Oil temp gauge Q?
2. No drilling of pan - sensor mounts in oil filter adapter - aluminum casting mounted to block - held on with (2) bolts - directly above the oil filter. You can buy an aftermarket adapter with the needed 1/8FNPT tapped hole already in it, or drill and tap your stocker. Thread in sensor with pipe tape on threads, re-install adapter re-using the small metal/rubber gasket, wire gage to sensor.
3. Farenheit - unless you're in Europe
4. 100-250 - oil should never go above 250 - pretty much your choice though - if you don't mind losing resolution on the low end, go with the 140-300








