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MegaSquirt 3

The MegaSquirt 3 (MS3) is ready to support a wide variety of engines out of the box, with the ability to control anything with one to eight cylinders with sequential fuel injection and sequential ‘coil on plug’ ignition, a V12 with semi-sequential fuel and wasted spark ignition, or a four rotor Wankel with separate leading and trailing ignition outputs. Over 50 different ignition modes are supported, from mainstream applications like the GM LS1, Ford Zetec, Bosch Motronic, and Chrysler Gen III Hemis to unusual modes like Renix Jeeps and the Suzuki Swift GTI. The software includes many ‘race’ type features, two stages of progressive nitrous, water injection, closed loop boost control etc. Vehicle speed sensing, logging of EGT (with external hardware.)

Showing 1–16 of 23 results

  • MS330-K Kit with MapDaddy4

    $462.00

    MegaSquirt-III Engine Management System w/PCB3.0 - Unassembled Kit Part # MS330-K_m4 This MS330-K_BL kit includes everything you will need to build your MegaSquirt-3. The genuine B&G partial kit with the V3.0 PCB, all components in the standard V3....

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  • MegaSquirt-III with PCB V3.0 Kit

    $405.00

    Included is a MegaSquirt-III Engine Management System w/PCB3.0 - Unassembled Kit Part # MS330-K This MS330-K_BL kit includes everything you will need to build your MegaSquirt-3. The genuine B&G partial kit with V3.0 PCB, everything in the standard ...

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  • 8′ MegaSquirt Wiring Harness for MS3X

    $86.00

    MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d...

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  • 8′ MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready)

    $83.00

    MegaSquirt Wiring Harness - 8 Feet Long We've completely redesigned our wire harness to help you get your fuel injection installation right the first time with several new features to help make your installation as easy and reliable as possible: ...

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  • USB to Serial Adapter -TunerStudio

    $22.49

    This USB to Serial Adapter has been tested and works properly with all versions of TunerStudio.  We highly recommend this adapter is used if your tuning PC/laptop doesn't have a DB9 Serial connector.  Or you can use another adapter with a genuine FTDI c...

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  • MegaSquirt-III Daughterboard Kit

    $230.00

    Upgrading your MS1 or MS2 to the latest MS3 has never been easier with this processor replacement! We've packaged the MS3 daughter board with 2 of the 40 pin sockets, so it will match up with our cases (required for upgrade) which have cutouts for the SD ...

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  • MegaSquirt-III MS3X Expansion Card & Connector Kit

    $110.49

    Put this small circuit board in your MegaSquirt-III to unlock its full potential! This board installs in the MS3 case with no soldering; just connect it with the included ribbon cables. Install the MS3X board to add this whole list of inputs and outputs t...

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  • MegaSquirt Relay Cable

    $89.00

    High Quality 4' Relay Board cable for connecting your MegaSquirt ECU to your Relay Board. Works with MS1, MS2, or MS3, all standard main boards (includes not just the IAC and ignition pins - it also has the spare pins on 3 through 6). It has a shielded...

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  • JimStimX Expansion Board – Unassembled

    $47.00

    The regular JimStim can test the main board on your MS3. But what if you'd like to see the inputs and outputs on the MS3X expansion card in action, too? Now it's easy - just add a JimStimX! Use the three pull-off jumpers on the JimStim to connect the 5 vo...

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  • MegaSquirt 3X Wiring Bundle – 8′ long

    $51.00

    MegaSquirt MS3X Wiring Bundle - Length = 8' 8' of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! Use with MS3X Expansion board or other sequential device Just ...

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  • MegaSquirt 3X Wiring Bundle – 23″

    $19.00

    MegaSquirt MS3X Wiring Bundle - Length = 23" ~23" of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! Use with MS3X Expansion board or other sequential device Just...

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  • MegaSquirt-III V3.0 Black Anodized Case

    $42.00

    Included is a new, taller case for your MegaSquirt-III. This one fits V3.0 boards and includes cutouts for the SD card, USB port, and MS3X expansion card. This is the case included with our MS3 kits, and is required if you are upgrading from an MS1 or MS...

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  • MegaSquirt-III V3.57 Black Anodized Case

    $42.00

    Included is a new, taller case for your MegaSquirt-III. This one fits V3.57 boards and includes cutouts for the SD card, USB port, and MS3X expansion card. This is the case you need if you are upgrading from an MS1 or MS2.

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  • MS3 Realtime Clock Module

    $68.00

    Add a real time clock to give your MS3's SD card logs a time/date stamp. This module solders to the MS3X board on the included pin headers. Requires a lithium battery, not included due to shipping restrictions. It's compatible with the following batteries...

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  • MS3 Knock Module Kit

    $89.00

    This add on board solders on top of the MS3 daughter board and gives you two channels of knock input that the MS3 can use to retard spark. Using this module will give you a much more sophisticated knock detection circuit than on any previous MegaSquirt kn...

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  • DB15 Pigtail Harness

    $21.00

    DB15 pigtail harness. Used for optional outputs on the expansion connector on V3.57 boards and for the V1.2 version of the MSPNP Gen 2 (the version with the red main board).

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