Took the rejuvenated 4kcsq on the autobahn

[larry leung]

One trick is to read the speed at say 2K RPM. IF the speedo reads 40 MPH at 2K RPM (as did my old '84 US 4KQ), then if it's turning 4K RPM it's doing 80, at 6 K RPM it's doing 120, and at 6500 RPM it's doing 

6500/2000 = x / 40 

x = 130 MPH

It's not totally accurate, but it's a good ballpark.

Note, at least in the US, the 85 and later 4KQs had taller gears, thus more speed at a given RPM.

LL - NY

------Original Message------
From: "max dombroski" <m_dombroski at hotmail.com>
To: quattro at audifans.com
Sent: August 21, 2000 2:04:44 AM GMT
Subject: Took the rejuvenated 4kcsq on the autobahn


I just got back from a week in Germany with my now 2.6l 4kq.  I had a TSR 
engine installed a couple of months back when the old  tired 2.2 oil pump 
died.  I was informed that an oil cooler would be recommended but the temp 
had not been over 130 when I was driving in the U.K. The car is clearly much 
faster and It seems I will need to get an oil cooler as the oil temp quickly 
started heading to the top on the autobahn.  I was able to reach 6500rpm in 
5th before the temp got to the point where I had to back down and I think as 
long as there is no headwind the car will reach redline. Does anyone have 
recommendations regarding installation of an oil cooler for a non turbo car. 
  I was looking a AMSOL remote dual filter setup and thought maybe the 
cooler could be fitted in line with that. I am also wondering exactly how 
fast the old car was going on the autobahn as the U.S. Speedo was pegged and 
I do not recall the formula for computing speed using gear ratio and rpm. It 
was fun looking at the surprised faces of people as I passed by though.  The 
only problem I had other than the oil temp at full throttle was that after 
living in the U.K. for three years and never needing the A/C I was wishing I 
had the belt connected as it was much warmer on the continent. I saw lots of 
Audis and quite a few s-cars but no RS-quattros on this trip. It is always 
nice to have a roadtrip when the Audi gods are not angry (knock on wood).
Max Dombroski
m_dombroski at hotmail.com
87 4kcsq in U.K.

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