TBH, when it comes to something in the Strat mould, I would tend just to replace the whole lot (with a new plate, ideally, if you can get one that fits right). That way if it doesn't work out as planned, it is a matter of a few screws and a single soldering end with the jack socket to revert to standard. Handy if you wanted to sell later on and not lose on the cost of those mods - or I suppose you could also sell the original plate and put tht towards offsetting the cost of the changes.