Search Results for: hall
DIYPNP Main Board Assembly
First, you will want to decide which components you will be using, as not all installations need all components. Here is a list of what parts go with what circuit. Note that U3 is used for multiple circuits, and must be installed for any of the circuits to work. There are a couple parts that…
Read MoreMain Board Assembly
First, you will want to decide which components you will be using, as not all installations need all components. Here is a list of what parts go with what circuit. Note that U3 is used for multiple circuits, and must be installed for any of the circuits to work. There are a couple parts that…
Read MoreWill the MegaSquirt work with my stock ignition system?
Last Updated: 2/4/2015 Table of Contents Fuel-Only Implementations Fuel and Spark Control: Standard Distributor Based Ignition Systems Fuel and Spark Control: Other Distributor Based Ignition Systems Going Distributorless: Stock Vehicles with the Ford EDIS or GM DIS Ignition systems Going Distributor-less: Wasted Spark and Coil On Plug (COP) Systems Going Distributorless: Wasted Spark Conversion the…
Read MoreThere are several ‘optional’ or ‘choice required’ steps during assembly of the PCBv3 MegaSquirt units, how are the DIYAutoTune ECU’s configured?
MegaSquirt-I EMS’s are setup by default as a fuel only EFI controller running though they are running the current stable release of the MS1/Extra firmware. These are configured to be triggered from the (-) negative terminal of the coil by default. It is fairly easy to convert them to be triggered from a Hall/Optical/Points trigger…
Read MoreInside the V3.57 Board
The V3.57 board is mostly a surface-mount version of the V3.0, designed for automated assembly. However, it has a few interesting features added to it to make it easier to configure for extra inputs and outputs. The most obvious feature is the extra DB15 connector next to the DB9 serial port. Three of the pins…
Read MoreHow to MegaSquirt Your Volvo 240, 740, or 940
If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Overview The Volvo 240 and its relatives have a well balanced rear wheel drive chassis and a solidly built engine, but when you start adding boost the stock engine management system can have problems accounting for the extra air…
Read MoreHow to MegaSquirt Your Vehicle With Vintage Mopar Ignitions
MegaSquirt for vintage Mopar ignitions If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Engines covered: Pre-TBI LA series (small block) V8, all B and RB (big block) V8, and all slant six engines when equipped with electronic distributor Types of Mopar ignition systems Chrysler offered these engines…
Read MoreHow to MegaSquirt Your Mazda Miata
Please read the ‘disclaimer’ at the top of the parent page here. This documentation is for using the MS1/Extra firmware version 029v or later, MS2/Extra 3.3.1 or later, and MS3 1.2.4 and later. Plug and Play Solution available here. How to MegaSquirt your Mazda Miata Application: 1990-1997 Mazda Miata, or later models by…
Read MoreUPGRADE: MicroSQUIRT to MS3Pro Mini
You may have noticed that the new MS3Pro Mini connector bears a striking resemblance to the connector on your older Microsquirt unit. This similarity is not coincidental; it’s intentional. You’re correct in thinking that you can repin your current harness connector, replace the Microsquirt, and install the MS3Pro Mini as an upgrade. Here’s a guide…
Read MoreUsing DIYAutoTune.com’s Revised Pattern Nissan Optical Trigger Discs
Converting your Nissan distributor to a more MegaSquirt friendly design Many Nissans used a distributor or CAS with a set of four or six inner slits and 360 outer slits. Current MS3 firmware supports the SR20DET, RB series, and VG30DE/DETT trigger wheels, but MS1 and MS2 are only able to use this type of trigger…
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