I can't really make sense of the thermostat temp argument - Page 2 - JeepForum.com
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Unread 05-10-2013, 03:05 PM   #16
BuzzZJ9er
Registered User
1998 ZJ 
 
Join Date: Jan 2013
Location: Sheffield, Vt
Posts: 244
Quote:
Originally Posted by PolkaPower

You get like 50 hp if you put a 180* stat in though.
I'm on it! :lmbo:

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Unread 05-10-2013, 03:16 PM   #17
Foundrydude
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1995 ZJ 
 
Join Date: Jan 2011
Location: Flatsville, IA
Posts: 2,692
Quote:
Originally Posted by PolkaPower View Post
I think they run hotter than they need to because of emissions laws.
They definitely run hotter because of emission laws.

Hotter is harder on gaskets, harder on oil, harder on the transmission, and harder on every underhood component. Heck everything non metal, from the paint on the hood to wire insulation is aging/curing at a rate determined by time and temperature.

I don't think it makes my engines last any longer, but always go to 180/190 stats to extend the life of everything within 2 feet of the engine.

However ratmonkey's comment about all engines ultimately reaching the same temp is true with mechanical fans or smallish electric fans. But with a killer pair of electric fans and a robust cooling system you can often keep an engine close to thermostat point for hours on end, even with a cool stat.
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Unread 05-10-2013, 03:23 PM   #18
PolkaPower
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1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss, MD
Posts: 16,230
Quote:
Originally Posted by Foundrydude View Post
They definitely run hotter because of emission laws.

Hotter is harder on gaskets, harder on oil, harder on the transmission, and harder on every underhood component. Heck everything non metal, from the paint on the hood to wire insulation is aging/curing at a rate determined by time and temperature.

I don't think it makes my engines last any longer, but always go to 180/190 stats to extend the life of everything within 2 feet of the engine.

However ratmonkey's comment about all engines ultimately reaching the same temp is true with mechanical fans or smallish electric fans. But with a killer pair of electric fans and a robust cooling system you can often keep an engine close to thermostat point for hours on end, even with a cool stat.
This winter my motor would eventually get near operating temp but on the highway it was pretty low like 160* sometimes. Now that it has warmed up it's right around 190-200. I have a 180* stat in there and the trans is bypassed so it doesn't get heat from that. I think I am going to try a better brand stat though. I have a fail crap I think.
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