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Overheating - Maybe? IDEAS?

 
Old 05-16-2019, 06:16 PM
  #16  
MajicB
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Originally Posted by murphyslaw1978 View Post
Save your money.

Past the zero is probably not 105C. The second line between 180 and 250 would calculate to be close to 110C, but it’s actually closer to 102 on my car. Please check DME readings, not the Audi HVAC panel or dash.
This is great info, thanks! I just assumed the "HVAC"reading was what the DME would be..
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Old 05-16-2019, 06:20 PM
  #17  
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Originally Posted by MajicB View Post
Greetings,

I am very interested in this thread - I recently purchased my '99 and am somewhat concerned about running temps.
Read post #6. Or search my name for my cooling resolution. The center rad, and low temp thermo was by far the best investment ever. Lower engine temps, higher oil pressure, better fuel econ, better AC cooling, less fan running, etc. I live in TX and I couldn't get it past the 8 on the gauge on the hottest day, in bad traffic, with the AC on full.
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Old 05-16-2019, 09:14 PM
  #18  
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These are my temps using the AC hack for temp:

85 deg = highway
90 - 100 deg = stop and go
100 - 115 = track in hot weather

After a track session my hughway temps are 100 for a while. I think this is because the oil is super hot. I get the feeling that the oil is getting a bit to hot when tracking these cars and the water system doesnt have enough capacity to remove it.
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Old 05-17-2019, 12:19 AM
  #19  
murphyslaw1978
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Originally Posted by MajicB View Post
This is great info, thanks! I just assumed the "HVAC"reading was what the DME would be..
That’s what I thought too, but if you pull from ODBII or Durametric, the readings are different.
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Old 05-17-2019, 12:21 AM
  #20  
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Originally Posted by turbogrill View Post
These are my temps using the AC hack for temp:

85 deg = highway
90 - 100 deg = stop and go
100 - 115 = track in hot weather
I would not trust the AC hack. I would use Durametric or an ODBII sensor to pull the data and then confirm back how that correlates to the temps you mentioned above.
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