Well I put the dial faces on, and may not bother changing the mileage. (No need to take the dial faces or needles off with the ones I bought.
I wired the Dial LED's to go on when I turn the lights on, but didn't use a live ignition wire as instructed by the little manual. I painted the needles flourescent red, and put 3x 4volt Ultraviolet LED's protected with a 470-Ohm resistor. I'm using one of the original bulb holders as the power source (modified it) and I might put anther 3 UV Leds in (by using the other bulb holder) to light the needles a bit better
Daylight, lights off.

Daylight, lights on, UV LEDS off

Daylight, lights on, UV LEDS on

Night, lights on, UV LEDS off

Night, lights on, UV LEDS on

Sorry about the blur in the night pics, I don't know how to avoid with my camera.
Also the colour of the blue isn't as pale in real life as what it has come out like in the pics.
It's a joy to see my dials at night now.