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Approved by Stacey @ MM8
For those who don’t know Megasquirt in its most BASIC form is a standalone fuel computer that grants users full control over the fuel curves and allows use of different injectors for boosted people. With modification, the Megasquirt unit can be converted from a basic fuel computer into a complete standalone engine management system that rival most existing high priced units out there.
Through this bulk buy you will be able to purchase a customized Megasquirt unit for your application and only pay the costs associated with those options.
As this is our third bulk buy we have learned what options people commonly desire and have come up with a product considerably different than our previously offered “Packaged Unit” that we believe will offer the highest compatibility, reliability, and usability over any other Megasquirt units built for a probe, even those offered in our previous bulk buys.
Our new “Packaged Unit” offers full 1993-1997 Ford Probe GT compatibility. What is different from most units offered is that ZERO modifications to the car are necessary in order to run Megasquirt. No cutting of teeth on the crankshaft pulley, no swapping 95-7 disty’s with a 93-4 disty, no 36-1 trigger wheels. And even better; a properly tuned unit WILL be emissions compliant! So for those of you with strict emissions laws you should be able to have the benefits of programmable fuel and ignition control alongside the ability to pass your E-tests! We have spent a long time developing these features and have fit it all into a very competitively priced package.
The new packaged units make use of the factory ECU, and require only minimal wiring to install. This means that the factory ECU can be left in the car to control emissions functions (EGR, evaporative emissions, etc…) as well as idle, vris, fans, and all of the other ancillary functions that the stock ECU does so well. This will eliminate the issues some have had with idle control when using Megasquirt, as well as free up potential outputs on the unit since the stock ECU controls fans and vris.
This means the stock ECU is left to do what it does best, and the Megasquirt is left to do what it does BETTER. Which is fully programmable control over fuel and spark, as well as the optional programmable outputs, which include water injection, nitrous, launch control, etc (more on that later).
AND FOR THE FIRST TIME! COIL PACK IGNITION CONTROL IS AN OPTION!
Coil pack ignition allows for ample dwell time between each spark even at high engine speeds. Traditional distributed spark ignition systems have 1 coil that provides spark for all 6 cylinders. The drawback here is that at high rpm the coil doesn’t have enough time between each adjacent spark to fully charge, thus causing a reduction in spark voltage. This can cause spark to blow out at higher rpm, especially with modified engines that are turbocharged or run nitrous. A coil pack ignition system has three coils, meaning each coil does 1/3rd the work and has 3x the time to charge between each spark. This type of an ignition system is capable of developing the same high power spark at all engine rpm’s even with a larger more efficient spark plug gap (Ryan was running 0.060” plug gap and at 15psi boost without issue). These things combined will also help you develop better engine response through the rpm range and higher efficiency as well, with proper tuning this will lead not only to better performance, but better fuel economy as well.
Some information on the new units:
- All new units will be built using the NEW Version 3 Megasquirt PCB.
- Onboard MAP sensor for NA or boosted engines up to 21psi!
- Up rated Flyback circuitry is now built in so you can use any injector - High or Low impedance.
- Log data on your laptop for later analysis.
- Tuning software is free for download and regularly updated with new features.
- Open Source design - all code and hardware information is available online.
- All automotive temperature grade components for increased reliability.
- Added current limiting circuitry to provide increased fault tolerance.
- All units will use the Megasquirt I processor (which at this time offers more features than the Megasquirt II processor)
- All units will come with a Probe specific modified version of the latest stable MSNS-Extra code version.
