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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Support Article

Loading MegaSquirt firmware using TunerStudio

TunerStudio has a built in tool to make loading MegaSquirt firmware easy. It works with the MegaSquirt-II and MegaSquirt-III line, including MS3Pro and MSPNP2 ECUs. You can use this tool to update the firmware to get the latest features for your ECU or to perform a “hard reset” if the tune ends up with settings…

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Product

Sealed resistor – 1K

SKU: rs-1K

We’ve wrapped a 1K, 1/4 watt resistor in a sealed and strain-relieved package for underhood use. Blue heat shrink tubing with blue leads. Suggested uses include a pull-up resistor for Hall effect and optical sensors, and for spark outputs C and D on a MicroSquirt.

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Product

Sealed resistor – 10K

SKU: rs-10K

We’ve wrapped a 10K, 1/4 watt resistor in a sealed and strain-relieved package for underhood use. Red heat shrink tubing with yellow leads. Typically used as a shunt resistor with VR sensors.

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Product

AMP EFI Patriotic Flag T-shirt

SKU:

AMP EFI Patriotic Flag T-Shirt This shirt embodies the spirit of American Made Performance, with all our products proudly made in the USA. The patriotic flag logo on the back showcases our pride in our country. Crafted from high-quality, breathable fabric, this shirt ensures optimal comfort and durability. Designed for both performance and style, it…

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Blog Article

TunerStudio MS is POWERFUL tuning software for the MS3Pro, MSPNP, MicroSquirt and Legacy MegaSquirt ECUs!

TunerStudio and is comprehensive engine tuning software that allows users to modify and optimize the performance of MS3Pro and MSPNP Engine Management Systems as well as the MicroSquirt EMS (and our old school kit-style MegaSquirt systems as well) All of our standalone Engine Management Systems allow users to fully control the engine and ignition of…

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Product

DIYBOB Breakout Adapter – Ford 60 Pin – no connector

SKU: DIYBOB-F60K_NC

The DIYBOB is a revolutionary  breakout board from DIYAutoTune.com that allows you to easily build professional adapter harnesses connecting the engine management system of your choice to a wide variety of cars.  The DIYBOB includes an OEM style connector, circuit board, and an anodized aluminum case for a professional appearance. This one fits cars with a Ford EEC-IV…

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Support Article

MS3Pro Programmable On/Off Outputs (Advanced)

Bitwise Operations and Loops This is an advanced level topic. Be sure you have read and understand Part 1, Basic On/Off Outputs before continuing with this article. [section 7.8.23 in the MS3Pro manual] Bitwise operations enhance programmable outputs by allowing the creation of custom functions. For example, you can use a single button for dual…

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Support Article

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…

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Product

MegaSquirt-3 PCB3.0 Kit with MapDaddy4 Upgrade

SKU: MS330-K_m4

Important Note:  Due to supply chain challenges and the lack of ability to have parts anodized at this time, we are transitioning to brushed silver enclosures.  We appreciate your understanding.   MegaSquirt-III Engine Management System w/PCB3.0 – Unassembled Kit Part # MS330-K_m4 This  kit includes everything you will need to build your MegaSquirt-3. The genuine B&G…

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