I was thinking about building up a gsr for a daily driver and swapping it into my 92 civic. Heres the question. If I swap in ctr pistons and new rods do I need to take apart the bottom and bore the block. Or can I take off the oil pan and head, disconnect the rods and push the rods and pistons out the top? Also what valvetrain should I buy and if I get a port and polish from alaniz will I need to buy a hondata type fmu.