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Converting the pattern on a 7X GM trigger wheel to its composite log.
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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…

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DIYBOB

Do It Yourself Break Out Board The DIYBOB breakout boards from DIYAutoTune.com that allows you to easily build professional looking adapter harnesses to connect the engine management of your choice to a wide variety of cars.  The DIYBOB includes an OEM style connector, circuit board, and an anodized aluminum case to finish it with a…

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MegaSquirt EFI Dyno Tuning Help

A proper tune, on a proper dyno, can make a world of difference…. We’re all about you learning to tune your car yourself, and for fuel tuning that’s usually very attainable with a good wideband a fair amount of time.  However for the DIYer, ignition tuning is usually either guesswork, or blind trust in a…

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How to MegaSquirt Your V6 Powered Ford Probe GT or Mazda MX-6/MX-3

Using the stock distributor, wasted spark, or coil on plug Looking for the easiest way to do this? We now have a MSPNP option, currently available for 1993-1995 models. This ECU comes fully assembled and ready to plug into the stock wiring. See this link for how to install a MSPNP in these cars. To…

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DIYAutoTune and AMPEFI Engine Management Systems

Welcome!! DIYAutoTune is THE source for high performance Standalone Engine Management Systems for maximum performance on the race track, off road park, etc. Whether you drag race, road race, autocross, rally or drift, we’ve got you covered with the best engine management in the business. We get it– you need the capability to tune your…

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classic corvette on the dyno preparing to make a pull
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Dyno Tuning Time? What to Know Before You Go

Time to head out for a day of dyno tuning? What you need to know before hitting the rollers ensuring a great outcome for you and your tuner!

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DD-EFI Digital Dash SVT Screenshot
Blog Article

PNP Digital-Dash for Megasquirt by DD-EFI

Modernizing with a PNP DD-EFI Digital Dash for your Megasquirt ECU In most cases people decide to upgrade to a Megasquirt, MSPNP, or MS3Pro ECU due to either exceeding the capabilities or needing additional features that the stock system could not. The dash has the same issues, with all those inaccurate or broken stock clusters,…

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EFI Tuner Guide Chapter 5B Featured Image - EFI Fuel Tanks and EFI Fuel Pumps
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The EFI Tuners Guide Chapter 5B -The EFI Fuel System: Fuel Tanks and Pumps

Understanding EFI Fuel Systems and Fuel Pump needs for your project. How to convert your carb’d fuel tank over for use with Electronic Fuel Injection on a Carb-To-EFI project, and what to consider when upping the power output of your factory EFI engine.

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EFI Tuners Guide - Laptop Tuning 1967 Camaro Drag Car with MS3Pro using USB-2920 USB to RS232 Adapter 1
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The EFI Tuners Guide – Learn How EFI works!

A practical guide on how to understand and tune your engine/car with Electronic Fuel Injection and Ignition with an aftermarket Standalone Engine Management System  Updated September 2022 by Jerry Hoffmann Our EFI Tuners Guide is aimed first and foremost to the DIY EFI installer, configurer, and tuner, this guide will help you understand WHY you…

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Carb to EFI: Other ignition control alternatives

Objective of this Article In Part 2 of this article, we covered how to take control over the ignition on our 1977 Chevy Nova. We opted to get a HEI distributor out of a van in the local junkyard. This is a pretty straightforward option if you’ve got a Chevy V8. But what if you…

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