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Tuning Guide

    Looking for the DIY EFI Tuners Guide?  Say no more.  Here it is!   Tuning the VVTuner Standalone VVT Controller for Miatas. Once properly installed and communication has been established between the tuning laptop and VVTuner, the controls and use will be fairly straight-forward if you’ve even done any tuning before. When you…

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Support Article

DIYPNP FAQ

UPDATE: Unfortunately, the DIYPNP product line has reached it’s end of life.  This F.A.Q. page will remain available for archive purposes. Is a DIYPNP fully assembled?  Do I just plug it in when it arrives? The DIYPNP ships in kit form and allows you to build a Plug-N-Play EMS for an incredible number of vehicles…

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Support Article

How to use an EEC-IV Adapter Board to MegaSquirt your Ford

If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Note – this adapter has been discontinued. This article is for legacy support. What does this board do? The EEC-IV adapter board kit allows you to install MegaSquirt into virtually any Ford vehicle that uses an EEC-IV computer, without…

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Support Article

How to MegaSquirt Your Water Cooled VW

If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Applications: VW used quite a number of ignition systems on their water cooled engines. This article covers the Hall effect distributor with four teeth, used on most of the ’80s era inline 8V and 16V motors. Later VWs used…

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Support Article

How to MegaSquirt Your Volvo 240, 740, or 940

If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Overview The Volvo 240 and its relatives have a well balanced rear wheel drive chassis and a solidly built engine, but when you start adding boost the stock engine management system can have problems accounting for the extra air…

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Support Article

How to MegaSquirt Your Honda or Acura

If you haven’t already, please read the ‘disclaimer’ at the top of the parent page here. Simplified spark output and VTEC control circuit schematic Models covered: All 1992-2000 Civics, Del Sols, and Integras 1992-2001 Prelude 1992-2002 Accord four cylinder models Some, but not all, OBD0 Hondas also work with this article. This covers many of…

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Corey Stephens Nitrous Fox Body Mustang running MS3Pro EFI hanging the front tires
Support Article

How to MegaSquirt Your Fox Body Mustang 5.0

  MSPNP Plug-N-Play Standalone ECU for your Ford Mustang — Get your 86-93 Fox Body Mustang or SN95 Mustang GT / LX up and running in minutes! Now Available:  MSPNP Gen2 and MS3Pro PNP for the 1986-1993 5.0 Fox Body Mustangs and MSPNP Gen2 and MS3Pro PNP for 1994-1995 SN95 Mustangs! These are fully loaded…

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BMW E36 autocross MS3Pro PNP

Ultimate Tuning Potential – BMW E36 MS3Pro Plug and Play Solutions

It is a rare thing to find a car that does EVERYTHING well!  Dodging cones at your local autocross, clipping the perfect apex on a road course, or obliterating tires while drifting.  The BMW E36 is a testament to automotive ingenuity, offering the perfect blend of balance, driver engagement, and timeless appeal. Its 50/50 weight…

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Greg Banish of Calibrated Success shares his Lambda based tuning strategies with the DIYAutoTune/AMPEFI audience.
Blog Article

Join our Lambda Cult

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.

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E36 BMW M3 running AMPEFI MSPNPPro-E369395 Plug and Play Standalone ECU
Blog Article

MSPNP – Putting the PLAY in Plug-and-Play ECUs

When it comes to enhancing your vehicle’s performance, there’s no compromise on precision and control. In this comprehensive guide, we delve into why the MegaSquirt MSPNP standalone ECUs from DIYAutoTune.com should be your top choice. These ECUs offer a world of advantages, including effortless installation, tailor-made vehicle-specific tuning, and an economically sound solution for optimizing your ride.

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