Quote:
Originally Posted by s_wilwerding
There are numerous other posts about the thermostat, with people falling on both sides. The people who like them like that the engine runs at a lower temperature, and they believe that leads to longer life. The people on the other side state the engine runs at a lower temperature than it was designed to, which leads to higher emissions and dirtier oil, and may not prolong the life of the engine.
I fall into the second camp, but if you do a search, you'll see plenty of pros and cons of either approach.
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I believe it was designed to operate within an operating temperature, high low. Not at it's limit consistently. Mine barely gets above 180 even at idle for 45 minutes stopped on black top in 90 degree ambient temps. Another thing is. Remember, when the fans come on. They're playing catch up. One caveat. I also went to an "S" Oil cooler. The biggest enemy of oil is, Heat.
As far as designed to. I'm sure it wasn't designed for the IMS bearing to lose control and implode the engine in under 10k miles either. But it happens.
Like Whip, The one I took out, looked fine. But there were scars in the intake to the engine side. That a previous one had the impeller let go.
Like the IMS bearing. You may or may not get a warning by sound. Or it could just go boom.
If you have to inspect it. Crap, it's off. You have done the labor. Replace the thing. I hate doing things twice!!!
Just my obersavtions. Randy