WHAT YOU GET AND FOR HOW MUCH
For $330
You will get a fully assembled Megasquirt unit that is compatible with 1993-1997 Ford Probe GT/MX-6 LS, that DOES NOT require any modifications to the engine, and WILL be emissions compliant (once properly tuned). Other than wiring the unit (Connector will be included), no other modifications will be necessary to have fully laptop programmable fuel and ignition control. The unit will be able to control any size and type injectors (you are no longer held to the high impedance injector requirement) and the unit will control any year KL v6 engine with its original distributor. Ancillary functions such as fan control, evap. emissions control, idle control, air conditioning compressor activation, etc… are left to for the stock ECU to control. Keep in mind this is NOT a piggyback system. Piggyback systems modify ECU inputs to change the ECU outputs, and thus still fall prey to the limitations of the stock ECU’s inability to understand boost; among other things. Megasquirt will be fully controlling the two LARGEST functions of engine control, FUEL and SPARK, and therefore retains its status as a standalone engine management system.
For $390
You will get basically the same thing above, EXCEPT, it will include the ability to control coil packs. Since the stock ECU is left in place it will be necessary to retain the BASE of the stock distributor. That is you can remove the disty cap and rotor, remove the ignition coil, and put a cap over the base of the disty to gain a bit more clearance in the area of the distributor. The cam sensor in the disty is needed to avoid CEL, maintain emissions compliance, and is actually used by the Megasquirt as well as a secondary engine reference position input. This allows the Megasquirt to determine which coil should fire next, and will allow for flawless startup every time (a problem that has prevented us from offering a coil pack Megasquirt solution until now). You will be responsible for wiring in the Megasquirt, and sourcing/mounting the coil pack, but aside from that no engine modifications will be necessary again. NO need for custom mounted trigger wheels, no need for special new sensors or additional external control modules. This system is NOT based on the FORD EDIS system many have talked about, it is better. This system allows for MS programmability, and proper rev limiting, spark cut, and launch control. The Ford EDIS system will continue to spark even if the Megasquirt tells it not to.
Very specific coil pack wiring/install instructions will be included. You can use stock plug wires provided you mount the packs close enough to the engine.
Additional Info:
Some of you may have noticed, this system talks about fuel and spark control, what about the other things that the old packaged unit used to include… such as idle control, the programmable outputs, dual O2 compensation circuitry, fan control, etc.
For those who don’t know Megasquirt in its most BASIC form is a standalone fuel computer that grants users full control over the fuel curves and allows use of different injectors for boosted people. With modification, the Megasquirt unit can be converted from a basic fuel computer into a complete standalone engine management system that rival most existing high priced units out there.
Through this bulk buy you will be able to purchase a customized Megasquirt unit for your application and only pay the costs associated with those options.
As this is our third bulk buy we have learned what options people commonly desire and have come up with a product considerably different than our previously offered “Packaged Unit” that we believe will offer the highest compatibility, reliability, and usability over any other Megasquirt units built for a probe, even those offered in our previous bulk buys.
Our new “Packaged Unit” offers full 1993-1997 Ford Probe GT compatibility. What is different from most units offered is that ZERO modifications to the car are necessary in order to run Megasquirt. No cutting of teeth on the crankshaft pulley, no swapping 95-7 disty’s with a 93-4 disty, no 36-1 trigger wheels. And even better; a properly tuned unit WILL be emissions compliant! So for those of you with strict emissions laws you should be able to have the benefits of programmable fuel and ignition control alongside the ability to pass your E-tests! We have spent a long time developing these features and have fit it all into a very competitively priced package.
The new packaged units make use of the factory ECU, and require only minimal wiring to install. This means that the factory ECU can be left in the car to control emissions functions (EGR, evaporative emissions, etc…) as well as idle, vris, fans, and all of the other ancillary functions that the stock ECU does so well. This will eliminate the issues some have had with idle control when using Megasquirt, as well as free up potential outputs on the unit since the stock ECU controls fans and vris.
This means the stock ECU is left to do what it does best, and the Megasquirt is left to do what it does BETTER. Which is fully programmable control over fuel and spark, as well as the optional programmable outputs, which include water injection, nitrous, launch control, etc (more on that later).
AND FOR THE FIRST TIME! COIL PACK IGNITION CONTROL IS AN OPTION!
