[Diy_efi] RE: Dropping Subaru injectors for economy

[Lee M. Lemoine]

ok, enough side tracking on this subject,it was purely theoretical.  There
are many things preventing this from happening ;)

--LL

On 1/31/06, Tom Visel <five10man at commspeed.net> wrote:
>
> He's going to have a MIL on anyway, when the PCM's misfire monitor notices
> that the engine doesn't speed up appropriately when the cylinder in question
> comes around in the firing order.  The only way around this issue will be to
> ensure that the misfire monitor's enabling criteria are not met.  IDK what
> those are for this particular vehicle; a Subie tech could look it up.
>
> TomV
>
>
> John Smith wrote:
>
>
> Ideally you would have some sort of vavletrain control to minmize pumping
> losses on the inactive cylinders. Since nothing short of electronic valve
> actuation does, those dead cylinders will be like driving an air compressor.
> I think the resulting economy gain would not be worth the trouble. If your
> Legacy is turbocharged, this could actually be a dangerous thing to do if
> you lean out a cylinder under boost. If you did do it, you would also need
> to simulate the unused injectors or you will get a check engine light.
>
> Message: 1
> Date: Sun, 29 Jan 2006 21:01:31 -0500
> From: "Lee M. Lemoine" <llemoine at gmail.com> <llemoine at gmail.com>
> Subject: Re: [Diy_efi] 10hp injected turbo
> To: diy_efi at diy-efi.org
> Message-ID:
>     <bedc2dea0601291801p51147461gbe80cd0f85d0f820 at mail.gmail.com><bedc2dea0601291801p51147461gbe80cd0f85d0f820 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I just bought a 2006 Subaru Legacy GT Limited... 2.5 liter DOHC with VVT,
> turbocharged and intercooled.  I get about 17 mpg with a 5 speed auto
> transmission, and a fair amount of jackrabbit starts (hey, i haven't found
>
> anything that pulls on me yet!)...
>
> Either way, i would love to drop a cylinder and see twice or three times
> the
> economy...  maybe i can toggle a switch just not to fire the injectors or
> ignitors for one of the cylinders ;)
>
>
>
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--
Sincerely,

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