[s-cars] 1.8T coil woes

[Nicholas]

go 2.0T coils, no plastic modification necessary and from what i've
heard they are somewhat more reliable... and in some cases cheaper.
but i can't weigh in on the kind of mileage you are seeing (i've only
had them for about 3k).

cheers,
-nick

On Tue, Nov 1, 2011 at 1:25 PM, ron kirkham <rkaudifool at gmail.com> wrote:
> So I have been running the Apikol 1.8T coil conversion on my '93 S4 for
> several years now, probably about 75-80k mi. (I'd need to check for sure) I
> have replaced all coils at least twice and some three times since
> installation.  Last week I'm running some errands and did a very short 2nd
> gear full throttle pull and got the all-too familiar drop of a cylinder
> only worse.  I Limp home about 5mi. and park and leave the engine running.
> Very bad idle and very stinky exhaust.  Turns out that I somehow dropped 3
> coils at the same time!  Fortunately, I actually had three replacement
> coils on the shelf and got her running smoothly again.  I should mention
> that all coils were, and are now the "R" suffix coils.
>
> I don't think I want to re-order more 1.8T coils to have on the shelf for
> the next failure which is sure to be soon.  I'm tired of it.  I am
> considering going back to the old set-up of PSO's and coils as I have all
> those parts on hand including one or two stock coils NIB. And one NIB PSO.
> Or, I may make the leap to the LS2 set-up from EFI Express or build my
> own using these known good coils.  Or, are there other options to look at?
> Money is a consideration but I have spent a boat-load of cash on 1.8t coils
> over the last several years.
>
> For those of you running the LS2 coils, have there been coil failures?  If
> so, how frequently?
>
> I don't much like the idea of going back to the stock set-up as diagnosis
> of failures between coils or PSO's is more difficult and replacement of
> coils is troublesome also.
>
> The S4 will have 250k mi. on it sometime this month provided I can keep it
> running!
>
> Thoughts?
>
> Ron
> '93 S4 with too many coils gone bad
> '95.5 S6A still fully stock ignition and running fine thanks.
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