The software which i created is composed by 2 parts. I did a search on the forum and found that the megasquirt system can be wired two channel style instead of all the injectors firing at once one channel style. Microsquirt has a flexible triggering input, it can be triggered from a distributor or a. The ms330k kit includes everything you will need to build your megasquirt3. This sounds obvious, but is so often over looked when deciding what fuel injection controller to buy.
This is something ive read about and isnt unexpected. Click here for full diypnp sequential module installation and configuration documentation. Allows for fully sequential injection on a 4 cylinder. This is the present top of the range ecu in the traditional megasquirt range. Many many high performance engines, either oem or built are not sequencial, but are variations of bank to. While it may seem difficult to understand, the articles above will help you break down each component that makes up an efi system. Sequential efi injects the total amount of fuel lbhr pw, once for each combustion cycle 4stroke engine. So in essence, the individual injectors work by themselves because they are fired individually. Jan 27, 2012 a sequential fuel injection is a type of multiport fuel injection system in which each injection valve will open just before the cylinder intake valve opens. Msii sequencer, an enhanced version of the microsquirt with sequential injection and individual cylinder fuel and spark advance trim in the planning stages. Product information, support forums, documentation and downloads for megasquirt and microsquirt ecu. The oems only utilized throttle body style injection for 9 years before transitioning to sequential port fuel injection for improved drivability and efficiency. It has 8 fuel and 8 logic spark outputs offering full sequential fuel and spark for hiz injectors and logic level coilonplug coils or highcurrent coils with suitable external ignition module.
I know the mk2 mx5s batch fire injectors on cranking to promote a quicker start. Firmware is the same thing as an operating system on your pc. It is an extremely capable and inexpensive diy ecu. Doityourself means that you save money by assembling it yourself with a few. In the simplest setup basic or distributor setup, you can have multi point fuel injection with just a crank sensor giving rpm and number of cylinders. Sequential multiport efi for a bodies only mopar forum.
However as the megamanual says, experimental means that you are responsible for sorting out some details of your fuel injection that are specific to your application. On the hard line at the back of the car near the fuel pump i just used another 14 inch compression fitting with a 38 inch nipple so i could run rubber line to it. Megasquirtii is an addon option for a standard megasquirt controller. Note that it covers a portion of the proto area and the high side driver circuit on. You will need to wire up the injectors using this pinout for 9092 and 93 federal models. It supports 1 coildistributor configuration, and the ford edis wastedspark system, among others. This can run sequential injection on a 4 cylinder, or semisequential on a 6 or 8.
Our folks have several options from basic to completely trick. Megalogviewer is the software application used to view datalogs. Can i do sequential injection with a megasquirt efi controller. If you need something and you cant locate it, feel free to contact me using the button in the support section above. It has 8 fuel and 8 logic spark outputs offering full sequential fuel and spark for hiz injectors and logic level coilonplug coils or highcurrent. Fueltech has been in the performance market since 2003. Its the operating software program that runs on the motorola cpu inside the megasquirt. It should be noted that the ve trim tables are not available when using megatune due to limitations within the software. Siquential vs batch injection fuel injection options ecu. A sequential will be limited to cam timing or crank timing. Megasquirt efi fuel injection and ignition control. Dont i need sequential injection to make big power. The latest version for windows, linux, and macintosh can be found at. The picture below shows the sequential injection configuration window.
Megasquirt support forum msextra support and discussion forum for megasquirt 1, 2, 3, microsquirtmodule, diypnp, mspnp2, ms3pro. To enable sequential injection, go to the basicload settings engine and sequential settings for v1. One person said it doesnt make that much of a difference in performance. Fuel injection is as simple or complicated as the tools you use to work with it. Project is based on megasquirt project, it uses same tuning tools megatunetunerstudio ms. Ignition controlmegasquirtii codehardware has the ability to control ignition full spark timing advance control, dwell control, etc. The use of tunerstudio is needed to have full access to the tables. Fitech fuel injection has been supplying automotive products, specifically fuel injection products, since 2012.
