2 bar ECM again/still (HELP)

[Bruce Plecan]

> OK, I stink I got it.

Close but not yet

> I can just plug it into the Sy/Ty memcal & play away.

No you need to use a v8 memcal.  If running a v8.

> I can edit the prom (sounds like Terry has an ECM file for My GMEPro)

Yes

> I still though don't understand why I loose the Wastegate or the TCC.  not
> tragic though, I am not running the TCC off of the ECM & there are other
> ways to do the wastegate).

Different cals move the outputs around.  The syty code uses a WG, none of
the 730s do hence the 730 doesn't have an output for doing that.
>
> I seem to recall seeing the something towards the end of the post on the
TT
> w/the Van motor, but....
>
> TANX MUCHO, I will be bothering you again later I am sure.
> BW
>
> -----Original Message-----
> From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
> Of Bruce Plecan
> Sent: Thursday, March 29, 2001 5:40 PM
> To: gmecm at diy-efi.org
> Subject: Re: 2 bar ECM again/still (HELP)
>
>
>
> Yes you can run the syty code in a 730.
> But you lose the Wastegate, and as I recall the TCC.
> This wassa big thing before the 730 was fully hac'd.   For years the 749
> code was the only one Public domained.   Still is the only PD'd 2 bar MAP
> code.
> No there weren't any oem 2 bar 749 apllications, thou the hac show the
> select to 8 cyl..
> Bruce
>
>
>
> > I know we have just been here but I am still cornfused, please bear with
> me.
> >
> > I spent quite a bit of time today searching the GMECM archives about
this
> &
> > did not come up with anything remotely solid (hence question #1 about
> > archives).
> >
> > It appears that John Gwynne (sorry if I killed your name), tried the 747
> > into 730 switch for a blown V8.  however, he had problems with it that
> > involved the TCC & the Boost regulator (cant recall the name of it).
> >
> > in one of his posts he said that he had modified the anht code to accept
> the
> > 2 bar map but the only purpose that it served was to be another bit in
the
> > ALDL data stream & that it did not do anything to control timing or IOT.
> I
> > don't understand this @ all.  why would he go through the pain & hassle
if
> > it did not do that?  there has to be another reason, or I missed
> something.
> >
> > it appears from Grumpys posts on the topic that he does not think that
> this
> > is the best way to skin this cat.  if not what do you think is a better
> way?
> > I have looked through Ludis site & the diy site & on the
> > www.diy-efi/gmecm/faq/ecm_selection.html page it lists the different
ECM's
> &
> > which ones have hac's & so on.  it appears that there is
> >
> > the 749 for the 4 cyl turbo MAP,(sunbird I think)
> > the 749 for the 6 cyl turbo MAF & MAP (GN/TType & Sy/Ty respectively)
> > The 749 for the 8 cyl turbo MAP (what the heck is this, this is what I
> > want!!!!)
> >
> > is the last one a boo boo?
> >
> >
> > I guess the question that no one has really answered is, has anyone
stuck
> > the Sy/Ty code into the 730?  does it work, or are there obstacles to
big
> to
> > overcome?  if that is the case is there a clean way to do this or are
the
> > two alternatives, buy a FelPro setup or use a FMU?
> >
> > I would REALLY like to hear from Bruce & John if only a short note.
thank
> > you guys!!
> >
> >
> >
> >
> > Bob Wooten
> > r71chevy at earthlink.net
> > www.r71camaro.homestead.com
> >
>
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