I have no clue what im reading can you help me out what that's all about I have a stock pcm all I know is I removed my cat and replaced with the speed daddy headers I have both 02 sensors in and got a 0420 light I cleared it with my scanner now what is It I need to buy to keep me from running to rich and dumping fuel? I believe that's what I read last I need is my block to seize up @ billboost