[Diy_efi] Geo Storm ECU revisited

Jorge Garcia fortee9er at yahoo.com
Thu Jun 13 13:46:40 GMT 2002


Hi,
I am new on the list I want to learn more about efi
and turbos. I have not seen the book "Turbomania", who
is the author? I have the old McGinnes book from the
late 70s and Corky Bell's Maximum Boost but did not
know of this book's existence.
Thanks
Jorge

--- Bobby Riggs <bobbyriggs at yahoo.com> wrote:
> Aircooled VW's.  The book Turbomania shows the
> ECU wiring diagram and how they 'cheated' by
> using pots on the MAP and TPS.  Its a well known
> 'secret' on the shoptalkforums.com that this is a
> warmed over geo ECU that CBPerformance sells with
> their kits.  TurboCity uses a 'corvette' ECM that
> looks like a 727, reprogrammed for turbo 4 cyl
> use.
> 
> 
> True I have only SEEN it used on turbo cars,
> however I have heard of a "competition EFI" kit
> that is NA from CB. check out their website.
> -Bobby
> 
> --- justin ivan <vlkslvr at hotmail.com> wrote:
> > 
> > Where have you ever seen this ecu used non
> > turbo VW cars??? Are youn 
> > referring to watercooled VW engines? I'm pretty
> > well versed in VW's and have 
> > never seen this used. Certainly doens't mean it
> > isn't just looking for more 
> > information
> > Justin I
> > 
> > >From: Bobby Riggs <bobbyriggs at yahoo.com>
> > >Reply-To: diy_efi at diy-efi.org
> > >To: diy_efi at diy-efi.org
> > >Subject: [Diy_efi] Geo Storm ECU revisited
> > >Date: Wed, 12 Jun 2002 09:46:02 -0700 (PDT)
> > >
> > >Good morning,
> > >
> > >
> > >    I have searched high and low and can find
> > >LITTLE info about these ECU's.  I know there
> > was
> > >a guy with a Aircraft project using one, and
> > >someone on this list wanting to use one.  I
> > now
> > >have 2 of them, one '90 Storm 12-Valve (4cyl,
> > >SOHC?), and a '92 same engine.  I know they do
> > >not have a traditional EPROM  (27C)  instead
> > they
> > >use large square (QFP?) packages.  I would
> > like
> > >help programming this or building a interface
> > for
> > >my programmer to hook up to.
> > >
> > >  Most companies that use this ECU (for Turbo
> > VW
> > >use) simply put a pot on the MAP sensor input,
> > >and on the TPS and label it LOW and HI. Some
> > have
> > >4 knobs but, I'm not sure where they tie in
> > at.
> > >Would this be enough for tuning a NA 2.0L Type
> > 4
> > >VW  engine?  I would like to turbo it soom as
> > >funding allows, can I just stick a 2 bar MAP
> > on
> > >it, or does it need programming also?  Thanks
> > for
> > >any help you guys can provide!!
> > >-Bobby
> > >
> > >
> >
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