help with ECM and prom

[Bruce Plecan]

----- Original Message -----
From: Marc Piccioni <mpiccioni at attcanada.net>
To: <gmecm at efi332.eng.ohio-state.edu>
Sent: Wednesday, April 14, 1999 8:32 PM
Subject: RE: help with ECM and prom

The AUJN is a 128K Prom, and the AUJP is a 256K prom.  The AUJN is MAF, and
the AUJP is MAP.
Bruce


> How close are the AUJN and AUJP calibrations?
>
> ----------
> From: Bruce Plecan[SMTP:nacelp at bright.net]
> Sent: April 12, 1999 10:35 PM
> To: gmecm at efi332.eng.ohio-state.edu
> Subject: Re: help with ECM and prom
>
>
> ----- Original Message -----
> From: <ECMnut at aol.com>
> To: <gmecm at efi332.eng.ohio-state.edu>
> Sent: Tuesday, April 13, 1999 12:08 AM
> Subject: Re: help with ECM and prom
>
> If ya'll wanna send me a copy I can compare it to a old version, and tell
ya
> the difference..
>   If you unplugged the 9th injector then ya could run the AUJN Bin, and
the
> fan locations have been posted (the AUJN runs the same locations as the
> ARAP, just it's a manual trannny version), and the formulas are at
> programming 101.
> Bruce
>
> > AMERSON,
> > I can't find a match for the chip you got from the dealer.  Must be
> > newer than my book (96 ish)  Your original ABTR4763 is for
> > a 1988 5.7, VIN "8" Chevy, which sounds right.
> > HTH, Mike V
> > > I have a 88 Vette with 1227165 it has been upgraded to a 16198259 the
> prom
> > >  that was in it is ABTR4763 and I had a GM dealer order me a new prom
so
> I
> > >  would have one to play with the programming, I thought it would be
the
> > same
> > >  numbers on the proms but the new prom # is ABTR4762. The new prom
which
> is
> > >  supposed to be the same as the old prom at least that's what the
dealer
> > told
> > >  me, runs better than the old prom. I am lost has anyone worked with
> this
> > > PROM
> > >  or do you know anything about the prom #'s. The new prom runs fine
I'd
> > just
> > >  like to change the temp settings. There was someone here that had
> > mastertune
> > >  for an 87 Vette with the 4+3 trans as for as I know it is the same as
> my
> > 88
> > >  with the 4+3 trans. Would you send me a file to try from the 87. I
run
> a
> > 160
> > >  stat. some the fans at on at 185 and off at 175 is good.
> > >  thanks
> > >  AMERSON