Quote:
Originally Posted by pilut2
Ok- so you don't want to do the research.... I'm not an expert, but those who are explain that the stock thermostat starts opening at about 186 F and is fully open by 210 F- whereas the low temp version starts opening at 160 F and is fully open by about 185 F. This results in lower operating temperatures- oil and coolant- for more most driving conditions.
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I have done research, lots of it over the years.
It is why I am surprised that so many people are going to a thermostat that is outside the manufactures system operating parameters.
When you run cooler then the system is set up for it takes longer to go into closed loop.
You run on cold startup fuel map longer.
harder on the Cats. hard on o2 sensors
Running at lower temp takes longer for the oil to reach its operating temp. (which is typically very close to 195)
Resulting in oil being bypassed at the bypass valve for a longer period of time.
Takes longer for the oil to reach a temp where it burns off water.
For every pound of fuel burned (that's about half a quart) a pound of water is produced. Not all of it goes out the tail pipe.
Some of it ends up in the oil.
Just a few things that result from running cooler then spec.
Now if it is a race car or a car you track I get it.
If it is a street car?????
So that is why I was curious as to why it seems that lots of people are going to the cooler thermostat.
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