THE QUEST: Looking for cheap 20v turbo motor

Ti Kan ti at amb.org
Mon Nov 24 08:34:41 EST 2003


> My question is why doesn''t someone put the 1.8T at ~225 HP into a 4000Q?
> or tweek it to about 280 which is chipped 3B land?

This is because such a swap is not simply an engine change.  It entails
virtually a redesign of the 4000q's underhood arrangements and much of the
engine management electricals.  It's going to cost a pretty good sum to
do and a lot of work.  A change to a good turbo I5 will ultimately yield
better results with less cost and work.

Believe it or not, it would actually be easier to "put" the 1.8T into
a 4-cylinder 4000S, but there is still the problem of all the electricals.
Also, the resultant power increase would make it a handful on a non-quattro
car without ABS and traction control.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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