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The EFI Tuners Guide Chapter 1 – Why should you convert to Electronic Fuel Injection?
Updated September 2022 by Jerry Hoffmann Chapter 1 – Why should you convert to Electronic Fuel Injection? “EFI is more user-friendly than carburetion and will help the more novice tuners. They can perfect the combo on the dyno, then the EFI will self-correct for atmospheric conditions. After a short learning curve, EFI actually levels the…
Read MoreQuick Tech Tip: MS3Pro, MSPNP, MegaSquirt and Windows XP
Products this applies to: MS3Pro, MSPNP, MicroSquirt, MegaSquirt 1/2/3 with TunerStudio on a Windows XP PC Problem: If you’re trying to connect to any of our MegaSquirt based products with Windows XP and you’re having trouble — here’s the skinny: The serial library was updated to support Mac OS M1 and ARM64 on Linux..…
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Fox Body Mustang: Mass Air Flow vs. Speed Density – Which is better?
Isn’t Speed Density inferior and MAF the best tuning solution on a Fox Body Mustang? Nearly 30 years after Ford stopped production, the Fox Body Mustang remains insanely popular at the race track. There’s probably no single chassis you see more of at the average drag race track, and there is good reason for that!…
Read MoreControlling Gauges with MS3
Updated 12/8/2020 So, you’re putting the MS3 in a car with ECU controlled gauges – or that engine you’ve swapped in doesn’t have the right sensors to run your existing gauges. In many cases, the MS3 is able to take over control of the gauges. Tachometer The MS3 has a dedicated tach output channel –…
Read MoreDIYPNP V1.5
The DIYPNP board lets you build your own plug and play engine management systems. The core of the DIYPNP kit is a MicroSquirt module that plugs into an expansion ‘mainboard’ with on board circuits for many features, including direct coil control, boost control, knock control, and several general purpose inputs and outputs. You assemble this…
Read MoreDIYPNP V1.1
The DIYPNP board lets you build your own plug and play engine management systems. The core of the DIYPNP kit is a MicroSquirt module that plugs into an expansion ‘mainboard’ with on board circuits for many features, including direct coil control, boost control, knock control, and several general purpose inputs and outputs. You assemble this…
Read MoreModifying a GM DIS ignition module for direct coil control
December 2009 Jeff Linfert from Atlantic Auto Works/Boles Motorsports in Melbourne, FL submitted a writeup on how to modify GM DIS coils packs to stop using the internal ignitors allowing you to fire the coils directly from your MegaSquirt ECU (via BIP373’s or possibly an external ignitor). He’s chosen to go this route because these…
Read MoreTuning Guide
Looking for the DIY EFI Tuners Guide? Say no more. Here it is! Tuning the VVTuner Standalone VVT Controller for Miatas. Once properly installed and communication has been established between the tuning laptop and VVTuner, the controls and use will be fairly straight-forward if you’ve even done any tuning before. When you…
Read MoreMS3Pro Module
The easy way to put the power of MS3Pro to work for your own board! Order MS3Pro Modules here The MS3Pro Module puts the MS3Pro circuitry on a board where we’ve replaced the AMPSEAL connectors with 0.100″ pin headers. This provides the core ‘brains’ needed to build MS3Pro capable ECU or Plug-N-Play ECU with all…
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…
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