S14 head swap

[ashmir]

Hi,im newbie here,first i want to ask is i have nissan serena c23 with original engine sr20de which is similar with silvia s13,and now i wanted to do head swap to s14 head.What modification should be done?I will also find the s14 na ecu too.What im going to buy is head,intake manifold,ecu,wiring(its not complete,because the wire have been cut but not on the sensor.I also notice that i have to drill a hole on the block for the vct oil line???Please help me on this.Tq in advance