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Old 01-26-2011, 06:39 AM   #1
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What is this 160* Thermo..

Okay, Why in the world is everyone putting a 160* thermostat in their cars??? I mean i can see if your running it at the track ALL THE TIME, and you want it the water to circulate at a lower temp... but to much circulation and not enough time in the radiator isn't smart either.... PLEASE on this topic school me the concept.
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Old 01-26-2011, 07:51 AM   #2
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What does MPC say about it?
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Old 01-26-2011, 09:57 AM   #3
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What you are thinking about is taking the thermostat out. That does provide too much circulation so the motor doesn't have a chance to transfer the heat efficiently to the coolant, so you might actually run hotter. The 160* thermostate is AWESOME and i have one in every car i own.
With as many 100*+ days we have down here in Texas a thermostat is a must while sitting in traffic with the A/C blasting.
Plus a cooler engine ( to a certain degree) is more efficient.
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Old 01-26-2011, 12:46 PM   #4
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Didn't ask them...

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What does MPC say about it?
I didn't ask them, they didn't build my motor, i built it. I'm asking because i don't think it would be prudent to do unless you lived in a hotter climate where it stayed in the high 90's to 100's everyday. Here in Maryland .. not to much. Just curious to find out what people's ideas are on it. that's all..
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Old 01-26-2011, 12:58 PM   #5
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I didn't ask them, they didn't build my motor, i built it. I'm asking because i don't think it would be prudent to do unless you lived in a hotter climate where it stayed in the high 90's to 100's everyday. Here in Maryland .. not to much. Just curious to find out what people's ideas are on it. that's all..
I saw a diagram showing beyond 180 wasn't good. Had something to do with cylinder wash. I'm sure not adusting the fans too low may help.

I ran a 180 drilled in my Impala for a few months. On a 26 mile drive during the dead of winter the engine never heated up enough to be able to heat the inside of the car. I didn't like it and was pretty sure is wasn't good for the engine to run that cold either.
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Old 01-26-2011, 01:00 PM   #6
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Found it. Scroll to the bottom. http://www.performanceunlimited.com/...hermostat.html
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Old 01-26-2011, 01:01 PM   #7
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just another way to help the engine run a little cooler. some do it in DD's some do it in weekend racers.
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Old 01-26-2011, 01:01 PM   #8
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I didn't ask them, they didn't build my motor, i built it. I'm asking because i don't think it would be prudent to do unless you lived in a hotter climate where it stayed in the high 90's to 100's everyday. Here in Maryland .. not to much. Just curious to find out what people's ideas are on it. that's all..
The ECM uses engine coolant temperatures as one of the parameters to determine alterations of fuel trims and timing. IMO if you were tuned using a 186 degree stat and you don't experience a lot of hot 90+ degree days, you should stay with your 186 degree stat.
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Old 01-26-2011, 01:08 PM   #9
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Basically, a cooler thermostat allows the radiator fluid to START flowing sooner, and then has a slightly higher flow rate. It doesn't really add any power, it keeps the car from getting as hot and all the related side effects.

A cooler car has less chance of detonation, so you can run more advance. A cooler engine means a (slightly) cooler engine bay, so a bit denser air going into the engine. A cooler engine also prevents premature oil breakdown (not as important with synthetic, but still happens over time) meaning the oil/engine should last longer.

That's about it. Does it mean more in hotter locations? Possibly, but once an engine starts running, the engine bay temperature goes pretty hot pretty fast. So it may not be as important in 10 degree weather as it is in 90 degree, but it will still benefit some.

Of course to cold of a temperature outside (below 0, -10, etc.) and 160 might mean the engine cools too much and never gets to best operating temperature. It really depends on how well your engine bay flows air and cools off when moving.

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Old 01-26-2011, 01:11 PM   #10
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all the info right their
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Old 01-26-2011, 01:48 PM   #11
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all the info right their
So....taking a quick look it sounds like a 180 would be best but I've only seen 160 for the Camaro.

Watching the coolant temps in my DIC I'm usually running around the 200 mark.

I'm thinking about adding the 160 so I'm curious to hear how this has been working for those driving the Camaro as a daily driver and have a 160.
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Old 01-26-2011, 02:57 PM   #12
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The 160's we do run about 176-180 cruising on the highway with constant flow over the radiator. Heat works just fine and the cars heat up quickly.

The lower temp can help detenation,this doesn't mean you add a ton of timing,just it can handle the timing you have now easilly.

I love how people compare track cars to street cars.What you learn on the track transfers to get top performance on the street.The track is a better tuning tool than a dyno.

The stock radiator has enough capacity to control a 160 t-stat so it cycles.

Everybody can run what they see fit. We run alot of the 160's from what we've seen in the past on LS motors.
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Old 01-26-2011, 03:45 PM   #13
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The 160's we do run about 176-180 cruising on the highway with constant flow over the radiator. Heat works just fine and the cars heat up quickly.

Yup, got a 160 in mine and it runs right around 180 on average out on the highway.
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Old 01-26-2011, 03:56 PM   #14
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SlowHawk is right again....like aways! Trust what he says if you interested in learning

I run a 160 degree thermostat. I cruise on the highway at 172 consistantly.
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Old 01-26-2011, 04:02 PM   #15
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Very true. Just cause you have a 160* thermostat doesn't mean your car will run at 160*. Hell, with out changing your fan settings it probably won't run any cooler than a stock thermostat.
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Old 01-26-2011, 04:36 PM   #16
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I'll more than likely put one in. I've asked Andy over at ADM and he said Yes.....add one. He hasn't steered me wrong yet and he has plenty of experience with LS motors.
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Old 01-26-2011, 04:49 PM   #17
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Very true. Just cause you have a 160* thermostat doesn't mean your car will run at 160*. Hell, with out changing your fan settings it probably won't run any cooler than a stock thermostat.
it should run cooler until you are sitting still with no airflow. then, yes, your fans wont come on till they are programmed, but while you are moving, if the t-stat is working, you will be running cooler.
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Old 01-26-2011, 04:57 PM   #18
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Will the cooler temp affect the cat? Will the cat clog up sooner?
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Old 01-27-2011, 05:42 AM   #19
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Will the cooler temp affect the cat? Will the cat clog up sooner?
no
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