Where to start!!! First off did you get the transmission with it? How complete is your engine or swap package? It's not terribly hard to put in but there's many little details to get in order before you start if you don't want lots of downtime while you discover issues then order parts, etc...
You probably saved some coin buying the b16a1 but it will hit you up for some hassles and more expenses in the long run becuase of the cable trans, when your car is made for hydraulic trans.