Just removed the head from my car..the block is complety full of water...very rusty water with pretty decent sized chucks of built up rust...Its stuck on ths sleeves pretty well..The motor did turn over befor i pulled the head...My Question pretty much is is my block and sleeves ok? is there a way i can clean the rust off of the sleeves without damaging them? and removing the bottom end from the car...I was thinking oven cleaner?? would this be bad and why?..Also..My headgasket doesent appear to have a crack in it or any point were i can see water was coming threw.....Yet my the bottom end is almost complety full of water...This is a d16z6 1.6 sohc vtec motor.