A6 4.2L - pros and cons?

[5ktqm]

Tony... It wasn't just the sport quattro that received the alum.  
Block... Euro only urq's and 200's were fitted with aluminum blocks  
for homoglaten purposes then during service periods were then removed  
and placed in their Motorsports cars.

Sent from my iPhone

On Jan 5, 2009, at 11:41 PM, "Tony Hoffman" <auditony at gmail.com> wrote:

> Yes, the V8 was the first mass production alluminum block. Before
> that, only the Sport Quattro road and rally cars had alluminum blocks.
>
> The "AVUS" concept car was the one that was all aluminum, also had the
> first "W" shaped engine. In this case, it was not based on teh "VR"
> engines that the production W engines are. It was, in fact, an engine
> with three inline fours, staggered in the shape of a "W", with a total
> of something like 144 degrees, IIRC.
>
> The A8 went into production in 1994, came to the US in 1997, I
> believe. I have some magazines that cover it, but I'd have to dig them
> up. It was based on the "ASF" concept car, which was produced in about
> 1992.
>
> Tony
>
> On Mon, Jan 5, 2009 at 7:53 PM, Mark J. Besso
> <mbspeed at maxboostracing.com> wrote:
>> I think the big deal with aluminum on the original V8Q was they  
>> used it for
>> the engine block.  I believe all previous Audis used cast iron  
>> blocks.
>>
>> For major chassis use of aluminum it would be the intro of the A8  
>> as far as
>> production cars.  I think they experimented with it for the Quattro  
>> Spyder
>> concept car for both chassis and engine block in the early '90s.
>>
>> ~Mark
>>
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