Hi all. It's my first thread so I better start with a "thank you" for all the information I have been able to get from the great people of Team Talk. Some really supper threads that have helped me a lot! I live in Ireland so it's tough to rub shoulders with trained mastercraft techs/engineer...

This weekend, I drained my block but for some reason, only a few drops of water came out of the block after taking the knock sensor out. On the other side, after removing the drain plug, water came out profusely. I was expecting just as much water from either side. I ran the boat again, drained it again,...