What am I missing here man?
A lower temp t-stat opens sooner (coolant a bit cooler than full temp) Once warmed up though, the t-stat would stay open no matter how early it opened no?
The only thing I can thing of is that after the T-stat opens it will close once the coolant temps drop below it's rating. So it's always opening/closing?
Open = more cooling. So a 160 will actually stay open longer than a 185 assuming the coolant temp can cool down below 185 degrees.
The idiot gauge calibration isn't good enough to show a drop of 20 degrees?
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Originally Posted by JFP in PA
We are running one of LN Engineering's 160 stats in a customer's car (01 2.7 base but equipped with the "S" oil cooler) and have consistently noted 15-18 degree lower coolant temps when compared to the OEM 185 stat. We have observed lower operating temps both around town and on the open road. One thing you have to note is that the factory temp gage is neither linear nor accurate, so you have to observe the real temps via the OBD II port. And the difference is substantial; we noted that when the cooling fans came on, the dash gage said about 190, the OBD II port said over 210, and when running on the open road, the dash gage said just under 180 while the OBD II said more like 15 degrees lower........ The stat does appear to make a make a real difference in general operating temps, but unfortunately with the inaccuracy of the dash gage is is a little hard to observe.
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