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

[Mike Sylvester]

In the 4th picture down you can see where I used a rubber elbow and
plastic T.


Mike

www.urq20v.com

> -------- Original Message --------
> Subject: Re: [s-cars] 034 HO Coil w/ AAN ECU?
> From: Manuel Sanchez <manuelsanchez at starpower.net>
> Date: Wed, December 02, 2009 9:05 pm
> To: "Mike Sylvester" <mike at urq20v.com>
> Cc: s-car-list list <s-car-list at audifans.com>
> 
> 
> Mike,
> 
> Saw your pics on your site regarding the HO Coils.
> 
> How did you replace the "stock metal T" that gave you the clearance  
> to mount the bracket and with what did you replace it with?
> 
> FYI... The plug wire that Javad sells now are shorter in the plug  
> boot section, so now you can fit the coil cover over them, the  
> original type were longer and did not allow this (as you well know).
> 
> Regards,
> 
> -Manny
> 
> 95.5 ur S6 Avant (mostly RS2'd)
> 
> 
> On Dec 2, 2009, at 4:34 PM, Mike Sylvester wrote:
> 
> > 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
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> S-CAR-List mailing list
> >> http://audifans.com/mailman/listinfo/s-car-list
> >> http://www.audifans.com/kb/List_information
> >