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Old 02-12-2018, 06:22 PM   #1
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180 thermostat

I have a 2015 Hemi Ram I want to put a 180 thermostat in. Is there anything else that needs to be done like fan limits etc. Or can I just put in the 180 thermostat.
Any one have the 180 Tstat in cold weather how is it with heating up and defrosting the windows.

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Old 03-04-2018, 04:38 PM   #2
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Originally Posted by Billpj View Post
I have a 2015 Hemi Ram I want to put a 180 thermostat in. Is there anything else that needs to be done like fan limits etc. Or can I just put in the 180 thermostat.
Any one have the 180 Tstat in cold weather how is it with heating up and defrosting the windows.
I just put a 190* tstat in my truck because I live in New England and didn't want to risk a 180* tstat not making enough heat in the winter. Yes you will need to change your electric fan to a lower temp using a tuner because the factory setting for the electric fan is I believe 221*. So without changing that it will most likely never turn on with a 180* tstat.
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Old 03-04-2018, 10:19 PM   #3
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Old 03-06-2018, 03:11 AM   #4
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Just one note about thermostats. You need to drill a small hole at the top of the thermostat to help vent off the air in the engine when you fill it back up again. This is a problem that happens allot. That way you don't start and run an engine with a big air pocket in it and over heat it.
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Old 03-06-2018, 05:33 AM   #5
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Just one note about thermostats. You need to drill a small hole at the top of the thermostat to help vent off the air in the engine when you fill it back up again. This is a problem that happens allot. That way you don't start and run an engine with a big air pocket in it and over heat it.
The Hemi thermostats have a jiggle pin at the top of the thermostat to help bleed air from the system so no drilling is required.
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Old 03-06-2018, 11:12 AM   #6
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I installed a Jet 180 degree thermostat several years ago, I was tempted to remove the jiggle pin, leaving a small hole in the thermostat body, but I opted to leave it alone. I orientated the hole at 12:00 position.
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Old 03-06-2018, 08:35 PM   #7
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I drill if nothing there and remove pin if it’s there works much better with a small hole
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Old 03-06-2018, 10:01 PM   #8
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I drill if nothing there and remove pin if itís there works much better with a small hole
If I find a reason to remove the thermostat housing, I will remove the dingle from the thermostat. I hope I don't have a reason to make that modification.
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Old 03-07-2018, 05:03 PM   #9
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I fall into remove the jiggle and then drill the hole to 1/8" camp.
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Old 03-13-2018, 11:31 AM   #10
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I just by regular and drill it myself
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