quick question, typ 89

[Denis]

  A friend of mine ran a moded 4 cyl electronique systeme on a 5 cyl. It Digifan from VW. He told me the injectors fire at the same time so it can be use on 5.

  Its what i have been told. I did saw him anymore. So i can't get more info about it.

  Ðenis
    ----- Original Message ----- 
    From: Alan Pritchard 
    To: Ben Swann ; audi at humanspeakers.com 
    Cc: quattro at audifans.com 
    Sent: Wednesday, April 13, 2005 10:00 AM
    Subject: RE: quick question, typ 89


    Stupid question.....
    But wouldn't the 4cyl loom/electronics run on the 5cyl engine? 
    At the end f the day the ecu doesn't care how many sparks per cycle
    there are, it only sees and deals with individual sparks.....
    am I being stupid?

    Best Regards
    Alan Pritchard 
    Network Administrator 
    R&M Electrical Group Limited 

    Tel: +44 (0)23 8068 5668 
    Mob: +44 (0)7870 164812
    web: www.rm-electrical.com 


    -----Original Message-----
    From: Ben Swann [mailto:benswann at comcast.net] 
    Sent: 13 April 2005 14:39
    To: audi at humanspeakers.com
    Cc: Alan Pritchard; quattro at audifans.com
    Subject: Re: quick question, typ 89

    Huw,

    The system I pulled from '89 model 80 was not Motronic, but a late
    version
    of mechanical fuel injection with knock sensing, essentially the 4 Cyl
    version of CIS-E3.  To my surprise, there was only one control unit
    which
    integrated the fuel and ignition systems - everything goes to one brain.

    Ben
    ----- Original Message -----
    From: "Huw Powell" <audi at humanspeakers.com>
    To: "Ben Swann" <benswann at comcast.net>
    Cc: <alan.pritchard at rm-electrical.com>; <quattro at audifans.com>
    Sent: Wednesday, April 13, 2005 3:30 AM
    Subject: Re: quick question, typ 89


    >
    > > Yes, the M80 is also CIS E-3 and the major difference is that the 90
    is
    a
    > > 5cyl and 80 is a 4cyl in most cases.
    >
    > According to a quick skim of my Bentley, as per memory, the 4 cyl
    (USA)
    > id Motronic, not CIS.  IE, completely incompatible.
    >
    > > In the M80 I pulled a engine
    > > management harness and control unit - there was only one control
    unit.
    In
    > > the 87.5 the fuel and ignition units were separate.  They may have
    > > integrated them in later versions.
    >
    > Every CIS-E3 car I've cut into has two control units - one for fuel,
    one
    > for ignition.  In fact, my 90Q came to me with an 87.5 ign. computer
    > installed, that I sold the local tech to get it running again.  Fuel
    in
    > one place, ignition buried in the right kick panel where windshield
    > leaks will kill it...
    >
    > In short - as far as USA models go - the 4 cyl is Motronic and
    > completely incompatible with the 5 cyl CIS-E3 system.
    >
    > As far as the ROW is concerned, well, we don't know for sure... they
    > won't tell us on the news, what's happening out there....
    >
    > --
    > Huw Powell
    >
    > http://www.humanspeakers.com/audi
    >
    > http://www.humanthoughts.org/


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    Message from: Alan Pritchard
    Message to: recipient
    Date: 13/4/2005

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