couple things id like to included.
the first thing you should buy is a turbo. then go from there. it will let you know what kind of mani and if you need a wastegate
i picked up a new d series cast iron ac /ps mani on ebay for 170 shipped 5 yr warrenty and all. i wish i would have bought a dowpipe with it instead of making one. buying it already made is alot easier.
imo your best bet is to get a smaller turbo like a t25 or something smaller. theyre cheaper and spool quicker.
people are using ebay wastegates and swapping out the spring. theyre cheap so it will save some money. i ran a ebay bov for 4 months and never had a problem. sounded sick for 40 bucks
all it does is open when it hits a psi. my boy has a ebay wastegate that he bought for 45 shipped and has bin running 10psi for almost 6 months.
i would recommend getting an oil pressure and boost gauge. even tho youll have oil pressure if you spin a bearing, its a good thing to know where your pressures at.
f**k the fuel pump. stock one is fine unless your going for over 190hp which i dout.
good luck