HelloI am interested in buying this 1974 catalina 27. Everything on the boat is in good condition, the motor is the inboard diesel and it runs good.The one concern i have is the water in the bilge.You can see it here http://www.joshuabryden.com/gallery/content/Artistic/boat/DSC01563.JPGCan somone tell me if this is common in the 27 inboard? Or is this a major deal breaker? THe guy is asking 4k for the boat, if you want to see more pictures i have them. Other than this water / oil sludge the boat is beautiful and i would love to make her my own.I would greatly appriciate the assistancethank you in advance contact : josh@joshuabryden.com