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Old 12-28-2016, 02:20 PM   #1
Jcarollo765
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Car overheating on track days...(Use distilled water or WaterWetter?)

What do you guys run on track days? Distilled water only or 50/50 w/ water wetter?

Thanks
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Old 12-28-2016, 02:31 PM   #2
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What are you're mods? What was the ambient temp? What gas are you running?
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Old 12-28-2016, 02:42 PM   #3
Jcarollo765
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Quote:
Originally Posted by Cadubya View Post
What are you're mods? What was the ambient temp? What gas are you running?
Most are in my sig: K04, D088 intercooler, cold air intake etc running 91 Octane.

Last time I was at Willow car would start to over heat toward the end of each session and outside temps were only 70f...
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Old 12-28-2016, 02:56 PM   #4
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Quote:
Originally Posted by Jcarollo765 View Post
Most are in my sig: K04, D088 intercooler, cold air intake etc running 91 Octane.



Last time I was at Willow car would start to over heat toward the end of each session and outside temps were only 70f...


People have been having cooling problems with the k04 at the track. Probably because that turbo is way out of its efficiency range at tuned boost levels. Those tunes are fine doing a few rice rocket runs on the street, but repetitive lapping is a whole other story. Try running a higher octane with the 91 tune. Also, make sure your pvc is working correctly. If there's excessive blowby it'll dilute your octane rating and cause pinging or even worse detonation. Run some logs to see if it's pulling timing.
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Old 12-28-2016, 03:26 PM   #5
Jcarollo765
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Quote:
Originally Posted by Cadubya View Post
People have been having cooling problems with the k04 at the track. Probably because that turbo is way out of its efficiency range at tuned boost levels. Those tunes are fine doing a few rice rocket runs on the street, but repetitive lapping is a whole other story. Try running a higher octane with the 91 tune. Also, make sure your pvc is working correctly. If there's excessive blowby it'll dilute your octane rating and cause pinging or even worse detonation. Run some logs to see if it's pulling timing.
Will do thanks Cadubya.

Do you have a more detailed build thread besides the one in your sig? Been debating going BT and impressed by the number your car is putting down out
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Old 12-28-2016, 03:37 PM   #6
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Will do thanks Cadubya.



Do you have a more detailed build thread besides the one in your sig? Been debating going BT and impressed by the number your car is putting down out

Regrettably, I don't have a build thread. I just have my Wheelwell page. The link is in my sig. Don't get caught up on the dyno numbers. Different dynos produce different numbers. It's more about more reliable linear power delivery. BT is a huge commitment though. Especially if you piece your kit together rather than getting the off the shelf APR GTX kit.
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Old 01-07-2017, 02:56 AM   #7
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You running the heater? It helped for me to have it on


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Old 01-09-2017, 12:42 PM   #8
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I read somewhere that the water wetter stuff will rust your engine and radiator.
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Old 01-09-2017, 02:01 PM   #9
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I read somewhere that the water wetter stuff will rust your engine and radiator.
That's the opposite of my understanding. Running straight water will cause corrosion because you're missing the anti-corrosion components of the coolant. Adding water wetter to straight water would prevent that.

As an anecdote, someone on nicoclub tested it:
http://forums.nicoclub.com/diy-test-...s-t146241.html
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Old 01-09-2017, 09:27 PM   #10
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Have you removed the hood weather strip by the wipers and insulation? I found that will dissipate much of the heat. Also try wrapping the intake pipe above the exhaust manifold. Lastly, I have a modified street shield that helps with airflow. I ran my k04 car pretty hard at VIR for 30 min stretches, DSG even, with no issue.
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Old 01-09-2017, 10:40 PM   #11
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Have you removed the hood weather strip by the wipers and insulation? I found that will dissipate much of the heat.
If his coolant is overheating you don't want to reduce airflow through the radiator like that.
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Old 01-24-2017, 12:48 AM   #12
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Quote:
Originally Posted by zrickety View Post
Have you removed the hood weather strip by the wipers and insulation? I found that will dissipate much of the heat. Also try wrapping the intake pipe above the exhaust manifold. Lastly, I have a modified street shield that helps with airflow. I ran my k04 car pretty hard at VIR for 30 min stretches, DSG even, with no issue.

+1 on this, after i removed the weather strip my IAT went down almost 8 degrees. Also I noticed you have the unitronic intake which is not enclosed, hopefully you have the heat shield still on there or it could be heat soak city.
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Old 01-09-2017, 11:45 PM   #13
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Old 01-10-2017, 01:36 AM   #14
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Does anyone has tried deleting fog lamps and re-coding it? It might open up some air to the engine imo
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