses them with a gauge cluster and histogram to show just what your engine is doing. Megasquirt3 setting up megasquirt efi fuel injection and. Drz400ssm fuel injection conversion completed page. If tunerstudio does not automatically find the correct.
Jan 12, 2016 steves megasquirttunerstudio help thread. Added teamviewer quick support download for os x removed verbiage on. This download page is for beta testing versions of tunerstudio ms, for the current stable release, go to. What is a good overrun fuel cut delay time to eliminate these spikes. The latest version for windows, linux, and macintosh can be found at portcheck a handy utility used to diagnose and troubleshoot communication issues and firmware revisions. Authority limits allow you to limit the amount of change tunerstudio can make in a single session to prevent damage if something goes wrong. I quickly show them and talk through what they mean. Thanks for documenting your thought process here and expanding on what tunerstudio intends for these settings. Full details of each step are provided within the body of the manual. I had a quick question about how to set this up and a few of the settings. The latter is probably the most common configuration, allowing the power to drop off just before redline, and then fuel cut at whatever redline you choose.
Overrun fuel cut and declaration fuel cut off for megasquirt and. Tunerstudio home tunerstudioms installation download this is where the latest tunerstudioms can always be found. Imo you should really go over the fuel part of the ms manual again. If i set it back to how it was kicking in near immediately, is this bad for. All told after a couple hours of driving there was little left to do to improve it, without a dyno to hand at least. This is the latest tuning software for megasquirt products and has a. This is the delay between overrun conditions being met throttle closed, rpm over about 1800 rpm and the injectors shutting off. You choose whether you want fuel cut, or spark retard at a certain rpm followed by fuel cut a couple hundred rpm higher, or any number of possible configurations. The resume table looks like an idle table basically ect on x axis, and rpm values in the tables so at operating ect injectors will only resume. Quickstart guide in brief this list is provided as the bare essentials that you must read. May 24, 2018 tuner studio series video 2 this video covers general understanding of fuel injector flow data charts and the basic settings under the tuner studio fuel control section. You can set the rev limiter anywhere you want it, and choose either spark cut or fuel cut based rev. Added new option for soft fuel cut rev limit for sequential mode. Overrun fuel shutoff delay hello all, i have a question regarding an engine management system of d2 v8.
Megasquirt support forum msextra support and discussion forum for megasquirt 1, 2, 3, microsquirtmodule, diypnp, mspnp2, ms3pro. It looks like your injector pw is going all the way to 0 are you sure overrun fuel cut is turned off. Once enabled, it stays active until rpm download the latest version of image tuner for windows. Tunerstudio ms serial numbers, cracks and keygens are presented here.
Project is based on megasquirt project, it uses same tuning tools megatune tunerstudio ms. A rev limiter works by either retarding the timing or cutting the fuel to the motors cylinders. Egt input, automatic transmission controller, additional sensors. Canbus connector allows interconnection of other megasquirtcompatible devices for additional functions. Flex fuel with megasquirt controller many megasquirters have expressed an interest in having megasquirt control flexible fuel vehicles, typically e85gasoline engines. Huge miss under low to no engine load ms2, hei, sbc. Download tunerstudio ms serial number generator, crack or patch. The weather is good enough today for a ride and im going to try and get some video. When enabled, the injectors are turned off at engine braking to prevent fuel in. Download the latest version of image tuner for windows.
The latest ms1extra, ms2extra, and ms3 codes are available from the download page. Just set it to 100% meaning no fuel cut in the acceleration wizard. Jun 23, 2007 with the ms1 in place i installed tunerstudio and the troubles began, it started with some resets and ended with a firmware mismatch. The megasquirt pnp takes over the functions the stock ecu provides fuel. From the log i estimated my gear shift to be around 0. Click below to download the demo version of the dynamic spectrum tuner. If you open tunerstudio ms without a project, it will prompt you to create one. I have found out that when accelarating or reving the engine to e. Most of the sensors and sensor wires in a fuel injection system are pretty conspicuous. Take a look at your wideband when you hear the popping and you will see it is lean.
The retardation to the timing due to overrun fuel cut. If theyre twice as big as stock for instance, youll want to cut the pw. If you experience something unexpected please report it. This project will define the code that is loaded to your microsquirt controller, your settings, your can connections, and your tunerstudio ms projectspecific preferences. Megasquirt is an affordable, standalone, mappable engine management system that can control the fuel and ignition on virtually any liquid fueled sparkignition engine, naturally. Since i dont have all configuration ini files for all possible megasquirt combinations, some files wont work. There is a box for highest rpm to reengage fuel and one for lowest rpm to reengage fuel. Most of them are pretty selfexplanatory and these are a good starting point for a stock port engine. You must have the ve table dialed in correctly in all areas, including overrun and low. If tunerstudio is able to detect your ecu definition automatically, just click accept and skip to step 5. Select and assemble your fuel and ignition systems.
