[BiturboS4] (no subject)

[j y]

thanks - i always enjoy reading your posts.

jy

--- Ti Kan <ti at amb.org> wrote:
> j y writes:
> > You have to stay on top of maintnenance with
> Porsches.
>
> Ditto with Audis.  None of these cars are
> drive-and-forget-it
> transportation appliances.
>
> > I also noticed that my turbo and intercooler are
> much
> > bigger on my 86 Porsche than the units in my Y2K
> S4.
>
> Yes, that is because your Porsche was built in the
> '80s when
> the manufacturers' philosophy of turbocharging was a
> bit different.
> '80s Audi turbo cars came with much bigger turbos
> too (K24 and K26).
> Nowadays smaller, fast spooling turbos are used to
> reduce lag and
> build boost at low RPMS.  Also, while the S4
> biturbo's intercoolers
> are small, there are two of them.  If you want
> larger intercoolers
> for your S4, swap in the RS4 units.
>
> > Hmmm..turbos & intercoolers..another casualty of
> > corporate downsizing.
>
> "Corporate downsizing" implies cost cutting, which
> has nothing
> to do with the reason why Audi uses the small K03s
> in the recent
> models.
>
> -Ti
> 2003 A4 1.8T multitronic
> 2001 S4 biturbo 6-sp
> 1984 5000S turbo
> 1980 4000 2.0 5-sp
> --
>     ///  Ti Kan                Vorsprung durch
> Technik
>    ///   AMB Laboratories, Sunnyvale, CA. USA
>   ///    ti at amb.org
>  //////  http://www.amb.org/ti/
> ///
>


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