85(870 ecm) open loop hac code

[Zacek DenniS]

The car is a 85 with with the factory 870ecm.  For
diagnosing purposes I temp installed my 7730 with the
map. I have a underhood harness for the map and a 7730
conversion harness so the swap takes less than 5 min.
The only part I skipped was the SD knocker.It gave a
code on the 7730 but I just made teh highway timing
all max of 2 degress. this seems tobe the lookup table
when the 7730 loses the knocker.
Sice the 870 ecm was hard to log data with I swapped
in my 7730 for diacom readings.
Dennis
--- Bruce Plecan <nacelp at bright.net> wrote:
> 
> You have a v8 MAF 730?.
> Or using the 730 in a MAP mode and trying to figure
> out a MAF system?.
> You've lost me
> Bruce
> 
> 
> > Its my own custum bin. mostly from my car. just
> > tweaked some parameters to match his setup.
> > He has to get custum exhaust so I want to install
> his
> > 870 ecm back in the car and keep it open open loop
> for
> > a few driving days and till he gets a better
> exhaust
> > and the o2 welded in a better location
> > --- Bruce Plecan <nacelp at bright.net> wrote:
> > >
> > >
> > >
> > > > I am working on a buds car. Right now I have a
> > > 7730 in
> > > > it for diagnosing, but his ecm is the 870:(
> > >
> > > What code are you running in the 730 to do this?
> > >
> > > > I have t okeep the car in open loop to get
> some
> > > work
> > > > done . For the 7730 I just set the open loop
> temp
> > > > enable to 225.(he has a 160 tstat and he fan
> are
> > > on at
> > > > 180) so it will stay in open loop and run
> fine.
> > > > His problem is the o2 sensor. I was told RTV
> could
> > > > have killed it. Well I have athird O2 in it a
> > > heated
> > > > one at that.
> > > > The O2 is in the drivers side primary header
> tube
> > > with
> > > > full exhaust cat and all.
> > > > Its there a addy or I was thinking to set the
> TPS
> > > PE
> > > > enable really low. not shurew if it goes that
> low
> > > 0%
> > > > What other alternative do I have. beside a
> 7730
> > > > upgrade for his car right now.
> > >
> > > Why a low PE?.
> > > If you eaten 3 O2s in rather shot order then it
> > > sounds like silicone
> > >
> > > >
> > > > =====
> > > > Dennis Zacek
> > > > http://geocities.com/bowtie8
> > > >
> > > >
> __________________________________________________
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> > >
> >
>
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> > Dennis Zacek
> > http://geocities.com/bowtie8
> >
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=====
Dennis Zacek
http://geocities.com/bowtie8

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