[Diy_efi] 1.3l TBI project

Fri Jan 27 00:13:25 UTC 2006

That should be fairly easy.  Any GM TBI computer can be setup.  The cavalier
is fine, because the cylinder select is pre-set.   If your looking for
electronic spark timing, maybe the newer '90 or so TBI with DIS would be the
way to go?  (cavalier)

-- LL

On 1/26/06, John EFI Project <efi.project at gmail.com> wrote:
>
> I want TBI. It will be the easiest to setup on my samurai and I might be
> able to make it look factory enough to pass the california smog.
>
> John
>
>
> On 1/26/06, Lee M. Lemoine <llemoine at gmail.com> wrote:
>
> > I think the real thing you'd want to find out is if you want to do TBI,
> > MFI, or SFI.  That will hold the real answer one way or another.  Then you
> > can pick your computer and start adapting.
> >
> >
> >
> > On 1/25/06, John EFI Project < efi.project at gmail.com> wrote:
> > >
> > > would a 2.0 gm ecm work as a starting point better then the one out of
> > > a 1.8?
> > >
> > > John
> > >
> > >
> > >  On 1/25/06, Steve Ravet <Steve.Ravet at arm.com > wrote:
> > > >
> > > > John wrote:
> > > >
> > > > I have been reviewing the info available in this group making or
> > > > adapting an TBI system from a GM 1.8l.
> > > > I was wondering how much of the programming I would or might have to
> > > > change(if any) to make this system work on a 1.3l motor. I have the
> > > > computer, TBI, wiring and all the sensors from a 1985 chevy cavalier
> > > >
> > > > with a 4 speed. This project is going into a 1987 suzuki samurai.
> > > >
> > > > Tom wrote:
> > > >
> > > > According to my Mitchell On-Demand, an '85 4-cyl Cavalier should
> > > > have a
> > > > 01226867 ECM.  The factory spec'd different PROMs for auto, 4-, and
> > > > 5-speed cars, as well as Cali and 49-state, but it appears that they
> > > > all
> > > > have the same brain.  Your factory distributor pickup should drive
> > > > the
> > > > EST ignition module with no problem.
> > > >
> > > > -----------------------------
> > > >
> > > > John, here is a WWW page that you should be familiar with.
> > > >
> > > > www.cruzers.com/~ludis <http://www.cruzers.com/%7Eludis>
> > > >
> > > > click on C3 cross reference (C3 is the first generation GM computer,
> > > > what the cavalier had)
> > > >
> > > > Under 1985 there is a 1.8L shown with computer 1226864, and a 2.0shown
> > > > with 1226867.  Don't know which the cavalier used but you should
> > > > have
> > > > one or the other.
> > > >
> > > > Google doesn't show me anything for tuning either, but I did find
> > > > this
> > > > in the gmecm archives:
> > > >
> > > > "I managed to get a 747 to run a single injector tbi 4cyl. by
> > > > swapping
> > > > netres out of a 1226867, tuning it is another matter, there are no
> > > > other
> > > > editor readable 4cyl. bins to compare to that I know of..If tunercat
> > > > has
> > > > a
> > > > definition file for a 4cyl 730 Id go that route..As far as getting a
> > > > 747
> > > > to
> > > > run 4 injectors Id have no clue..
> > > > Dan"
> > > >
> > > > I would agree that finding sensors and getting the distributor to
> > > > trigger the ECM are bigger concerns than tuning the difference
> > > > between
> > > > 1.8 and 1.3.  Also, the 1227165 and 1227730 were used in 4 cyl
> > > > applications and are more modern that what you have, so there may be
> > > >
> > > > tuners available.  Try a google search and find what turns up.
> > > >
> > > > Finally, questions about GM are probably better asked on the gmecm
> > > > list.
> > > >
> > > > --steve
> > > >
> > > >
> > > > -- IMPORTANT NOTICE: The contents of this email and any attachments
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> > > > information in any medium.  Thank you.
> > > >
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> >
> > --
> > Sincerely,
> >
> > Lee M. Lemoine
> > http://www.turbochargedsoul.com/
> > http://www.snefools.org/
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--
Sincerely,

Lee M. Lemoine
http://www.turbochargedsoul.com/
http://www.snefools.org/
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