I've modified the secondary oil screen drain plug (just below the stator cover) to accept the temp sender unit (part #8 in bottom picture)
The stator cover should give it protection from the top, and i might make up an alloy shield to protect it from underneath and the front later too.
The oil screen also needed modifying buy denting the centre of the screen back inside so the sender unit will clear (part #17 in bottom pic)
I cant see it affecting the screen's performance.
The senders' thread is 1/8" BSPT for anyone wanting to do this, the tapped thread into the plug is only 4 thread's deep due to it being thin alloy, but i plan to make up something more permanent once i see how it all work's.
I'll probably use a 1/4" BSPT to 1/8" BSPT adapter screwed into the plug first, then the sender into that so it's got a better bite into the thread's
I used 2x copper washer's to help the sender unit seal against the plug
So it's ready to fit to my engine and try it out
Now i just need to wire up the regulator/rectifier and capacitor to the stator wiring so it's got power and i'm all good to try it out.