[Diy_efi] [Gmecm] 181 merc 730

Avery Nisbet anisbet
Tue Aug 9 23:25:52 UTC 2011


The Rom is on the moates.net ftp site.  And code59.org has a hacked version.

I think this is more getting the ECU to run the code with the right L4 ESC
and knock setup.


-Avery

On Tue, Aug 9, 2011 at 4:22 PM, Bill Hamilton <scoutii76 at hotmail.com> wrote:

>  I have a turbo sunbird ecm on my shelf if you need me to read the chip.
>
> Bill
>
> ------------------------------
> Date: Tue, 9 Aug 2011 16:08:24 -0700
> From: anisbet at gmail.com
> To: truckeez at yahoo.com
> CC: diy_efi at diy-efi.org
> Subject: Re: [Diy_efi] [Gmecm] 181 merc 730
>
>
> You can hack the V6 prom to change the cylinder count but you will not have
> an ESC.  Im not sure if the ECU's run with out them.
>
> These setup of the knock stuff.  And kinda configure the ignition too.
>
>
>
> I'm trying to run a datsun 510 off of one of these ECU's  I found the
> memcal from a quad four to work ok.  The iron duke didn't seem to work but
> it could have been bad.
>
>
> Oh remember to add diy_efi at diy-efi.org to your CC so everyone else can see
> it.
> -Avery
>
> On Tue, Aug 9, 2011 at 3:08 PM, alan mays <truckeez at yahoo.com> wrote:
>
> Oh No -back to the hard to find.... thanks for your input but wouldn't a
> 730 from something with a dis work?
>
> --- On *Tue, 8/9/11, Avery Nisbet <anisbet at gmail.com>* wrote:
>
>
> From: Avery Nisbet <anisbet at gmail.com>
> Subject: Re: [Gmecm] 181 merc 730
> To: "alan mays" <truckeez at yahoo.com>
> Cc: gmecm at diy-efi.org
> Date: Tuesday, August 9, 2011, 4:46 PM
>
>
> You need the 4 banger prom from a turbo sunbird.  They have it on the
> code59 site.  Its so it will work with the ignition.
>
>
> -Avery
>
>
> On Tue, Aug 9, 2011 at 2:04 PM, alan mays <truckeez at yahoo.com<http://us.mc1618.mail.yahoo.com/mc/compose?to=truckeez at yahoo.com>
> > wrote:
>
>      OK I remember this from a while back-It would make life so much
> easier---IF I could get on the code59.org site.   Someone mentioned the
> ECM doesn't really know how many injectors its firing  ,  So here is another
> question---  should i just get a 730 or at least the eprom from a 3.1 gm to
> start with since the "shaky II" --Merky II 4 banger is 3 ltr??  would that
> simplify more as far as having to change values in the bin files?  here is a
> pic of the intake model for carbs--I haven't got a lt1 intake yet to make
> injector bung plugs to model in but they will be pointing at the back of the
> valves.
> http://www.peachparts.com/shopforum/showthread.php?p=2767390#post2767390
>
>  "Alan, a 1227730 will work with the TPI harness or the Sunbird harness.
> It MIGHT take a re-pinning of one or two wires but not have diagrams in
> front of me.
>
> Is this a turbo'd 181? That will be neat!
>
> Both the 1227749 and the 1227730 will run Code59 for boost.  The 7730 can
> not run a TBI but the 7749 can run a TBI. This is because the 1227749 has a
> peak/hold injector driver but the 7730 has only saturated driver."
>
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>
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