The EFI Tuners Guide Chapter 2 – Why should you convert to Electronic Ignition Control?

Updated September 2022 by Jerry Hoffmann Chapter 2: Why should you convert to Electronic Ignition Control?  And what is a timing table?   Timing Tables and Advance Curves in a modern electronic ignition system versus the old school distributor and mechanical/vacuum advance.   What’s better and why?  That is the question. I’m going to do you…

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…

Using the Tooth Logger and Composite Logger

The tooth logger and composite logger TunerStudio’s tooth logger and composite logger are powerful tools for troubleshooting problems with the MegaSquirt’s RPM input. These are both under the Diagnostic and High Speed Loggers menu. The tooth log records the time between individual pulses from the crankshaft position sensor. The composite log works similarly to a…

AXM-120 VR conditioner

SKU: AXM-120

The AXM-120 VR conditioner converts sine wave signals from a variable reluctor sensor into an easy to process square wave for your engine management or data logger.

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AXM-110 High Voltage Isolator

SKU: AXM-110

The AXM-110 high voltage isolator protects digital ECU inputs from high voltage spikes from solenoids or coils.

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MS3Pro Failsafe Features

MS3Pro Tuning Failsafes / Engine Safeties There are some failures you just can’t tune around – no ECU in the world will save you from a broken timing belt. But there are other failures an ECU can detect and either shut the engine down immediately to save the engine, or calculate a way to keep…

Loading Firmware

Loading the Firmware onto your DIYPNP This article will cover how to load firmware on your DIYPNP ECU, in a step-by-step manner. Step 1 — Download the firmware The first thing we’ll want to do is make sure we’ve downloaded the firmware version that we are planning to upload to the DIYPNP ECU. You can…

Ignition Control – DIYPNP v1.1

Ignition control is one of the more involved parts of the DIYPNP installation to set up, and may take a bit of trial and error if you do not have an application guide to cover what mods you need. This page will explain the ignition control, both the inputs and the outputs. We’ve made the…

Ignition Control – DIYPNP v1.5

Ignition control is one of the more involved parts of the DIYPNP installation to set up, and may take a bit of trial and error if you do not have an application guide to cover what mods you need. This page will explain the ignition control, both the inputs and the outputs. We’ve made the…

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…