[s-cars] Factory POS alternatives?

[David Forgie]

Tony:  You need to open up your coil pack and inspect it for cracked coil wires (which sounds likely).

At the very least, in the short term, wrap the wires with the cracked insulation with electricians tape to

prevent a dead short that will blow your coil fuse(s) and put you out of commission at the side of the

 road.



As for the 034 high output solution, it is a good one, but maybe overkill if you aren't making more than

 350 hp and/or aren't tracking your car.  However, if you can hold off a few weeks, there are at least

 three of use working semi-independently on the LS2 coil alternative. This will come in as a DIY under

 $400.  The thing I like about it is the coils  are available from a wide number of sources, including

 MSD.  034 coils are exclusive to them.  That  said, their individual coil price is okay at around $69.

 (Complete kit is in the $695 range IIRC). 

 

But that is just my opinion.



Dave F. 



----- Original Message -----

From: Tony Curran <tony.curran at sympatico.ca>

Date: Friday, August 1, 2008 5:29 pm

Subject: RE: [s-cars] Factory POS alternatives?

To: 'Dave Ellis' <urs4 at sympatico.ca>, 'Robert Myers' <bob at chips-ur-s.com>

Cc: forgied at shaw.ca, s-car-list at audifans.com



> 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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> > 

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