So even though the net amount of fuel injected is the same, sequential efi does it with half as many injector events, by injecting. You can run sequential fuel injection and coil on plug tuning just by knowing the 3 variables. Multiport injection systems fire the injectors in groups. Megasquirt first evolved from a do it yourself project to low cost alternative, to now with ms3 matching or exceeding the feature set of the best high end fuel injection controllers. With sequential injection, i have noticed the motor takes a few more turns than normal to start. Other multiport systems will fire all the injectors in groups no matter if the cylinder is.
Streamlined and simplified so you can spend your time riding, insteadread more. Ive had a fair few people ask me questions about megasquirt ecu, so i thought id share some of my knowledge and experience. Petrol engines can use gasoline direct injection, where the fuel is directly delivered into the combustion chamber, or indirect injection where the fuel is mixed with air before the intake. By design, port fuel injection creates a homogeneous charge the fuel air ratio is the same everywhere in the cylinder when the spark plug fires. Weve partnered with jbperf to develop this tiny module with two extra injector drivers. This can run sequential injection on a 4 cylinder, or semi sequential on a 6 or 8. The microsquirt is a compact megasquirt 2 based wire in ecu.
It attaches to the 10 pin breakout area to the right of. Its now all working brilliantly along with full sequential, on with honing the tune. Megasquirt ignition and timing problems page 2 megasquirt. Running 2 hall sensors with a modified ms2 v3 board, a 361 wheel and a basic cam trigger. Simplicity and easy to use design is what makes fueltech product line unique. Arduino software for the fuel injection controller.
You can purchase a microsquirt efi controller where megasquirt products are sold click here for a list of approved vendors. To learn more about megasquirt efi controller, go to the megasquirt faqand manual. Megasquirt sequential injection upgrade service services. Installs with a 10 pin shrouded header, included with the kit. In this post, you can find the downloadable version of the software to be flashed in the ecu. The megasquirt which only has fuel injection controllers, you still need to time your ignition spark, a much more difficult problem. This is basically a 95 hp engine with forged pistons, otto cam, 180hp turbocharger and 180hp distributor with safeguard ignition. Port fuel injection engines need to run near stoichiometric fuelair mixtures slightly lean is possible, in part because it is difficult to ignite very lean fuelair mixtures. Megasquirt support forum msextra sequential injection. Megasquirt efi is not what it was 10, 5 or even 2 years ago.
The board with the injection drivers is available at. Megasquirtii advanced electronic fuel injection computer. The ve table represents a correction factor from how much fuel the megasquirt would inject if you were running a stoichiometric 14. The sequential injection drop down list allows the selection of the sequential. Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector all diesel engines use fuel injection by design. Megasquirt is an affordable aftermarket fuel injection and ignition ecu. Allows for fully sequential injection on a 4 cylinder engine, semi sequential on a 6 or 8 cylinder.
Add two extra injector drivers to your diypnp with this new module and the latest ms2extra code. Which megasquirt engine management system is right for you. Because of the way this has grown and the vast number of options out there now, it can sometimes be a little overwhelming to determine which megasquirt efi system is the best choice for your project. Allows for fully sequential injection on a 4 cylinder engine, semisequential on a 6 or 8 cylinder. I then ran 38 fuel injection line from the 6 an that was on the fuel pump to the 6 an that was on the filter feed inlet. The mspnpmm9093 is capable of sequential injection. The company makes programmable engine management systems based on the triedandtrue megasquirt architecture that gives you the tools needed to dial in your engine for maximum power and performance. Preliminary model based features, such as manifold filling and residual gas models were added. Banktobank or paired efi injects half the amount of fuel lbhr pw, twice for each combustion cycle 4stroke engine. Port fuel injection engines need to run near stoichiometric fuel air mixtures slightly lean is possible, in part because it is difficult to ignite very lean fuel air mixtures. The software interface with megasquirt makes it self learning. The megasquirt3 is a drop in daughter card that greatly expands the megasquirts functionality. Install tunerstudio and megalogviewer software onto you computer. The v3 microsquirt efi controller is a fullyassembled surface mount technology smt version of the megasquirt fuel injection controller.
