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Additional fuel on turbo engines

On Sat, 20 Dec 1997, Mike Zamikhovsky wrote:

> sophisticated ones however work as  small standalone EFI and have great 
> adjustability potential. This however is beyond what most people will 
> bother or have ability to do. Bottom line is however that even people who 

It is alot of work, but well worth the time.

> race Audi (and finde time for tuning) finde it easier to abandon CIS than 
> to work with it. 

Agreed wholeheartedly!  However, the price is somewhat of a deterrant, 
and even a sharp engineer will have to rework the design a few times, 
and calibration is an ongoing effort, so it ends up being a perpetual 

Mine runs very well though, and all of the drivability issues that I had 
with the CIS are gone now.   Reliability is 100% better too.   Probably 
the biggest advantage though is that now if there is a fuel-related 
problem, I have the tools to diagnose the problem _exactly_ instead of using 
the shotgun approach that I had to use with the CIS.

Oh yeah, it also makes _alot_ more power than it did with the CIS  :-)

Graydon D. Stuckey 
'86 5KCSTQ w/ port EFI, 3" downpipe, 3" exhaust, GDS SS muffler (almost 
done), and a few other toys (never enough toys...)