News & Events


Join us on a journey into the realm of Lambda-based engine tuning with the expertise of returning contributor Greg Banish. In this article, Greg unveils the simplicity and efficiency of using Lambda ratios for precise fuel corrections. Learn how a universal reference point eliminates the need for memorizing stoichiometric values and discover the advantages of a Lambda-based mindset. Dive into wideband sensor setups and gain insights that will revolutionize your approach to engine tuning. Buckle up as we explore the science behind optimal engine performance with Greg Banish leading the way.

Read More

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!

Read More

John Kessler’s MegaSquirt MS3X-powered BMW E36, where engineering precision meets a unique 2J twist. This high-performance masterpiece, nestled in the heart of Saint Louis, unfolds as a testament to Kessler’s dedication and expertise. From the challenges of wiring to the triumphs of seamless integration, each detail reflects the collaborative effort with Hi-Tuned Performance, Jarod Lawson, and Jordan Tuchband.

Read More

Experience a new era in engine management excellence as DIYAutoTune/AMPEFI welcomes its new owners. With a fresh leadership team, unwavering commitment to quality, and American-made values, we’re poised for an exciting journey ahead. Stay tuned for what’s in store!

Read More

Exciting news! DIYAutoTune and AMPEFI have a new owner, EFI Innovations, Inc., ushering in a new era for American Made Engine Management. Founder Jerry Hoffmann shares his gratitude and hints at upcoming projects. Stay tuned for more innovations and continuity in quality and service!

Read More

Motorsports isn’t just about speed; it’s a test of character and determination. In 2023, Eric Anderson and the MSR team pushed the limits of both their car and themselves at the SCCA SOLO Nationals. From the high of championship victories to the lows of unexpected challenges, theirs is a story of unwavering passion, camaraderie, and the pursuit of perfection.

Read More

In this week’s Project Spotlight Brandon Weber’s latest masterpiece takes center stage – a 1995 Volkswagen Golf GL, armed with MicroSquirt engine management, and ready to unleash its raw power on the track. Join us as we delve into the story behind this project, from the initial inspiration to the thrilling turbo setup that propels this VW Golf to new heights.

Read More

This week returning guest blogger Greg Banish of Calibrated Success joins us to discuss ignition timing. Learn about how ignition timing is THE most important factor in engine performance.

Read More

In today’s project spotlight, we talk with Bronson McNemar about his awe-inspiring Mazda Miata build. With the power of an LS engine and the precision of the MS3X system, Bronson shares his journey of pushing boundaries and unlocking the true potential of his Miata. From DIY wiring to fine-tuning the Traction Control strategy, Bronson’s expertise shines through as he takes us on a thrilling ride of power, performance, and engineering excellence. Get ready to be inspired!

Read More

In this exclusive interview with DIYAutoTune.com, Nicholas Bolton takes us on a thrilling journey into the world of jet boats. Discover how he harnesses the power of Microsquirt EFI to revolutionize his boat’s performance on the water. From engine configurations to race endeavors, Nicholas shares his insights and experiences, showcasing the immense potential of electronic fuel injection in the marine realm.

Read More