[s-cars] Alternative to our 4A0 905 351A POS units

[Dave Forgie]

Emre: I must have ignored your Audiworld post as I was in the midst of my 1.8t
Coil Pack conversion.  I just went through the thread on AudiWorld. You did not
post the part number and your testing was only at idle.  Didn't really prove
much other than the plugs connect.  You should have taken the car out and
determined if they worked under all conditions.

Too bad.  Many people will have paid too much for POS replacements in the mean
time.

Dave F.

Emre Washburn wrote:

> Dave,
>
> I posted on Audiworld, in August of last year, about using Audi V6 12v
> POS's on the AAN. So this is a bit of old news. Did you miss the post?
> If so, here it is:
>
> http://forums.audiworld.com/s4s6/msgs/78232.phtml
>
> --
> Emre
> 92 //S4
> 90 Cq
> 40 valves 'O plenty!
>
> On 2/16/06, forgied at direct.ca <forgied at direct.ca> wrote:
> > No. I don't mean 1.8t coil packs, necessarily.
> >
> > Earlier this week, Pop (from Thailand)on AudidoodiWorld was wondering
> > whether the 4A0 905 351 Power Output Stage (POS) from a 92-97 wasted spark
> > (fires two cylinders at once) V6 ignition system would work on our cars,
> > as a substitute for our 4A0 905 315A POS units. I was skeptical having
> > never seen one. Bar1 from Europe said it would work. Pop said it would
> > work. SA UrS4 from South Africa said it would work. I wanted more info
> > (e.g. a picture).
> >
> > Today, at lunch, I went over to VM Autohaus to see one of these brown
> > Hitachi-made 4A0 905 315 POS units that Kris has in stock for his V6
> > customers. Sure enough the 315 Hitachi is very close to the 315A Bosch.
> > The Hitachi is slightly longer but the pins seem to be the same (I
> > compared it two my old POSs that are still mounted on the firewall (but
> > not being used)).
> >
> > Looking at the front side, the pin lables are as follows:
> >
> > E1_E2_E3 at the three pin end and
> >
> > I1_I2_G_I3 at the four pin end.
> >
> > I don't have my pin out info handy so I can't confirm 100% that the pin
> > outs are the same. I will do that tonight at home and report back.
> >
> > For giggles, I asked Kris to check the pricing on the 315A (our OE number)
> > and the 315 (the V6 POS). My price (in $CDN) would be $320 for the 315 A
> > (S4/S6) and $175 for the 315 (V6) POS.
> >
> > For comparisons, the $320 315A price for the single POS is about what I
> > spent for my entire 1.8t coil pack conversion. The $175 single 315 price
> > is about what I paid for five 1.8 t 115L coil packs (that have built-in
> > POSs).
> >
> > Oops.  Sorry, some 1.8t coil pack stuff did creep in after all.
> >
> > Dave F.
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