I needed to drain the radiator to replace a couple of coolant hoses, so I deceided to replace the thermostat with the lower temperature LogicSeven unit. No more leaks and the coolant is controlled at about 10 degrees C lower than stock. No negatives so far. Attached is the data from 40 minute drives with both thermostats.
I did it to my 08 and its worked fine, even in the Florida heat ( summers suck here)
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