Coil pack ignition allows for ample dwell time between each spark even at high engine speeds. Traditional distributed spark ignition systems have 1 coil that provides spark for all 6 cylinders. The drawback here is that at high rpm the coil doesn’t have enough time between each adjacent spark to fully charge, thus causing a reduction in spark voltage. This can cause spark to blow out at higher rpm, especially with modified engines that are turbocharged or run nitrous. A coil pack ignition system has three coils, meaning each coil does 1/3rd the work and has 3x the time to charge between each spark. This type of an ignition system is capable of developing the same high power spark at all engine rpm’s even with a larger more efficient spark plug gap (Ryan was running 0.060” plug gap and at 15psi boost without issue). These things combined will also help you develop better engine response through the rpm range and higher efficiency as well, with proper tuning this will lead not only to better performance, but better fuel economy as well.
Some information on the new units:
- All new units will be built using the NEW Version 3 Megasquirt PCB.
- Onboard MAP sensor for NA or boosted engines up to 21psi!
- Up rated Flyback circuitry is now built in so you can use any injector - High or Low impedance.
- Log data on your laptop for later analysis.
- Tuning software is free for download and regularly updated with new features.
- Open Source design - all code and hardware information is available online.
- All automotive temperature grade components for increased reliability.
- Added current limiting circuitry to provide increased fault tolerance.
- All units will use the Megasquirt I processor (which at this time offers more features than the Megasquirt II processor)
- All units will come with a Probe specific modified version of the latest stable MSNS-Extra code version.
WHAT YOU GET AND FOR HOW MUCH
For $330
You will get a fully assembled Megasquirt unit that is compatible with 1993-1997 Ford Probe GT/MX-6 LS, that DOES NOT require any modifications to the engine, and WILL be emissions compliant (once properly tuned). Other than wiring the unit (Connector will be included), no other modifications will be necessary to have fully laptop programmable fuel and ignition control. The unit will be able to control any size and type injectors (you are no longer held to the high impedance injector requirement) and the unit will control any year KL v6 engine with its original distributor. Ancillary functions such as fan control, evap. emissions control, idle control, air conditioning compressor activation, etc… are left to for the stock ECU to control. Keep in mind this is NOT a piggyback system. Piggyback systems modify ECU inputs to change the ECU outputs, and thus still fall prey to the limitations of the stock ECU’s inability to understand boost; among other things. Megasquirt will be fully controlling the two LARGEST functions of engine control, FUEL and SPARK, and therefore retains its status as a standalone engine management system.
For $390
You will get basically the same thing above, EXCEPT, it will include the ability to control coil packs. Since the stock ECU is left in place it will be necessary to retain the BASE of the stock distributor. That is you can remove the disty cap and rotor, remove the ignition coil, and put a cap over the base of the disty to gain a bit more clearance in the area of the distributor. The cam sensor in the disty is needed to avoid CEL, maintain emissions compliance, and is actually used by the Megasquirt as well as a secondary engine reference position input. This allows the Megasquirt to determine which coil should fire next, and will allow for flawless startup every time (a problem that has prevented us from offering a coil pack Megasquirt solution until now). You will be responsible for wiring in the Megasquirt, and sourcing/mounting the coil pack, but aside from that no engine modifications will be necessary again. NO need for custom mounted trigger wheels, no need for special new sensors or additional external control modules. This system is NOT based on the FORD EDIS system many have talked about, it is better. This system allows for MS programmability, and proper rev limiting, spark cut, and launch control. The Ford EDIS system will continue to spark even if the Megasquirt tells it not to.
Very specific coil pack wiring/install instructions will be included. You can use stock plug wires provided you mount the packs close enough to the engine.
Additional Info:
Some of you may have noticed, this system talks about fuel and spark control, what about the other things that the old packaged unit used to include… such as idle control, the programmable outputs, dual O2 compensation circuitry, fan control, etc.
Any suggestions would be appreciated 
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