[s-cars] 034 HO Coil w/ AAN ECU?

Mike Sylvester mike at urq20v.com
Wed Dec 2 14:12:37 PST 2009 

Yes, I'm running the F5DPOR plugs.

Mike

www.urq20v.com

> -------- Original Message --------
> Subject: RE: [s-cars] 034 HO Coil w/ AAN ECU?
> From: "Brandon Rogers" <brogers at terrix.com>
> Date: Wed, December 02, 2009 4:57 pm
> To: "'Mike Sylvester'" <mike at urq20v.com>
> Cc: "'Manuel Sanchez'" <manuelsanchez at starpower.net>,       
> <s-car-list at audifans.com>
> 
> 
> Hey Mike - Yes I'm converting the 3B ignition to AAN in the urq.  I like the
> idea of the 034 HO Coils because I can use the plug wires I have (3B) which
> work great with the 7A VC - rather than the stock AAN setup with coils
> literally on the end of the plugs. Wouldn't be able to use the 7A VC...
> 
> And a few months ago I picked up (at a good price) what looks like a brand
> new 034 HO coil set from a local S-car being parted - not a spec of dirt on
> the coils or anything - I wonder if they were ever even used frankly....  
> 
> Like I said I don't really know much about the failures - and I don't care -
> they may not be related - all I do care about whether or not people are
> seeing ECU issues with the 034 HO coils setup - so far nobody has said they
> have.
> 
> Are you running the ol' F5DPOR plugs?
> 
> Brandon
> 
> 
> ----Original Message-----
> From: Mike Sylvester [mailto:mike at urq20v.com] 
> Sent: Wednesday, December 02, 2009 2:34 PM
> To: Brandon Rogers
> Cc: 'Manuel Sanchez'; s-car-list at audifans.com
> Subject: RE: [s-cars] 034 HO Coil w/ AAN ECU?
> 
> 
> By ignition chip, do you mean the eprom that gets replaced in an upgrade? I
> would find that very surprising that an aftermarket coil could cause the
> ignition eprom to go bad. That chip is not driving anything external to the
> ECU. It just contains the map.
> 
> WRT to the 034 coil solution, I have had these for a few years. You can find
> some installation photos on my site.
> http://www.urq20v.com/My_other_cars/S6/S6_repair.htm
> 
> I also went with the 1.8 coils at first and replaced 2 in 2 weeks. I now
> believe that the coil failures are due to bad plugs.
> 
> I had to have the HO coils replaced after about 10k miles.
> It seemed like something corrosive leaked out of the coil into the connector
> and melted them away. It was bad on one and starting on another.  034
> replaced them all.  It has been another 40k without an issue.
> 
> I don't know if he has changed the plug wires that he ships, but the ones I
> got, were too long to re-install the center part of the cover. I have since
> reworked some 3B wires and machined the inside of my cover so that it fits
> properly.
> 
> If you are going to use these on your 3B, the you can swap the ends from the
> 034 wires onto yours so that they fit the coils.
> 
> All in all they are working for me, but I have to think there is a cheaper
> solution out there now.
> 
> Mike
> 
> www.urq20v.com
> 
> > -------- Original Message --------
> > Subject: Re: [s-cars] 034 HO Coil w/ AAN ECU?
> > From: "Brandon Rogers" <brogers at terrix.com>
> > Date: Wed, December 02, 2009 12:06 pm
> > To: "'Manuel Sanchez'" <manuelsanchez at starpower.net>, 
> > <s-car-list at audifans.com>
> > 
> > 
> > I don't know the details - but do know the failures I was told about 
> > do _not_ have to do with being "chipped" - but the way I understand it 
> > is some AAN ECUs are failing - and it is the ignition chip within the 
> > ECU - he _thinks_ it _might_ be due to aftermarket coil systems.  
> > Again - just his theory.  That's why I'm curious about people's direct 
> > experience with this particular coil setup (034) - as I have one I 
> > plan to use...
> >  
> > So far people here seem to have had good experiences....
> >  
> > So to reiterate:
> >  
> > Facts:
> > There have been ignition chip failures in some AAN ECUs
> >  
> > Theory:
> > Might be due to aftermarket ignition (coils) - didn't say what kind - 
> > don't know if he even knows...
> >  
> > Brandon
> > '84 urquattro 20Vt
> > '01 S4
> > 
> > -----Original Message-----
> > From: Manuel Sanchez [mailto:manuelsanchez at starpower.net]
> > Sent: Wednesday, December 02, 2009 6:26 AM
> > To: s-car-list at audifans.com
> > Cc: brogers at terrix.com
> > Subject: [s-cars] 034 HO Coil w/ AAN ECU?
> > 
> > 
> > Brandon,
> > 
> > I've had the 034 HO coils on my RS2'd car for a couple of years now as 
> > well.
> > 
> > I had some initial "teething" problems that in the end turned out to 
> > be a bad ignition wire (it had a knick in it). Once that was chased 
> > down it has been trouble free (knocks on wood).
> > 
> > My OE setup failed about 15,000 miles ago, so I obviously can't 
> > compare the longevity question with regard to the OE vs 034 systems.
> > 
> > I must admit however that in the dark days on trying to chase down 
> > what the problem was with the new system I told myself that I should 
> > have just bought the more expensive OE Coils and OE POS's, after all, 
> > they lasted 100,000 miles.
> > 
> > Having said that. the 034 HO system is very simple to install, and the 
> > new ignition wire boots are of a different length that allows you to 
> > place the coil pack cover overtop them spark plug wells so you can 
> > keep the crud out.
> > 
> > 
> > I am curious though about these ECU chip failures you write about. Can 
> > you expand a bit more on what the theory or evidence has been? What 
> > aftermarket systems have "caused" or been thought to cause the Chip 
> > failures? Why does this person surmise that the coils have caused an 
> > ECU problem.
> > 
> > Regards,
> > 
> > Manny
> > 
> > 95.5 ur S6 Avant (mostly RS2'd)
> > 
> > 
> > On Dec 1, 2009, at 10:04 PM, s-car-list-request at audifans.com wrote:
> > 
> > 
> > ------------------------------
> > 
> > 
> > 
> > 
> > Message: 2
> > 
> > Date: Tue, 1 Dec 2009 14:53:55 -0700
> > 
> > From: "Brandon Rogers" <brogers at terrix.com>
> > 
> > Subject: [s-cars] 034 HO Coil w/ AAN ECU?
> > 
> > To: <s-car-list at audifans.com>
> > 
> > Message-ID: <636621FF56584C19A95437D476CAA475 at BCROGERS>
> > 
> > Content-Type: text/plain; charset="us-ascii"
> > 
> > 
> > 
> > 
> > Guys-
> > 
> > Curious what people know about using the 034 HO Coils with the AAN 
> > ECU.  Are
> > 
> > many guys here using the 034 HO Coils?  (Or mostly 1.8T coils (I don't 
> > want
> > 
> > to do the 1.8T coils)).  Do you guys know of people having any issues?
> > 
> > Reason I ask is because I know somebody who is seeing a fair number is
> > 
> > ignition chip failures within the AAN ECUs and he thinks they MIGHT be
> > 
> > related to aftermarket ignition (coils).
> > 
> > 
> > 
> > 
> > Any BTDT?
> > 
> > 
> > 
> > 
> > Brandon
> > 
> > '84 ur-quattro 20Vt - going COP
> > 
> > '01 S4
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
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