Running temp (logs into my brain) 82° if I remember is about correct for normal.
Stat is fully open at 82c but normal running is 85 to 90
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Lesson learned with thermostats now.
The one that came out had somehow dislodged its seal and was always open a little.
The removed one on the right - with a rubber seal vs the genuine Mazda one on the left ( no rubber seal just a good fitting piston )
Just a final update on this and a possible heads up for other owners.
Car is running spot on now and warms up much quicker ( also stays warmer for longer when parked up )
BUT
A surprizing benefit of the engine running at the correct temp is that the oil consumption that I considered high ( 1 ltr per 1000 miles ) has almost gone completely.
The car has barely used any oil in the last 700 miles.
May be worth changing the thermostat first for those seeing some oil use.
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Another benefit is it will use less fuel too now as temp is correct