160 stat
On The Tree
Joined: Nov 2004
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From: Tucson, AZ
I would like to know more about this too. The Corvette folks do this mod all the time and seem to like it. The only real way to get lower temps, though, is to have more air move through the radiator, or get a bigger one. Probably not worth it for a street car.
Engine temperature is regulated by the thermostat, not the radiator. Your radiator is typically lower then stat temp. By running a 160 stat, you lower the temp of the engine which can help keep the cylinder heads cooler therby helping to prevent detonation.
Jersey
Jersey
Originally Posted by 124TURBO
Just wondering if its worth installing a 160 degree stat. Has anyone tried it does it make any difference?
On The Tree
Joined: Nov 2004
Posts: 116
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From: Tucson, AZ
Originally Posted by Jerseyboy
Engine temperature is regulated by the thermostat, not the radiator. Your radiator is typically lower then stat temp. By running a 160 stat, you lower the temp of the engine which can help keep the cylinder heads cooler therby helping to prevent detonation.
Jersey
Jersey
Originally Posted by carpe dm
The thermostat controls how low the temp CAN be after warm-up, not how low it WILL be. Your engine will run at its "natural" temperature, unless more air is moved through the radiator or you get a larger radiator. For example, my Corvette, with a 170* stat, regularly runs at 192* on the highway.
If you are running 192 with a 170 stat, what the heck was it running with a stock (192°) stat? I have stock cars that run 192 on the freeway. Do you have your fan temps lowered to match your stat? As LS1LT1 said, you must have the fan temps changed to take advantage of the lower stat.
But to get back to the question, yest it will make a difference if you get the stat and the fan temps changed. Your car will run cooler, and be less prone to detonation. Not such a big issue on a stock car (although the V seems prone to detonation in stock form when it gets hot) but it becomes more helpful when you start adding more power, epsecially forced induction.
Jersey
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On The Tree
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From: Tucson, AZ
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Teching In
Joined: Apr 2002
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160 deg stat Stealth, you're correct. The p/n for the 2004 GTO stat and 2004 CTS-V stat are the same [p/n12581595] Neither the Pontiac or Cadillac parts dept. I called could tell me what temp setting this p/n was, [I am assuming 180 deg], but the fact that they're the same means that an aftermarket 160 stat for the GTO should fit the V. Kudos.
