Tacho lighting conversion

Hello have found a lot in the search already. But I wanted to ask what do you take best to make it look good? Lacquered pears to replace the old standard pears or bright LEDs? Which should the LEDs have worth? Where exactly should you solder the LEDs? How can I get the pointer off to get the tacho discs out? Can you also influence the color of the pointer or can it be only red? Thought of white tacho discs with blue LEDs and the pointer should s Stay tandard colored! Thanks schomal for the help and please do not use any answers like search..