Changing coolant/thermostat

Ok all done, I fired her up, let it warm up and kept topping the expansion tank up and bleeding now and again, needle stayed and halfway mark and fan kicks in, should that be it?
Remember check coolant level after some driving when car is cold.
 
Correct temp operation are : highway 74-76(under the third line abit )
My tests showed that in a cold temperature(just a bit above 0), OBD shows 72 on a highway constantly, occasionally dropping to 67-70 when I release the right pedal and start slowing down towards exit.
Does it seem like a correct operation? I was told that it seems way too cold and it should not behave this way.
 
My tests showed that in a cold temperature(just a bit above 0), OBD shows 72 on a highway constantly, occasionally dropping to 67-70 when I release the right pedal and start slowing down towards exit.
Does it seem like a correct operation? I was told that it seems way too cold and it should not behave this way.
Seems like your thermostat opens abit earlier but not that critical yet..(2-3 deg earlier)
Our cars naturally running colder than many other cars.
Just keep an eye on it and when it will open even earlier -change the thermostat.
 
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75 is the same temp as the oe..(the old f4r used to run hotter 172/182,at 89 or 90 deg iirc)
The price difference isnt big (6-7pounds)-Stick with the genuine thermostat
Part number
8200772994
 
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