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

Michael Benno mbenno at yahoo.com
Tue Feb 3 12:43:27 EST 2004

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


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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