All of the following information is provided in the hopes that others’ efforts can be of benefit to you in your install. We do not have one of each type of vehicle mentioned here, therefore no first hand experience with most of these to confirm each of them. This information is to help point you in the right direction to get your car Megasquirted. As the MegaSquirt has historically been a Do-It-Yourself engine management system, we encourage you to take your time, do your research, and take responsibility for your installation and tuning.
Some of the articles may have base tuning maps available as well– it is important that you make sure you understand that often these maps will only work with the same version of firmware they were built on. You can manually transition the settings over into a new firmware version, but loading an .msq into a different version than they were built on can have unpredictable results. Also– just because a map was built on a car just like yours doesn’t mean you should load the map on your car and go for some WOT runs– take the time and be responsible for your own tune, make sure it works right on YOUR car, make sure the timing and AFR’s are right. Consider these ‘base maps’ and NOT final products.
DIYAutoTune.com MegaSquirt Install Articles
These are articles written and hosted here, still not always from first hand experience but often from information gathered with the help of others with first hand experience. Credit, of course, is given in the articles to those who helped bring it all together. These are ‘living’ documents that will be updated over time, if you see changes that need to be made please call them out!
Note: For DIYPNP installs, see the DIYPNP Models page.
Chevrolet / GM
- LS Central – MegaSquirt for the LS1 and related motors — An entire section of articles on the latest GM V8! (New!)
- How to MegaSquirt your LT1, LT4, or L99 Camaro, Trans Am or Corvette (Updated for MS3X!)
- How to MegaSquirt your TPI or TBI Chevy Smallblock V8 or V6 — Camaro / Firebird / Corvette / S10 / most any TPI/TBI GM cars…here’s what you need! (Updated for MS3X!)
- Using MegaSquirt-II to GM TBI adapter board — Make the installation even easier! This adapter board fits inside a 746 or 747 ECU and lets you use Megasquirt with many throttle body injected V6, small block, and big block applications.
- Using MegaSquirt-II to GM TPI adapter board — TPI owners, now it’s your turn! This adapter board fits inside a 165 ECU and lets you use Megasquirt on your ’86 through ’89 Camaro, Trans Am, or Corvette.
Chrysler/Dodge
- How to MegaSquirt your New Hemi Introduced in the 2003 models, this is a very popular swap into older muscle cars. MS3 lets you swap one of these engines in without worrying about how to transplant a stock ECU into a classic muscle car.
- How to MegaSquirt your Chrysler, Dodge, or Mitsubishi 3.0 SOHC As used in the Daytona, LeBaron, Shadow, and more.
- How to MegaSquirt your Neon, Cloud Car, or PT Cruiser Covers both first and second generation Neons.
DSM
- 4G63 Turbo DSMs! How to MegaSquirt your 4g63 powered DSM – Eclipse, Talon, Laser, Galant VR4
- How to MegaSquirt your Mitsubishi 4G37
- How to MegaSquirt your 420A powered DSM
Ford
- Ford Probe GT from 1993-1997
- Ford 5.0 Mustangs from 1986 – 1995 — How to MegaSquirt your 5.0 Mustang! Covers wire-in installations.
- MegaSquirt Adapter Cable for ’86-’93 and ’94-’95 5.0 Mustangs – We now have an adapter cable to make this a plug in installation! The cable requires slightly different mods from a wire-in installation. This article covers what you need to do.
- Ford 4.6 Mustangs from 1996 – 2004 – This writeup also works for other modular motor V8 applications, including trucks, Lincolns, SVT Lightning, Crown Victorias, and Thunderbirds!
- Ford Zetec – MegaSquirt your Focus, Escort, Contour, Mondeo, or use this to wire up your Zetec powered kit car!
- How to MegaSquirt most EEC-IV Ford’s easily using the MegaEFI EEC-IV Adapter Kit
Honda
- How to MegaSquirt your 1992-2002 Honda or Acura! Many, many models covered here.
Mazda
- Mazda RX-7 from 1986 to 1991 Control the rotary ignition with no changes to the stock sensors! Can also be used to swap the FC ignition onto ’85 and earlier cars.
- Mazda Miatas Many Miata owners have been using our DSM article for this with success as it’s very similar, but here’s one customized just for you guys! (Major Updates!)
- Mazda MX6 or 626 from 1993-1997 (V6 Engines Only)
Mitsubishi
- 4G63 Turbo DSMs! How to MegaSquirt your 4g63 powered DSM – Eclipse, Talon, Laser, Galant VR4 (Updated for MS3X!)
