3/4"-16, not sure if that works on the V-10 though.

 

here are my digital series gauges from glowshift. from top to bottom- trans temp, wideband air/fuel (for tuning the 408 when shes completed), and oil temp.



despite what the general consensus around here may be, the servo ports on the side of the trans are poor indicators of actual transmission temperature. a much more accurate option is to install a 3/8" cooler line manifold on the output or input line. most deem the output line to be the best route because it is the hottest. heres mine

 

Thanks for that pic. I had thought of doing that to get the temp where the fluid should be hottest.

The oil filter is the same across the v8 and v10 so it should be the same. In fact the oil filter location on the front of the v10 should work pretty well with the adapter.