[V8] S4 plus - no! Breakdown of Euro C4 S-cars

[Ingo Rautenberg]

Bastian,

Thank you for the detailed clarification for us across the pond. Very much
appreciated.

-Ingo

On Sep 15, 2010 3:17 AM, "Bastian Homburg" <b.homburg at web.de> wrote:
> nope. such a thing as an "S4 plus" never existed, and the S6 plus was
> something different altogether.
>
> As far as "S-cars" variants of the C4 are concerned, we Europeans got:
>
> pre-facelift:
> - S4 2.2 sedan or Avant with AAN l520vt engine. 230 hp, UFO brakes,
> five-speed, later six-speed as option or 4-sp auto. Built from 1991
> until the C4 facelift in mid-1994.
> - S4 4.2 sedan or Avant with ABH 280 hp 32V V8 engine. HP2 brakes,
> 6-speed or 4sp ZF auto. Essentially same drivetrain as in V8 (manual
> transmission has 0.73 instead of 0.68 ratio in VIth gear though). Built
> from some time in 1992 until the facelift in mid-1994.
>
> post-facelift:
> - S6 2.2 sedan or Avant with AAN l520vt engine. 230 hp, HP2 brakes,
> six-speed or 4-sp auto. Built from mid-1994 until the C4 ceased
> production in July1997. Only variant sold in North America.
> - S6 4.2 sedan or Avant with 290 hp 32V V8 AEC engine. HP2 brakes,
> 6-speed or 4sp ZF auto. This engine is very similar to the ABH (no
> adjustable valve timing, retains distributor ignition) and just differs
> in minor details. Conforms to "EuroII" emissions standard. Built from
> mid-1994 until the C4 ceased production in July 1997.
> - S6 plus 4.2 sedan or Avant (only about 100 sedans were built, and
> 850 or so Avants). Limited-production, made not by Audi but by "Quattro
> GmbH" subsidiary like the later RS cars (Porsche was not involved at
> all). Engine code AHK, which was a thoroughly massaged and heavily
> revised variant of the corporate 4.2 that preempted a lot of the engine
> changes for in the later S8. Differences include solid lifters for
> intake valves, variable induction, distributorless ignition, 11.6:1
> compression ratio,7250 rpm rev limit, true dual exhaust with one cat and
> O2 sensor per cylinder bank that did away with the "X" cross-pipe and
> was lifted straight into the S8. Six-speed manual only (no auto
> offered!), and the HP2 brakes were increased to 323mm rotor size. Built
> from mid-1996 until the C4 ceased production in July 1997.
>
>
>
> Ingo Rautenberg wrote:
>> Wasn't that referred to as the S4 Plus and later the S6 Plus?
>>
>> -Ingo
>>
>> On Sep 14, 2010 6:41 PM, "S_Matus"<scott_matus at yahoo.com> wrote:
>>
>>> Nice to know that 1992-94 S4 can accept a V8 implant.
>>>
>>> Scott.
>>>
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