Talk:Akashi's Improvement Arsenal/@comment-26214669-20150322025441/@comment-79.98.35.23-20150401170541

Generally speaking it's barely worth it to upgrade equipment into things you can acquire as default equipment on ships. Even for second remodels with level 70+ requirements (provided they don't require blueprints, which are also pretty hard to acquire) it's better to farm them that way rather than use screws to get the equipment as improvement materials are really hard to get. For example, if you want to get more 12.7cm twin type B mount kai 2s then you are typically better off just levelling another Yuudachi to level 55 to get one.

With that in mind I find that getting 35.6 cm triple mount turrets is a good thing, as it is pretty efficient on screws. Upgrading fire directors is also pretty efficient and yields the guns with built-in fire directors which are both really good. If you don't have Katori it's not a bad idea to upgrade a 14cm gun to get the 14cm twin mount to get the item in the enclycopedia, although I'm not sure if it's worth it to get more than one of them for stats due to their low firepower.

Getting a few extra points in equipment you find yourself using often can also help a bit due to the extra hidden stats it provides, but top-tier equipment tends to cost loads of improvement materials to upgrade.