[Diy_efi] Audi CSI with ECM update?
Bobby Yates Emory
liberty1
Sun Feb 5 07:01:14 UTC 2006
Simon and Ernie,
Unless you relish the challenge, you may want to look into the
Megasguirt 2. They have a controller that is a partial kit. You can
assemble it and there are probably some people who have already
adapted it to a similar car.
Bobby
On 2/5/06, Uo Park <uopark at hotmail.com> wrote:
> Ernie,
>
> Glad to hear from you.
> i'm confidence that we can make it happen. because i'm an electrical
> engineer programming and all the electronic is not an issue for me. however,
> i'm lack of machnical knowledge, this is the only thing holding me.
> a flow rate control module can be complex sometime. however, if you look at
> how the fuel distributor works at the CIS , u will see how simple it is. i
> was thinking to use a stepper motor to control the position of a circular
> like plunger that control the fuel flow inside a circular tube. on the other
> side of the flow controller is a fuel rail connecting all 5 cis injectors.
> the input of the programmed controller are air flow, engine speed, engine
> temp., may be load and throttle position as well. some other input such as
> air temp. can be possible too.
> i have a 90 Quattro 2.2L. it has cis system. i'm sure the engine performance
> would incease since the air measure plate create a lot of counter pressure
> to the air intake.
>
> Simon
>
>
>
> >From: "Ernest Buckler" <ebuckler at icehouse.net>
> >Reply-To: diy_efi at diy-efi.org
> >To: <diy_efi at diy-efi.org>
> >Subject: [Diy_efi] Audi CSI with ECM update?
> >Date: Sat, 4 Feb 2006 21:07:45 -0800
> >
> >Simon,
> >Sounds good to me - anything to get control all in one unit, instead of
> >half
> >mechanical and half electronic as my '89 Audi 200 is right now. And be
> >able to data-log, and see & tune from a map of settings.
> >
> >I'm a good mechanical and plumbing guy, have a decent shop, can TIG weld
> >and
> >silver solder, etc., and can do good wiring, but as far as EFI theory goes,
> >I'm a no more than a parts changer so far.
> >
> >If you know how to make or design the fuel rate module, I'm in for the
> >parts
> >that I can contribute.
> >
> >Let's me know what's involved, this sounds pretty good.
> >
> >Ernie
> >
> >
> >
> >
> >----- Original Message -----
> >From: "Uo Park" <uopark at hotmail.com>
> >To: <diy_efi at diy-efi.org>
> >Sent: Saturday, February 04, 2006 5:00 PM
> >Subject: Re: [Diy_efi] Pulsing a K-jet cold start injector?
> >
> >
> > > Ernie,
> > >
> > > are you still interested at converting CIS to EFI? I'm interested to
> > > develope my own system too.
> > > there are two options.
> > > 1. replace all the cis injectors to induction injector, this option cost
> >a
> > > lot and more works need to be done.
> > >
> > > 2. this is my idea type. instead of replacing all the injector, i will
> >keep
> > > the cis injector, but make a electroncal controlled fuel flow rate
> >module.
> > > the flow rate is controlled by a programmed controller. this is to avoid
> >the
> > > costly injector and complex triggering circuit.
> > >
> > > if still interested, we can work together and get it done.
> > >
> > > Simon
> > >
> > >
> > > >From: "Ernest Buckler" <ebuckler at icehouse.net>
> > > >Reply-To: diy_efi at diy-efi.org
> > > >To: <diy_efi at diy-efi.org>
> > > >Subject: Re: [Diy_efi] Pulsing a K-jet cold start injector?
> > > >Date: Tue, 31 Jan 2006 20:32:41 -0800
> > > >
> > > >Jeff,
> > > >Any chance you've converted one of these Audis to full EFI? The CIS is
> >OK
> > > >when it works, but crazy when some little problem makes it act up.
> >I'm
> > > >ready to convert my '89 200!
> > > >Ernie
> > > > ----- Original Message -----
> > > > From: jeff matthews
> > > > To: diy_efi at diy-efi.org
> > > > Sent: Tuesday, January 31, 2006 6:51 PM
> > > > Subject: Re: [Diy_efi] Pulsing a K-jet cold start injector?
> > > >
> > > >
> > > > Thanks, didn't realize that...
> > > >
> > > > Kinda funny too cause in my driveway is 3 Audis, 2 87's and a 89,
> >(all
> > > >5KQT's)
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Best regards,
> > > > JEFF
> > > >
> > >
> > >---------------------------------------------------------------------------
> >-
> > > >
> > > > From: Torbj?rn Forsman <torbjorn.forsman at gengas.nu>
> > > > Reply-To: diy_efi at diy-efi.org
> > > > To: diy_efi at diy-efi.org
> > > > Subject: Re: [Diy_efi] Pulsing a K-jet cold start injector?
