Author: Jerry Hoffmann

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!

Greg Banish, Calibrated Success Before we ever begin tuning our delivered air to fuel ratio in the engine, we have to make some decisions about fuel delivery and calibration. I will preface this with the usual requirement that we also have complete injector characterization data (flow rate, offsets vs voltage, short pulse nonlinearity compensation) before…

Greg Banish, Calibrated Success Idle tuning and control often seems to be an afterthought on some tuning projects. The devil’s work, it seems. Worse some try to do it too soon without nailing other important aspects of the calibration and get hellish results, only to curse the controller. Proper idle tuning and control can be…

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…

The day is drawing near, when she asks you what you want for Christmas, and you aren’t quite sure what to say! At least I know that’s happened to me many times!

Be ready! Put your MSPNP, MS3Pro, MaxSpark, MicroSquirt and accessories on your Wish List, send it to your wife. Your mom. Your wife’s mom. Everyone that asks!!!

And then have something to be excited about under the tree Christmas morning!!

For our customers that like to be on ‘the bleeding edge’ of new features, this pre-release ‘alpha’ firmware has just been released for all MS3 and MS3 based ECUs including MS3Pro PNP and MS3Pro Evo/Ultimate/Gen1 products. Alternately, in some cases our Tech Support Team may suggest you try this to add a particular feature or address a particular issue.

EFI Expert and Author Greg Banish offers up a guest blog post offering insights on Fuel Rail Pressure Fluctuations, how they can impact the fueling of your EFI System, and what you can do to minimize any negative impact they could have!

Guest Blog Entry by Jeff Linfert Jeff has been a long time user, reseller, installer, and tuner of our products for many, many years now and has offered up some of his thoughts and insights on how to help you get the most out of your car and engine management system. If you need installation…

15 years ago, I founded DIYAutoTune.com by merging a passion for technology (I was an IT guy) with a passion for racing (I was/am a car junkie).  I had $1200, a spare bedroom, and an idea. It has been a blessing of an opportunity and quite a ride.  DIYAutoTune has grown and evolved beyond what…