[s-cars] Factory POS alternatives?

[Tony Curran]

Dave,

I've had an intermittent stumble plus I'm sure I heard some arching when
weather was damp a little while ago. I've been considering the 034 solution.
Wonder if there's a GB in the works.

Tony
96 S6

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Dave Ellis
Sent: August 1, 2008 8:24 PM
To: Robert Myers
Cc: forgied at shaw.ca; s-car-list at audifans.com
Subject: Re: [s-cars] Factory POS alternatives?



I was actually just idly curious more than anything if they might be 
interchangeable.  Assuming the A4 has four channels and the ones in our 
cars are three channels, if otherwise electronically compatible it might 
be useful to know in my case.

I acquired a couple of spare A4 POSs a while back when I had some plans 
to play around with my wife's A4 ignition system, and was thinking it 
might be useful to know in case of a POS failure down the road in the S4.

I do plan on replacing the ageing ignition system in my S4 sometime, but 
haven't yet picked a solution.  I'm actually waiting to see what comes 
of the GM LS2 coil pack solution a few have been working on in the AW 
forum, and have been eyeing some of the 034 coil pack solutions also.

I had to replace a coil a couple of weekends ago on the S4, which was 
the first part of the ignition system to go to date, so I figure the 
rest will follow in a while too.  For now though it's running ok and I'm 
in no hurry.  :o)

Dave



Robert Myers wrote:
> 
> Dave,
> 
> I'd suggest you think about doing the 1.8t coil/PSO swap ala Dave
> Forgie.  This involves getting rid of the OEM AAN ignition setup and 
> swapping in coils and integral PSOs for the 1.8t engine.  Dave has 
> designed a wiring harness to accomplish this or there are a couple of 
> commercial harnesses available which will also do the job (at more
expense)
> 
> Bob
> 
> At 07:18 PM 8/1/2008, Dave Ellis wrote:
> 
>> I haven't looked at the parts in detail yet (waiting for my wife to 
>> return with the A4 tomorrow), but I notice that the POS used in the 
>> earlier B5 A4 models is similar to the POS used in our AAN engined 
>> cars.
>>
>> Anyone know if they are compatible?  Here are the part numbers:
>>
>> S4/S6: 4A0 905 351 A
>>
>> A4:    4D0 905 351 (original p/n)
>>         8D0 905 351 (dealer recommended alternate p/n for A4)
>>
>> Thanks!
>> Dave
>>
>> '93 S4
>> '99.5 A4 1.8t _______________________________________________
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