I currently got a 93 H23 block with a 95 JDM H22 head. They are all apart and bone stock. I'm new to engine buildup and install, so, I'm now needing all the infos from all you pros/tech guru out there. 1. How to make an oil return line for the vtec head (drilling the hole, tapping it, and the measurements, etc.) ? 2. Do I need to buy a shiftlinkage made specially for this sway or can I use either the civic's or prelude's? 3. I got an ECU and matching key from a 00 prelude, and wonder if I can use them because I really like the immobilizer it has. 4. Least but not last, I want to know if I still be able to have room for accessories, such as AC, power steering, etc. Any infos will be greatly appreciated guys! Thanks and keep up this great forum!!!!!!! By the way, my email is email@example.com, if anyone would like to email me for the infos, it would be greatly welcom. Thanks again.