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…

Happy New Year!  A quick note from Jerry….

DIYAutoTune/AMPEFI’s evolution under EFI Innovations Inc., the past three months have been a whirlwind of change and progress. From the passionate hands of founder Jerry Hoffmann to the capable leadership of Kurtis Warne, Steven VanOrder, and Scott Kieser, our commitment to innovation and customer satisfaction has only strengthened. Join us as we reflect on the triumphs and exciting ventures that lay the foundation for an even brighter future. Stay tuned for upcoming releases, partnerships, and an inside look at the driving force behind DIYAutoTune/AMPEFI’s continued success!

Take It To The Track: Easy Entry Into Motorsports

Get off the street and onto the track!
It’s easier than you might think to experience the thrill of motorsports. Learn how to get started in the exciting world of racing. In this guide, we explore the accessible entry points into motorsports through autocross, bracket racing, and time trial circuit racing. Whether you’re a seasoned enthusiast or just discovering your passion for speed, our insights will help you take your first steps into the heart-pounding realm of motorsports.

Injection Perfection: Choosing the RIGHT Fuel Injector

Discover how these tiny electromagnetic marvels have revolutionized fuel delivery, granting us the power to fine-tune engine performance like never before. Unravel the mathematics behind injector sizing, and learn how to select the perfect flow rate for your horsepower targets, ensuring your engine runs with efficiency and precision.

Is a Standalone ECU right for you?

Considering a standalone ECU? Whether you’re replacing the factory ECU in your track car, or ditching the carb in your classic cruiser, learn why now might be the time to make the switch and take control!

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,…

MegaSquirt-3 with PCB V3.0 Kit

SKU: MS330-K

Included is a MegaSquirt-III Engine Management System w/PCB3.0 – Unassembled Kit Part # MS330-K This MS330-K kit includes everything you will need to build your MegaSquirt-3. The genuine B&G partial kit with V3.0 PCB, everything in the standard Bill Of Materials, the MS3 daughter board kit, the case, pre-machined endplates and heatsink bar, even the…

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Electronic Boost Control (EBC) Solenoid Kit

SKU: EBC_Sol_kit

This electronic boost control solenoid can be used with the MS3-Pro/MSPNP as well as any DIY Style MegaSquirt EMS (with the appropriate mods), or with other electronic boost controllers to control boost by adjusting the pressure to a turbo wastegate. The MS3Pro, MS3X, MSPNP, and DIYPNP can drive this directly. It operates on a frequency of 19.5-40…

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3/8″ NPT Stainless Steel Weld-On Bung for IAT or CLT Sensor

SKU: 38NPT-BungSS

3/8″ NPT Stainless Steel Weld-On Bung for IAT or CLT Sensor Our 3/8″ pipe fitting for temperature sensors is now available in stainless steel. This one can be welded to either stainless or mild steel. Comes with galvanized steel plug as well.

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Transistor Replacement 2 – Pack TIP125TU-ND

SKU: rp-msx30-28

2 pack of TIP125TU-ND transistors MSx30 Q9 and Q12 These are part of the flyback circuit on the V3.0 and V3.57 boards. The V2.2 flyback board also uses these, and it replaces the TIP125 high side driver on the DIYPNP V1.5 board as well.

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