I recently found that I have water in the oil after not winterizing the boat early enough. I had the crack marine-texed but still water in oil. Its a 89 bayliner 18 foot with a 3.0 should I try to take the head off and see if its the block or not or should I try to sell it as is( letting the people know its got a problem though).<br />I did a comp. check and the heads comp was ok but it could be cracked at a water jacket I quess. Any input is encouraged. 