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Old 09-14-2014, 12:21 AM
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Mishimoto - 3.6L 180 degree thermostat & extra cooling capacity options

It appears we have a major player in the game.

Jeep Cooling Performance Parts

Jeep Wrangler 3.6L Racing Thermostat, 2012+, by Mishimoto

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Old 09-14-2014, 12:31 AM   #2
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I had a mishimoto radiator in my 350Z, it was good stuff.

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Old 09-14-2014, 07:17 AM   #3
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Ditto, mishimoto thermostat in my 350z track car as well.

Dunno if I would put one on a normal vehicle though.
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Old 09-14-2014, 03:39 PM   #4
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Old 09-14-2014, 06:59 PM   #5
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its good to see some "under the hood" mods finally.
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Old 09-15-2014, 09:50 AM   #6
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What about fan settings? Will this thermostat actually help without resetting factory preset fan temp settings? On my Hemi Charger I needed to adjust the fan temp settings with a handheld programmer to realize lower running temps after installing a similar temp thermostat replacing a 203* factory thermostat. Additionally, every now and then I would get a code for thermostat if the car didn't warm up quick enough. This was with a 170* stat so not sure the same issue would apply here with a 180*
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Old 09-15-2014, 10:35 AM   #7
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Damn, they do not spec the radiator for 2012-2014 automatics.
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Old 09-15-2014, 10:57 AM   #8
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Seriously tempted to take a run at that thermostat!!!
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Old 09-15-2014, 12:42 PM
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Damn, they do not spec the radiator for 2012-2014 automatics.
I would call them... the website was just updated.

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Old 09-15-2014, 01:53 PM   #10
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Warrantied against damage from an accident too! Oh so tempting.
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Old 09-15-2014, 03:55 PM   #11
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I dunno that I would lower the thermostat temp on a vehicle that doesn't have overheating issues from performing high performance tasks. If the ecu is expecting a certain operating temp and the engine never makes it there, it will throw a cel and can put the engine in limp.

You'll also need to lower your oil viscosity for the cooler engine temp. It can lower your Fuel effeciency if the engine has to chug a lug through thick cold oil.
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Old 09-15-2014, 04:50 PM   #12
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It really has less to do with 'thick' oil & more to do with removing condensated water.

Even the driest air contains some moisture (water). This moist (humid) air will naturally condense via temperature changes (especially in the oil pan). To remove this accumulating moisture (water) certain engine operating conditions must be met, an important one being engine temp..

To 'burn/evaporate' off this unwanted moisture (water) accumulating in the oil, the temperature must be brought to a certain level for a certain amount of time (calculated by Engineers, who do this for a living) so the oil can 'boil' away this contaminant, otherwise the lubricating quality of the oil will be severely diminished by the presence of this WATER (water is not a good engine lube).

Hope this helps some of you understand why it's so important NOT to alter certain basic engine operating parameters (ie-operating temperature) without good reason..
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Old 09-15-2014, 05:44 PM   #13
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Maybe an issue in the winter... But I can tell you here in the Arizona summer, the electric fans are full blast within 10 seconds of starting the Jeep in the morning and stay that way the entire day. When it's 115 outside, it's real easy to get to 200+. That thermostat is just allowing flow earlier, it's not saying that it will regulate the temperature to 180. You would have to be assuming that the cooling system was that efficient, which I do not believe it is.

I do run a 180 on my Miata without any issues.
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Old 09-15-2014, 06:55 PM   #14
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Maybe an issue in the winter... But I can tell you here in the Arizona summer, the electric fans are full blast within 10 seconds of starting the Jeep in the morning and stay that way the entire day. When it's 115 outside, it's real easy to get to 200+. That thermostat is just allowing flow earlier, it's not saying that it will regulate the temperature to 180. You would have to be assuming that the cooling system was that efficient, which I do not believe it is.

I do run a 180 on my Miata without any issues.
Of course specific applications will vary. I was being generalistic.

But I still wouldn't alter the operating conditions of the engine without a specific reason, which in your case there is one. If that makes any sense.
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Old 09-15-2014, 07:04 PM   #15
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Of course specific applications will vary. I was being generalistic.

But I still wouldn't alter the operating conditions of the engine without a specific reason, which in your case there is one. If that makes any sense.
X100. No way no how would I install a 180* tstat at this point. I have been in 230's another an issue as far as I am concerned.
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Old 09-15-2014, 11:12 PM
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Damn, they do not spec the radiator for 2012-2014 automatics.
I have an email inquiry out to them... I'll see what they come back with.

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Old 09-16-2014, 08:36 AM   #17
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The oil temperature needs to be 160 degrees or greater for the water to "burn off" from the oil. I just did a little digging at work for an analysis I had to do on oil temps for diesels.
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Old 09-16-2014, 10:36 AM   #18
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More snake oil hype. Running a Jeep engine at lower than designed for temperature is going to hurt performance / fuel economy not improve it.
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Old 09-16-2014, 11:00 AM   #19
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I didn't read anyone claiming to improve mpg's including the manufacturer page. I think the posters in this thread have an understanding of how the thermostat works.

That being said I'm also interested. In hot climates this COULD prove useful. I don't see too many adverse effects in 100+ degree weather, the engine would hear up very fast. Although I think I would like to see the radiator specs before I would go swapping in a lower thermostat.
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Old 09-16-2014, 11:32 AM   #20
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More snake oil hype. Running a Jeep engine at lower than designed for temperature is going to hurt performance / fuel economy not improve it.
No it's not snake oil, there are certain problems that arise from a specific set of situations where lowering the temperature in which the coolant circulates will help alleviate.
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Old 09-16-2014, 11:33 AM   #21
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Going to have to research it myself. Since the coolant system has an oil cooler and a smaller oil pan I am wondering...........
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Old 09-16-2014, 01:30 PM
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Feedback from Mishimoto...

Quote:
Thanks for the E-mail!

Unfortunately, at this time we do not plan to offer a 2012-2014 Jeep radiator meant specifically for Automatic transmissionc. I am sorry for any inconvenience. However, I will be happy to add your information to our product suggestion list! If we do decide to come out with a product that matches your description, we will be sure to contact you!

You should be able to purchase the radiator and one of our transmission coolers to make everything fit! I have included a link below to our website page which features all of the transmission coolers on it.

Transmission & Oil Cooler Kits, Heat Exchanger Units, Sandwich Plates

Please let me know if there is anything else I can help with!

Mishimoto strives for the best Customer Service. Have I fully resolved any questions or concerns you were contacting us about today?

Thanks,

Pat Muschamp
Mishimoto Automotive
302.762.4501
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Old 09-16-2014, 01:50 PM   #23
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^ read in best Asian voice.
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Old 09-16-2014, 09:11 PM   #24
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^ read in best Asian voice.
They are an American company started back 2003 and located 5 miles from me here in Delaware. Offices, research and engineering design is all done here in the USA. Only thing is Asian is the name.
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Old 09-16-2014, 09:53 PM   #25
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They are an American company started back 2003 and located 5 miles from me here in Delaware. Offices, research and engineering design is all done here in the USA. Only thing is Asian is the name.
I know that. Was just kidding around. Cough cough. Rough crowd.

Feel free to read my posts in best hick voice.

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