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Re: '730 ecu



I don't claim to be an expert at this at all. It took me over 30 hours
to make an ECU file for a 16146299 ECM from back hacking the 7747 one. I
ended up with around 60+ definite parameters from the 7747's 109. It takes
time...and patience.

Lyndon.
-----Original Message-----
From: Swayze <kswayze@bellsouth.net>
To: gmecm@efi332.eng.ohio-state.edu <gmecm@efi332.eng.ohio-state.edu>
Date: January 19, 2000 7:22 AM
Subject: Re: '730 ecu


>I started with the ecu file you sent me
>and have looked at a couple of others
>including the promedit ecu file in the
>archives. the one you sent me helped to
>explain the format of the promedit ecu
>file. since then I have been doing lots
>of comparisons and just plain looking at
>the .bin's. there are some 15 to 19
>'maps' in the different '730 .bin's. the
>most notable being the 'sharp' spark
>map.It kinda stands out from the rest
>when viewed. I haven't had a chance to
>see what it is yet ( probably some kind
>of advance). the 9x9 table in the
>promedit ecu has a 4800 rpm max label
>value while the one in the winbin goes
>up to 5600 rpm.  I will probably hunt
>the max value down in the .asm when time
>permits( I believe the fuel cut is
>pretty well documented in the .asm)
>my priority on the diy_efi stuff is
>every third sunday from 3am to 5am so I
>don't expect to get there very fast.
>(slow continuous improvement?)
>byE
>Mike S.
>
>
>Programmer wrote:
>>
>......
>> is pick and find from similarities in other *.ecu maps.
>>
>> Which one were you working on ??
>>
>> Lyndon.
>>