Re: ECM for 4cyl &Altitude (was 747 & 4cyls)

[Shannen Durphey <shannen@grolen.com>]

Garfield Willis wrote:

> 
> But appreciate the help sorting things out. There's even one of our
> guys who wants to use the Merc ecm because it's small and looks real
> robust, since they're mounted directly on the engine. 
Is this Mercury automobile, or Mercury Marine?  6 and 8 cyl pfi/tbi
Mercury marine ecm is mfg. by Delphi, uses Delhpi harness and
connectors, but is part of a very different world than the automotive
ecm.  Info which I have indicates that the code is in the ROM, and
that the only thing that can be changed is calibration data, which is
contained in EEPROM.  Now as to what the calibration data is....  I'm
still looking.  Along with programming info and tools.  Yes, you've
got a 4 cyl, but the same ECM may be used on 2.5l efi Mercruiser
engines.  
Shannen

I keep tryna
> tell them they each need to come over here and start muckin with the
> particulars, but some are shy, I guess. :)  They'll let Andy & Gar
> come over, make fools of themselves and run the guantlet, and then
> drop in later when the smoke has cleared. Fine.
> 
> Ya know what they say, fools rush in where angels fear to tread. Spose
> intrepid's just another way to spell foolhardy. Oh well, if you can't
> refuse a good experiment, you might as well turn the compulsion into
> something productive.
> 
> Gar
> 
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