I bought the car with a blown motor, at the time it looked like this:

Got a K8 from Tiger JDM Engines:
http://www.tigerjapanese.com/index.php? ... &Itemid=26" onclick="window.open(this.href);return false;
Last weekend did the engine swap, now we have this:

Since that picture was taken an intake pipe was fabricated and the VAF (MAF) is now in place.
basically I need to know what things a person should do to make this swap work. What's the difference between the stock engine and the new one I put in?
what is the stock engine??
Thanks!