Not really a secret.
Go to gw2skills.com. Put all the armor you think you want into their slots but dont add any of the traits (so you dont get their stat buffs). After that add 74 to toughness, vitality, power and precision. Base stats will increase from 926 to 1000. This will give you a good baseline for how you want your stats to look. Dont know how much armor stats will increase, but i dont expect more than a 5% increase to them.