first off i would like to say wow there is a ton of good info hear. i am new hear and jsut started tuening hondas about a year ago. ws a big v8 head. still am but man these lil things are fun. i am in the prosses of building an all motor ls b18, and yea NO VTEC. to hard to get the head hear for under 1500. i have axcess to a mecheen shop and all the tools needed to port and polish my head out. but i am allso looking to do this fairly cheep. for the botom end i have jdm b16a2 pistons not much other than that for the bottom end yet. not sure if i need to or not. i am looking at getting a set of crower 403 cams but want to know if i can use gsr valve springs and retainers insted of getting after market springs and retainers. looking at what might be a good intake for this set up as well. any ideas would be awesome