When you purchase a megasquirt kit, the components typically arrive individually packed, with part numbers. This version of the documentation applies to the megasquirt2 range of products which includes. If you are using coils with internal or external ignition modules, you do not need any bip373 drivers. Megasquirt works on a number of levels to inject the correct amount of fuel into your engine. Jimstim complete and fully functional megasquirt ii v3. Environmental chamber testing of the v3 board under full load indicates that there is at most a 12 degree c increase of temperature over ambient, worstcase component. Ini and are used by megatune and tunerstudio to interface with the ecu and interact with the user. If connected per the guide, you can connections will be on the following port on the db37 can high db37 pin 3 spr1 can low db37 pin 4 spr2.
Megasquirt2 setting up megasquirt efi fuel injection and. This is the present top of the range ecu in the traditional megasquirt range. Understanding how megasquirt controls the fuel injectors will help you to assemble, test, and tune your megasquirt for best performance. The latest version for windows, linux, and macintosh can be found at. The bip373 coil driver is sold separately and is only required for direct coil control. As a result, five additional connections are made at the db37 connector. The megasquirtmicrosquirt is a community supported project aimed at the experienced installer and knowledgeable enthusiast. This is offered to the community for free and allows you to connect to your megasquirt and change the calibration settings in the controller. Check the laws that apply in your locality to determine if using a megasquirt or microsquirt controller is legal for your application. With additional options it turns into a very powerful engine performance modifier. The megasquirt thread ive had a fair few people ask me questions about megasquirt ecu, so i thought id share some of my knowledge and experience. Electrically, the soldering works fine from either side, but as you get more components on the. Megasquirt 3 programmable efi engine management system with.
Download tunerstudioms for tuning and megalogviewer for datalog analysis from efi analytics website. Battery powered rs232 bluetooth adapter 9600 baud proven battery powered wireless serial connectivity for ms1 and other ecus without pin 9 power. The generation 2 mspnp and all new mspnp pro reaches out to more of your favorite vehicles. You should see about 5v at this pin with 5v applied to the input, within about 0. The ms330k kit includes everything you will need to build your megasquirt3. This project is based on the original open source megasquirtavr, which became the closed source commercial product known as vems.
The megasquirt microsquirt is a community supported project aimed at the experienced installer and knowledgeable enthusiast. Firmware updates are provided free of charge to megasquirt customers, see the megasquirt licenses summary sheet. Because of the added stepper iac, ignition control, and pwm idle capabilities of the megasquirtii, the v3. It seems that some folks like using the alternating scheme, dividing the cylinders into banks of 3, so id like to wire so i can switch to this while testing the 2 modes.
The bus bar couples the heat to the side rail of the megasquirt case which provides even more extensive heat dissipation. You can purchase a microsquirt efi controller where megasquirt products are sold click here for a list of approved vendors. Currently the only software fully supporting all versions of megasquirt 1, megasquirt 2 and megasquirt 3, tunerstudio will simplify your megasquirt experience. These components are installed on the silkscreen side of the pcb, and in most case it will be easiest to solder them from the other side of the board. In basic form it is capable of running both fuel and ignition. The megasquirt3 is a drop in daughter card that greatly expands the megasquirts functionality. The v3 system is capable of controlling two external ignition drivers or an edis ignition module. The first thing to note is that the circuit has been updated based on operational.
As a result, while you should verify that you have received all you ordered, it is not necessary to identify each item by color, markings, etc. Megasquirt first evolved from a do it yourself project to low cost alternative, to now with ms3 matching or. If you want to directly drive ignition coils we stock a range of suitable ignition drivers. Below is a high level summary of each edition, followed by a more detailed feature matrix. This complete ecu kit includes the megasquirtiii drop in daughter card that greatly expands the original megasquirt i or iis functionality. Ts tuning software and megalogviewer, if you wish to view graphically datalogs of your microsquirt controllers output channels. Introduction to the v3 main board assembly guide for the v3 main board getting questions answered. The first time assembler of average skill can count on spending 4 to 5 hours assembling and testing the megasquirt. So, to test this one, apply ground and 5v power to the input pin 24 of the db37 connector, vrin for a v3. Megasquirt ecus have not been sold by group buy since 2002. Not bad if you dont want to do a whole lot of work up front. For megasquirt 3 ms3, ms3x, ms3pro, mspnppro, ms3gold ecus and plugnplay ecus based on the ms3promodule.
Megasquirt is the premier doityourself efi controller. Map daddy 4 bar map sensor nib pwm iac control mod kit tip120 nib 3 additional bip373 coil driver kits nib tuning cable power transformer for jimstim. The first time assembler of average skill can count on spending 8 to 12 hours assembling and testing the megasquirt v3. I want out of the megasquirt business complete package for sale. Not 1 issue with it and ive even got the io extender over can to log shit like my th400 line pressure, fuel level, oil temps etc sent from my smg930f using tapatalk. Ive had an ms2 since they first came out with the v3.
All these similar sounding version numbers make it confusing. This controller is jampacked with features found on aftermarket engine controllers costing 10x as much, yet is easy to use and configure. Jul 11, 2002 megasquirt versions are divided mainly into the pcb version and the cpu version. Your engine will run smoother, with excellent driveablity as well as what youre really after, the ability to tune your engine for maximum horsepower. However there are changes to both the front and rear panel. Megasquirt 2 is a standalone engine management controller. Starting in july 2005, the v3 pcb was made available to use some of the advanced features of the. Megasquirt and microsquirt controllers are not for sale or use on pollution controlled vehicles. This is the latest top of the range megasquirt ecu the megasquirt 3 ms3. Included is a megasquirtiii engine management system wpcb3. Megasquirt2 setting up megasquirt efi fuel injection. Megasquirt fuel equation ignition input batch, bank, sequential injection and megasquirt.
Whether you are looking to gain indebt knowledge of efi by building a full featured ecu on your own, or simply want to save money building a proven reliable kit, from megasquirt origins the diy spirit is available in partial and complete kits. Megasquirt engine management systems triggerwheels. However, the setup and some of the functionality has changed and the differences are presented below. Instead, vendors resell the bowling and grippo offerings, and they keep stock current, so all items are normally available at all times. Megasquirt and microsquirt controllers are experimental devices intended for educational purposes. Updated 32816 latest tuningutility software revisions tunerstudioms is the software application that is used to tune your megasquirt efi controller. Megasquirt2 setting up megasquirt2 product range ms2extra 3. The frontpanel designer software lets you modify the files, get an exact quote, and send the order over the internet.
The driving force behind this was the use of an integrated heat sink bus. Megasquirt downloads firmware and software megasquirt efi. There is a full copy of the original website in the downloads section. To assemble your megasquirt efi controller, you will need. Tunerstudioms is the software application that is used to tune your megasquirt efi controller. Beginning with the mspnp2, we redesigned the core of the mspnp hardware, basing it off of the much faster megasquirt ii processor which will give you all of the control youve been looking for. Apply power to your v3 microsquirt controller with a relay and a good ground on the vehicle or on the bench if you are testing. I drove for 6 hours on a 300 mile round trip to collect my new megasquirt v3 from mtech. Subsequent testing has shown the vr input works well for hall effect and optical sensors as well. Assembly guide for megasquirt main board version v3. The megasquirtiii is a drop in daughter card that greatly expands the megasquirts functionality. Megalogviewer is the software application used to view datalogs.
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