> > > > Date: Tue, 31 Jan 2006 20:07:43 +0100
> > > > MIME-Version: 1.0
> > > > Received: from nitro.got-boost.net ([216.114.79.59]) by
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> >Tue,
> > > >31 Jan 2006 11:11:02 -0800
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> >19:07:53
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> > > > Received: from localhost (HELO nitro.got-boost.net)
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> > > >relay2.port80.se (Postfix) with ESMTP id DDDD03175D6for
> > > ><diy_efi at diy-efi.org>; Tue, 31 Jan 2006 20:07:39 +0100 (CET)
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> >5876C3175CBfor
> > > ><diy_efi at diy-efi.org>; Tue, 31 Jan 2006 20:07:35 +0100 (CET)
> > > > In fact, there are some factory applications where the cold start
> > > >injector of a K-jetronic or KE-jetronic system is pulsed. For example,
> >some
> > > >of Audi's turbocharged 5-cylinder engines from the mid 80's. There, the
> > > >cold start injector is pulsed during hot starts in order to avoid the
> >risk
> > > >of starting problems due to a vapor lock somewhere in the fuel metering
> > > >arrangement.
> > > >
> > > > Anyway, i don't think the long-term reliability of a such injector
> >in
> > > >pulsed mode would be a problem. Probably, the interior parts are
> >identical
> > > >to a normal Bosch injector.
> > > >
> > > > Best regards
> > > >
> > > > Torbj?rn Forsman
> > > >
> > > > jeff matthews wrote:
> > > > >NO, But I did use it connected to a 12V adjustable boost switch,
> >and
> > > > >adjusted boost up accordingly :) [as an extra injector]
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >Best regards,
> > > > >JEFF
> > > > >
> > > > >
> > > >
> > > >
> > >------------------------------------------------------------------------
> > > > > From: /"Tomas J. Sokorai Sch." <tsokorai at xperts.cl>/
> > > > > Reply-To: /diy_efi at diy-efi.org/
> > > > > To: /diy_efi at diy-efi.org/
> > > > > Subject: /[Diy_efi] Pulsing a K-jet cold start injector?/
> > > > > Date: /Tue, 31 Jan 2006 09:24:54 -0300/
> > > > > MIME-Version: /1.0/
> > > > > Received: /from nitro.got-boost.net ([216.114.79.59]) by
> > > > > bay0-mc12-f1.bay0.hotmail.com with Microsoft
> > > > >SMTPSVC(6.0.3790.211);
> > > > > Tue, 31 Jan 2006 04:21:22 -0800/
> > > > > Received: /(qmail 613 invoked from network); 31 Jan 2006
> > > > >12:19:14
> > > > > -0000/
> > > > > Received: /from localhost (HELO nitro.got-boost.net)
> > > > > (?U2FsdGVkX1+/CcX3uYZpOR+5HXrTteEwxQlShVdrlbQ=?@127.0.0.1)
> >by
> > > > > localhost with SMTP; 31 Jan 2006 12:19:14 -0000/
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> > > > > Received: /from 201-220-125-2.bk10-dsl.surnet.cl (HELO
> > > > > mail.xperts.cl)(201.220.125.2) by
> > > > >216.114.79.61.primarynetwork.com
> > > > > with SMTP;31 Jan 2006 12:19:11 -0000/
> > > > > Received: /from mail (mail [192.168.1.2])by mail.xperts.cl
> > > > > (Postfix) with ESMTP id 420DE20BC16for
> ><diy_efi at diy-efi.org>;
> > > > >Tue,
> > > > > 31 Jan 2006 09:24:55 -0300 (CLST)/
> > > > > Has anyone tried to PWM the cold start injector of an old
> > > > >K-jetronic
> > > > > (CIS) FI?
> > > > > And if anyone has, how are the opening/closing times and any
> > > > >ideas
> > > > > about the
> > > > > durability in pulsation mode?
> > > > >
> > > > > --
> > > > > Tomas J. Sokorai Sch.
> > > > > _______________________________________________
> > > > > Diy_efi mailing list
> > > > > Diy_efi at diy-efi.org
> > > > > http://lists.diy-efi.org/mailman/listinfo/diy_efi
> > > > >
> > > > >
> > > >
> > > >
> > >------------------------------------------------------------------------
> > > > >
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--
Toward freedom,
Bobby Yates Emory
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