Damn, i run the same oil and got nowhere near the same oil temp, i hit 90 max all day. Topping up wiht about 1/2 a litre extra in the morning.
I was shifitng at around 7k each time and backing off once i hit 6500 in 5th on the back straight. And as NewSuba said i was in a gear higher than norm during cornering.
One day i'd like to get to the bottom of why your oil doesnt heat up, are you hiding a cooler somewhere?
I reckon his gauge or sensor is faulty and it reads low.... no way doing laps the temp would stay that low.