4KQ Turbo Converters Attention Please: Performance and Result ?'s

[Marc Swanson]

>  Now, enough with the tech questions, I have yet to hear from the people
> who have done this (and drive these cars) about the difference in
> performance, torque, power band change, lag, and reliability and
> driveability of these conversions.  I beleive all would enjoy some feedback
> from the fortunate ones that have the turbo converted cars.  ANYONE WITH
> ME??  What happend, how satisfied are you, any dyno results, times lik 1/4
> mile, 0-60?  who has more fun?  Give us the GOLD!!! :-)


Well, when I was running my 4ktq with stock boost and a K24 turbo (as fitted
to the UrS4 and 200 20vt) I ran about 8 seconds 0-60 with 4 people in the car
with my Gtech (AKA getto tech) pro.  Not bad for ~5 psi boost.  That was with
some port and polish work on the head and slightly larger than stock pistons.
 I anticipate much more performance from the car once I have it back up and
running again with 034efi (http://www.034efi.com) and a bigger turbo.  The
nice thing about the K24 was that it offered quick spool up, the downside
being that the maximum performance is limited due to the smaller turbine.

As a side note if I had to do it all over again I would choose a type 89
(80/90/20v coupe) over the type 85 (4000/coupe/urq).  The type 89 is just
"better" in a lot of ways that make it a better turbo candidate.  The benefit
of the type 85 is that they are probably more readily available for less $$.

I'm working on a re-made website of info on the project.  Once the car is
back together I'll be sure to post the URL.


Hope that helps.

-Marc-
87 4ktq
88 90q