- How to MegaSquirt your Mitsubishi 4G37
- How to MegaSquirt your Mitsubishi 3.0 SOHC
- How to MegaSquirt your 420A powered DSM
Mopar (old school)
- How to control the ignition on your vintage Mopar engine Matt Cramer (owner of a turbocharged and MS’d Dodge Dart) pours out some of his Mopar and MegaSquirt knowledge for us all! This article covers ignition control of vintage Mopars. You’ll still have some other work to do if you want to convert to EFI as well… You can always do one and then the other using the same MS…
Nissan/Datsun
- How to MegaSquirt your Nissan 240sx MegaSquirt your KA Powered S13 or S14, or use this article for your KA Pickup as well!
- How to MegaSquirt your 1982-1983 280ZX Turbo Newer article that I’ll be polishing up and adding too but it’s got a good start!
- How to MegaSquirt your Nissan Skyline RB25DET Also works for RB20DET and RB26DETT. Or use this for your 240SX engine swap.
- How to MegaSquirt your Nissan 300ZX VG30DETT or VG30DE MegaSquirt for the Z32 cars using all stock ignition!
Subaru
- How to MegaSquirt your 1987 Subaru RX Turbo! Written up as an addition to a SubieSport article in the April 06 magazine– everything you need to know for a plug-n-play installation!
Toyota
- How to MegaSquirt your 4AGE / 4AGTE Powered Toyota (MR2, AE86 and AE92 Corolla) Covering Plug-N-Play setups using the MS-I PCB2.2 or PCB3.0 with the MSnS_E firmware, AND using the MegaSquirt-II!
- How to MegaSquirt your 22RE or 22RTE powered Toyota! Thanks to Darin Ginther for this excellent writeup that I’m sure will help many of you get those 22R’s ‘squirted!
Volkswagen
- How to MegaSquirt your water cooled VW – Covers the 8V and 16V inline fours.
Volvo
MegaSquirt Support And Information/ Articles found throughout the Web
Not written/hosted by DIYAutoTune.com
1962 Corvair Carb-to-EFI highlights
Ford Windsor Carb-to-EFI conversion (relevant to any V8 EFI conversion )
Non-Car Specific– Carb-to-EFI Conversion
BMW 2002 (1973) Carb to EFI Conversion using MegaSquirt
BMW 2002 (1973) Carb to EFI Conversion using MegaSquirt
DSM — Second Gen Non-Turbo Covers tapping into existing harness for fuel control. Factory ECU controls timing.
DSM — 4g63 Powered Full fuel and ignition control a la MSnS-E!
Mazda MX-6 / Ford Probe – covering the ’88-’92 models with the F2T turbo motor.
Mazda RX7 — Muythaibxr is the authority on MegaSquirt conversions on the RX7; here is his FAQ. This is a part of a Megasquirt subforumon RX7Club.
Mazda RX7 — Aaron Cake has a very in-depth writeup on his home page for how to make the MegaSquirt work with the RX7. Covers both MegaSquirt I and II.
Mercedes-Benz M110 — Installing a GM TBI on a carbureted motor.
- Also see his article on a Mercedes-Benz M115.
Mercedes-Benz 280SL (1985) Detailed K-Jetronic to EFI conversion.
Mercedes-Benz 450SLC (1980) Converting from the mechanical K-Jetronic to a Megasquirt
MGB Write-ups:
Ford TFI — This used to point to a page that generically covered the Ford TFI ignition system with the MS-I and MSNS_E ignition system, that page is gone now. Check out our How to MegaSquirt your Mustang! page for good info on what really applies to all TFI based ignition systems using the grey TFI module.
Toyota Corolla (AE86) (1987) Full replacement of factory ECU using MSnS-E to control fuel and spark
Toyota Paseo – Home made plug and play harness for the 5E-FE motor.
Toyota RAV4 – The same James L. who brought you the MR2 writeup tackles a 3S-FE RA4. Includes DIYPNP and regular MS2 information.
Triumph Spitfire with GT6 swap (1975) Carb to EFI swap along with a wasted spark ignition conversion
Volkswagen– Two threads for your to check out here with tons of information
Volvos — You’ll find more Megasquirt writeups at www.VolvoSpeed.com — just search for ‘MegaSquirt’ on the message board.
More to come! If you’ve got documentation you’d like to see posted here drop us an email to let me know!
