[Biturbos4] Replacement turbos - buyin A6 2.7T with blown turbos

[robert weinberg]

so, what is the benefit of the K04? i understand they
are slightly larger. but it seems wierd KKK would have
too very similarly sized turbos. do you think, more
likely, that the K04 is a revised and tougher version
of the K03? maybe admitting the problems with the K03?

will the K04s infact last longer and end this whole
blown turbo problem?

hey, why don't i throw some K24s on the 2.7T motor? 
;-) kidding, aren't those the twin turbo porsche
turbos?

Robby

--- David Pramanik <dap128 at hotmail.com> wrote:
> K04s are (slightly) larger than the stock K03s. 
> They don't spool up faster,
> but the size difference is pretty small so the
> increase in lag is probably
> less than 500 rpm.  Peak torque will be higher with
> a K04 due to higher
> boost/more airflow, but it will be delayed slightly
> due to the small
> increase in lag.
> 
> -Dave Pramanik
> 
> 
> ----- Original Message ----- 
> From: "Michael Benno" <mbenno at yahoo.com>
> To: "David Lau" <toomanycars at mac.com>; "robert
> weinberg"
> <centaurus3200 at yahoo.com>
> Cc: <Biturbos4 at audifans.com>
> Sent: Tuesday, February 03, 2004 12:43 PM
> Subject: Re: [Biturbos4] Replacement turbos - buyin
> A6 2.7T with blown
> turbos
> 
> 
> > Your points are very good. The list is not a
> proper maket representation.
> >
> > However, regarding your comments on the spool up
> time of the K04 vs.
> K04...Most people (on Audiworld) who have done the
> conversion to K04 claim
> much faster spool up times. I can't say much about
> the torque but mathmatics
> would lead me to believe that torque is directly
> related to boost, so that
> must be higher too. To be honest I really don't know
> the mechanical
> differences between the two.
> >
> > Anyone care to enlighten me?
> >
> > Mike Benno
> > a6 2.7t MTM1
> >
> >
> > David Lau <toomanycars at mac.com> wrote:
> > Sounds like a plan to me, Robby, you may never go
> back to the SHO!
> >
> > But I do think the K03 problems are out of
> proportion on this list. What
> > percentage of biturbo owners worldwide are on this
> list, maybe 5%? and
> what,
> > 10% of us have had failures? Total guesses, you
> understand. And we're
> harder
> > on them than most, chipping and all, yet probably
> maintain them better
> too,
> > so that may wash. (How many average owners even
> THINK about that cold,
> thick
> > oil squeezing through those tiny passages at
> startup?)
> >
> > I've heard the K03s were designed for torque, not
> feindish horsepower
> > anyway. Being small, they spool quickly, and give
> full rated (stock)
> torque
> > at only 1800rpm. High rpm, sure, they run out of
> cfm to maintain high
> > boost...
> >
> > David
> > -- 
> >
> > some of you know i am lurking on this board
> > researching A6 2.7T as my potential next car
> (along
> > with the 540i 6 speed). well, what about buying an
> A6
> > 2.7T with blown turbos wholesale. either private
> party
> > or from a dealer that just wants to get rid of it.
> > then put a K04 upgrade on it and be happy?
> >
> > am i dreaming? what do you guys think?
> >
> >
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