You can use T's for oil pressure
but with the temp, im sure the sensor is too deep to be able to get it into any T.
So what you do is do what WeeJohn suggested over on tgtt
I need one aswell, as im sure do a load of other people,so maybe we could ask dean to do a group buy on M16 x 1.5mm bolts with a 1/8PT hole drilled in it