Extra Inputs and Outputs – DIYPNP v1.1

There is much you can control with DIYPNP beyond fuel and ignition. Exactly what you can control will depend on the code loaded. This chart shows which points on the DIYPNP can be used for what function for current, beta, and proposed code variants. The DIYPNP also brings out the CANBUS for connection to (currently…

Extra Inputs and Outputs – DIYPNP v1.5

There’s a lot you can control with the DIYPNP beyond fuel and ignition. Exactly what you can control will depend on the code loaded. This chart shows which points on the DIYPNP can be used for what function for current, beta, and alpha code variants. The DIYPNP also brings out the CANBUS for connection to…

MegaSquirt Systems Compared

With all the different MegaSquirt options out there, choosing the right system can be a bit intimidating. The first decision you’ll need to make is the overall approach. Do you want to keep expenses as low as possible by soldering your own kit together? Or would you rather spend a bit more to save a…

MS3Pro 1st Gen Standalone ECU with 8′ Wiring Harness

SKU: MS3Pro-PKG1

DISCONTINUED – see details below

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MegaSquirt Carb to EFI Conversion: Part 3: MPFI Conversion

From TBI to Multi-Port EFI, with Ignition Control… Objective of this Article This article will focus on the process of converting our 1977 Chevy Nova test vehicle from the very functional and affordable GM TBI fuel injection hardware to a much more modern multi-port fuel injection (MPFI) design utilizing a Holley Stealth Ram MPFI Intake…

DIYPNP 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…

MegaSquirt Carb to EFI Conversion – Part 2: Ignition Control

From Carb to EFI, with Ignition Control, on just a fistful of dollars… Objective of this Article This article will walk you through the process of installing a MegaSquirt EFI system on a classic carb’d vehicle attempting to go the least expensive route possible using junkyard parts and DIY ingenuity.  We’ll be using an MegaSquirt-II…

Mustang 5.0 MS2 + PNP Adaptor Harness kit

Note: The adapter harness kit is discontinued. This page is for reference for people still using this harness. You’ve received the MS2 3.57 Mustang PNP kit.  What do you do now?   Step 1: Read, read read!! All instructions and documentation are available online.  We have a tech article written about the EEC-IV adapter, available…

Tuning 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…

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…