The amount of fuel to cut is already set in the accel deccl mode dialog but these parameters specify exactly when that fuel is cut. The fella that designed and programmes tuner studio views that forum a lot and hes very quick and good with responses if you cannot find an answer there using the search function first ive had a few chats with him in the past. Onboard peak and hold drivers support both high and low impedance injectors no external ballast resistor is needed. Steves megasquirttunerstudio help thread mustang forums. Tunerstudio ms download or if you are having trouble with the current beta to download previous beta releases. When youre this far away from the right settings, i think the best way to approach it is to start eliminating variables. Download tunerstudio ms serial number generator, crack or. These are a set of rpm thresholds that are used by multiple counters in determining when fuel cut will happens during overrun mode. Apr 06, 2015 fuel gauge working in tuner studio alex. Modified can passthrough mode to request up to 80 bytes of data and write up to 65k with one serial message, fixed bug in flex fuel. On a soft cut limiter the timing is retarded to the point that the motor can no longer rev higher.
Tunerstudio ms lite reference megasquirt3 product range ms3 1. To access the basic acceleration enrichment settings in tunerstudio, click the. Megasquirtii including microsquirt is the first aftermarket efi controller with direct flexfuel support for experimental only testing of ethanol fuels and blends. If overrun fuel cut fails to engage, check the throttle closed tps. The most frequent installer filename for the application is. Megasquirt tuning acceleration enrichment loterie romande.
Introducing tunerstudio, easier efi tuning using the most advanced tuning application available. Megasquirt tricks for tuning engine states so i thought id go ahead and. Since the acceleration enrichment is stacked on top of the fuel the ecu is commanding. Generally speaking futher up and right should have increasing fuel. If tunerstudio does not have a definition file, it will prompt you to download one. Before you try to start your engine for the first time, its fairly obvious that key sensor inputs e. If tunerstudio does not have a definition file, it will prompt you to download one from. My current, default, ae settings are in the screen shot below. But one key input isnt external and therefore isnt wired at all, and thus is easy to forget or. Getting started tuning your m52s52 with romraider tjabo work in progress introduction. Tricks for tuning engine states miata turbo forum boost cars. At its core, the mspnp mm9697 uses a megasquirti with the smd board 3 overrun fuel cut cuts off the injectors when you are decelerating, we are most comfortably familiar with as tuning an engine without your. The next steps are the usual road tune processes, changing the timing table to a proven safe na map, changing the ve and afr targets to suit and working in accel enrichment and dialling in overrun fuel cut.
There are 2 lean spikes whenever i shift as shown above. The current release here is stable and broadly tested. The over run settings describe when fuel should be cut during deceleration. How to use dashboard designer in tunerstudio basic duration. I have a little trouble with it cause most the stuff. Just think, in the 1980s top fuel dragsters made 2500 hp using a 500 cubic inch 8. Megasquirt support forum msextra over run fuel cut set. Romraider is a great little free engine tuning program, developed originally by a community of subaru guys. To work with your microsquirt controller, you need to set up a project in tunerstudioms. You can set up overrun fuel cut, in the fuel settings during high. Youll find this by going to the fuel settings menu overrun fuel cut. Jun 16, 2016 tunerstudio ms ultra tuning and dyno views.
Updates are issued periodically and new results might be added for this applications from our community. Most tuners will refer to rev limiters in two ways. Are you searching for a fast and effective way to convert. Huge miss under low to no engine load ms2, hei, sbc efi.
If i understand the over run fuel cut code section correctly, several permissives have to be met first. A short delay makes the vehicle jerky at light throttle. If you havent already done so, install tuner studio onto your laptop, downloadable from here this is also on the cd i provide, but that may need updating, which is done automatically. Open up tunerstudio and connect to your ecu to download all the settings. While the dst program will run on virtually any pc running windows 95 or later, we recommend the following minimum pc specifications.
May 17, 2012 it is running closed loop ego at the moment. Mar 29, 2020 download now the serial number for tunerstudio 1. Suggest using the search of the megasquirt forum within the section that is dedicated to tuner studio. The lt5 engine uses a set of secondary runners, butterflies, and injectors to change the dynamics of the engine at certain rpm thresholds. Popping on deceleration is eliminated and fuel cut on overrun increases engine braking i am currently getting 50 55 mpg averagely. Clicking fuel settings overrun fuel cut displays the following.
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