audi 4k engine cooling / interior heating issues

[Tom B]

Kevin,
I "think" what you are talking about is changing settings on the fuel 
distributor. I have never had to  play with setting the CO on any of my CIS 
Audis. CIS cars that are vacuum tight do not need to have this adjusted.  
Usually when a setting is changed at the fuel distributor it is because 
there is a vacuum leak and the mechanic has "tuned" the car to run with the 
vacuum leak.  CIS  cars use vacuum to control idle, there is no "proper" way 
to adjust idle, AFAIK. (I'm sure if I am wrong on any of the above one of 
our friendly listers will correct me ;-)

As for tuning our cars for more performance, you can increase timing 
advance, tho (in my humble opinion) all that really does is change where the 
power band is. Some people on the list have said that they notice an 
increase of power at higher RPM's by advancing timing up to 15 degrees. 
Running performance or high octane gas is not necessary, as our cars have a 
8.5:1 compression ratio, and dont really take advantage of high octane gas.

I have read of people putting the cam from a turbo motor ( ie: a MC1 cam) 
into their normally aspirated cars, I haven't tried it so I cant say whether 
it makes a difference or not. There are also aftermarket cams available, but 
changing  the cam by itself is not going to give you (what I consider to be) 
a significant power increase.

One of the best performance mod's (considering price) for the 4kq is to 
transplant a MC1 turbo motor in from a 1984-85 Audi 5000, or to turbo the 
existing motor. Quite a few people have done tranplants, but it is not a 
straight swap and is fairly costly in time and money by the time all is said 
and done. But once you have a turbo motor in there, you can get pretty much 
what you want for power, as long as you want to pay for it ;-) Here is one 
of the websites I have found covering this swap.

http://www.geocities.com/MotorCity/Speedway/6172/4kcstq.html

As for putting a turbo on the existing motor, Mike Gough ( I think) has 
turboed his quantum synchro wagon (same  motor we have in our 4kq's)  and 
has posted some pretty impressive performance from his car, if I recall 
correctly 13.+ quarter mile times at ~ 90 MPH.

Hope this helps a bit,
Tom
<politically correct sig line deleted>


>Thanks...I'll be inspecting for the leak tonight...as
>for the heater valve...for now it's just an annoyance.
>  I'll get to it eventually.  My other headache is
>getting the CO setting right at the idle control ( is
>that right?) and I'd like to play with the timing as
>well, to take advantage of better fuel (and the perf.
>cam...if that makes any difference)
>How does one get the setting right on the CO deal?
>Trimmed back the car is a dog...but I can't tell how
>much I should adjust it with my allen wrench.
>
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