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Re: Mods to '85 GM TPI ECM



The eprom is a 27256.
The Broad Cast Code is what I already mentioned, a AUJP.  MAPS new $50, used
$5 depending on the deal ya find.
Grumpy



> Bruce,
>     Yeah, I have a manual trans but not an OEM T56.  Mine is an
aftermarket
> Borg-Warner which is the one manufactured by Tremec in Mexico.  If I went
> with the '92 setup what EPROM would I start with and how much is a MAP
> sensor?  I open to most any suggestion at this point.
>
> Jim Brady
> '87 Monte SS 383 TPI 6 speed
>
> > Yes, especially when using a scanner or diagnostics.
> > If going to the 165, then also go with the 89 Calibration, best
> drivability
> > of them all.  If your going to do that then you might just think of
going
> > whole hog, and use a 730.  Use a 92 calibration (92 Auto V-8, AUJP), and
> > have, all the tunibility, and ecm refinment possible.  If ya hunt in the
> > archives here, the is / used to be a ecm pinout for them both.  To go to
> the
> > 730 means a little kludging (rewiring not quite as gm designed), and a
pin
> > and prom change for the VSS, but can be done, and is covered, Tada, in
the
> > archives
> > Grumpy
> >    Just noticed yours is a manual, I got some info., that if you go that
> > route might help calibration wise.
> > >
>
>
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