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2004 Z06 Thermostat

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Old Aug 3, 2004 | 08:39 PM
  #1  
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From: Oklahoma City OK
Default 2004 Z06 Thermostat

Last night I installed the 160 degree thermostat I purchased from tbyrne. Prior to this the vehicle would run at 194 to 198 degress. Now, even in 100 degree heat, the vehicle runs at 178 to 182 degrees. I have a Hayden fan kit on the vehicle.

I understand that there is much discussion concerning operating temperatures. I am more comfortable now then before - really wasn't looking for or expecting any performance gain.
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Old Aug 3, 2004 | 08:55 PM
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I installed a 170 T-Stat and it runs around 187 on a high 90 day.
From what I was told it ok to run a lower temp but not to low on the LS-1. What is to low, I don't know. But I also like seeing the low temp over the normal 198+ when driving on the turnpike.
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Old Aug 3, 2004 | 09:51 PM
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I also run a 160* stat with temps down to 178*. It will be too low in the winter, perhaps 170*. I plan on installing a 180* when they become available.
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Old Aug 3, 2004 | 11:09 PM
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there is no benefit to running your engine cooler, and it probably increase emmisions. If you were doing track events, the extra cooling is nice, but no real benefit for a street car.

but, if you're happy, I'm happy!
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Old Aug 4, 2004 | 11:17 AM
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I will probablly purchase one of these to help keep the temps down.

I have seen as much as a 15rwhp swing on the dyno going from 180 temps to 200+ temps.

My car is very heat sensitive.

Brandin

04 C5 6spd
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Old Aug 4, 2004 | 06:56 PM
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Originally Posted by Brandin
I will probablly purchase one of these to help keep the temps down.

I have seen as much as a 15rwhp swing on the dyno going from 180 temps to 200+ temps.

My car is very heat sensitive.

Brandin

04 C5 6spd
It is very sensitive to air intake NOT engine temp. I have been to two dynos, Each owner/operator said the same thing and the results to prove it. The LSx produces the most power with a hot engine... cool intake...
This was proven on my first dyno run when I got there early so it would be cool for the first run... It ran better on its 3rd pull when it was up to operating temps and then some....
mike
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