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  #21  
Old July 8th, 2006, 06:52 PM
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Hans Haase
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Well, not many guys are willing to take a bag full of resistors, chips and transistors to solder together their own ECU. Personally, I didn't have much trouble with it until the engine in my CJ failed from age and oil issues. But it did run great.

Though I would highly suggest going with the MS-II system as opposed to the MS-I, since it offers support for the stepper motor and idle control. And later on, the Lucas distibutor can be converted to take a GM HEI module, including the 7 and 8 pin versions for full electronic spark control too.

-Hans
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  #22  
Old July 8th, 2006, 07:04 PM
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Arthur Maravelis
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As I noted, less than $200 (about $160 from some vendors) gets you an already assembled unit.

Can't beat that!

Again, you have to invest time to final tune it but surely that's worth your freedom from Lucas!
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  #23  
Old July 8th, 2006, 08:07 PM
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Is that for the 2.2 or the 3.0 board set? Most places I've seen selling the 3.0 set assembled are around $330 or so for MS-I and $400 for MS-II. The more robust flyback circuitry in the 3.0 as well as the IAC controll in the MS-II chipset really do make it a better system, as well as the expanded fuel mapping.

But then again, selling the old Lucas ECU and Mass Air sensor should pay for the Megasquirt and possibly even a wide band O2 sensor setup if you're lucky :-)

That reminds me, I really need to order the MS-II daughterboard for my old 2.2 MS-I. I really want to get that IAC motor going in my CJ.

-Hans
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  #24  
Old July 8th, 2006, 11:30 PM
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Marc
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low emissions check list

Here is the list from DMV for low emissions visual test in the Upstate area. I guess it rules out converting
to a carb:

  • Positive crankcase ventilation system (PCV) - 1968 and newer.
  • Catalytic converter (CAT) - 1975 and newer.
  • Fuel inlet restrictor (FIR) - 1984 and newer.
  • Exhaust gas recirculation valve (EGR) - 1973 and newer.
  • Thermostatic air cleaner (TAC) - 1984 and newer.
  • Air injection system (AIS) - 1984 and newer.
  • Evaporative emission control (EVAP) - 1984 and newer.
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  #25  
Old July 9th, 2006, 12:33 AM
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Interestingly, the EFI Defenders do NOT have most of that equipment installed.

The PCV valve, no problem
CATs, no problem
Fuel Inlet Restrictor, no problem..... it's at the gas cap.
Thermostatic air cleaner, we never had
Air Injection System, we never had
Evaporative system, easy to convert to use with carbs.

-Hans
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  #26  
Old July 9th, 2006, 01:13 AM
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sounds promising.. what would be involved in the evaporative system conversion to a carb?
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  #27  
Old July 9th, 2006, 01:15 AM
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Attaching 2 vacuum lines probably, one of which with a cheap thermo switch from NAPA.

-Hans
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