The assembly, testing, and installation of megasquirt is covered at those sites. When you change tuning paramaters, like adjusting fuel quantity and spark timing, youre not actually programming anything, you are just changing vaciables. Megasquirt efi fuel injection and ignition control ecu. To download the latest tunerstudio tuning software click on the link below. Technically, all efi systems are sequential in that once all cylinders have been injected, the sequence starts from the beginning again.
Support a wide range of engines and has many race features builtin. If you need to recalibrate your temperature sensors, such as after loading firmware. Diy autotune megasquirt engine management systems now. After creating the ecu electronic circuit for adjusting your motorcycle fuel injection timings, it is necessary to upload the software inside the arduino micro. If you have the patience and willingness to learn, you can do the tuning you used to pay someone else to do for you. Extended oddfire angle logic for 4, 6 and 8 cylinders, as well as 2 cylinders, in both wasted and fully sequential modes. Nanoefi affordable fuel injection for small engines. If you are running full sequential fuel and or coil on plug ignition. There is a difference in the way these systems operate. It just doesnt matter how good the fuel injection controller is if it has poor software for you to work with. Specialized in the manufacture of engine management systems, high quality units for your race car or street car.
On a typical cam profile of 200 degrees or so with. This part of the system, the tuning software is where you do most of your. For 2 cylinder sequential fuel injection you must set alternating injections. Its true that megasquirt electronic fuel injection has. Megasquirt 2 with sequential injection mod youtube. Proflo 4 efi systems feature a high performance edelbrock intake manifold with a 1,000 cfm throttle body, fuel rails and individual injectors for each cylinder. A better term would be timed, implying that the starting and finishing of the injection pulse is timed with the intake valve opening. It uses a more powerful processor with expanded inputs and outputs to allow sequential fuel and coilonplug control for up to eight cylinders.
We are leading providers of fuel systems and ultra ram sbc efi. All bundled software for the extraefi ecus can be found here. Multiport and sequential fuel injection systems both inject atomized fuel into a port just before the intake valve. I recommend you do not get too hung up on sequential after all, carburetors are not. Affordable fuel injection for small engines nanoefi is currently under development to bring lowcost efi to powersports riders of all types. The megasquirt has become a very popular ecu for the rx7. By design, port fuel injection creates a homogeneous charge the fuelair ratio is the same everywhere in the cylinder when the spark plug fires. Currently the only software fully supporting all versions of megasquirt 1, megasquirt 2 and megasquirt 3, tunerstudio will simplify your megasquirt experience. Imagine you have the perfect after market fuel injection controller for your car, it has every option you ever see yourself needing, this engine management system can control a 16 cylinder sequential injection engine with coil on. Megasquirt 3 programmable efi engine management system. This sampling is now separate from injection start angle. I machined a throttle body that fits between the turbocharger and the original air filter housing. Advantages of direct vs sequential fuel injection motor. There are two fuel injector outputs so the system is batchfired which is perfect for many applications where sequential fuel is not a requirement.
Fail safe airfuel gauge an engine life saver as technology has changed over the years with the combustion motor, there has been no bigger change than the use of electronic fuel injection efi. Click burn, and turn the mspnp off and back on again. Jul 22, 2018 running 2 hall sensors with a modified ms2 v3 board, a 361 wheel and a basic cam trigger. I have been driving a turbocharged corvair with fuel injection controlled by a megasquirt controller for about a year. If you are unsure of what you need, start with a cd for ms1, ms2 or ms3.