180 Thermostat - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 12 (permalink) Old 12-05-2016, 12:34 PM Thread Starter
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180 Thermostat

We had a really hot summer and I noticed engine temps above 215 at idle or traffic. I plan to do a good flush and drop a 180 degree thermostat - anyone just pull the stat completely?
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post #2 of 12 (permalink) Old 12-05-2016, 01:18 PM
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You will get a check engine light.
You will also have a possible leak at the stat housing.
Tom


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post #3 of 12 (permalink) Old 12-05-2016, 05:57 PM
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4+ years, no CEL, no leaks.
The benefit with the stat only will be at highway speeds only. If you're gonna put in a 180* stat, buy a tuner so you can lower the fan settings to take full advantage.


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post #4 of 12 (permalink) Old 12-05-2016, 05:57 PM
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Quote:
Originally Posted by dandecker2 View Post
We had a really hot summer and I noticed engine temps above 215 at idle or traffic. I plan to do a good flush and drop a 180 degree thermostat - anyone just pull the stat completely?
you sure that was your coolant temp? Most look at the oil temp gauge and think that is the coolant temp.
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post #5 of 12 (permalink) Old 12-05-2016, 09:30 PM
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you sure that was your coolant temp? Most look at the oil temp gauge and think that is the coolant temp.
You have to go into the evic if you have that option to see the oil temp. The gauge display shows the coolant temp.


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post #6 of 12 (permalink) Old 12-06-2016, 05:17 AM
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anyone just pull the stat completely?
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Originally Posted by wasp392 View Post
4+ years, no CEL, no leaks.


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You have completely removed your thermostat and have no CEL and no leak? I find that hard to believe.
I had a temp code once with a 180 deg stat in my IE 392.
I am impressed. You must live in a very warm climate. How did you keep it from leaking?
Tom.
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post #7 of 12 (permalink) Old 12-06-2016, 09:08 AM
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You have completely removed your thermostat and have no CEL and no leak? I find that hard to believe.
I had a temp code once with a 180 deg stat in my IE 392.
I am impressed. You must live in a very warm climate. How did you keep it from leaking?
Tom.

Lol. I must of not read the last part. My bad. I'd not recommend pulling the stat completely. Yeah, if you live where it gets really cold in winter, you'll probably get a CEL. Most people just swap the stat during winter.


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post #8 of 12 (permalink) Old 12-06-2016, 10:40 AM
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If you remove your stat, how does your engine warm up in the winter and cool in the summer?

I might be wrong about this but, I thought, and that gets me in to trouble, that without the Thermostat the coolant would just keep circulating so in the Winter the Coolant would not stay in the engine long enough to heat and in the summer it would not stay in the radiator long enough to cool.
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post #9 of 12 (permalink) Old 12-06-2016, 11:00 AM
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Pulling the t-stat can actually cause overheating because the coolant flows through the radiator too quickly and can't shed enough heat, plus when the coolant doesn't get up to ~170F within about 10 minutes you'll get a CEL.

215F coolant temps have nothing to do with ambient temps and everything to do with the stock t-stat, that is what these engines typically run at for emissions/efficiency reasons. Installing a 180 t-stat without adjusting the fan temps won't do anything to help low speed/idle coolant temps since the fans won't come on any sooner.

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post #10 of 12 (permalink) Old 12-06-2016, 11:14 AM
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Originally Posted by Yahooligan View Post
Pulling the t-stat can actually cause overheating because the coolant flows through the radiator too quickly and can't shed enough heat, plus when the coolant doesn't get up to ~170F within about 10 minutes you'll get a CEL.

215F coolant temps have nothing to do with ambient temps and everything to do with the stock t-stat, that is what these engines typically run at for emissions/efficiency reasons. Installing a 180 t-stat without adjusting the fan temps won't do anything to help low speed/idle coolant temps since the fans won't come on any sooner.
110% Correct
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