ASA and PSIA Instructor
Join Date: Apr 2000
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I don;'t think anyone here can give you a reasoned estimate unless they had this job done on the same boat. I could tell you what it cost for a new tank for a CS 36T, but I don't help you if I imply that cost would be relevant to your question. I think you need to get a local yard manager to quote the job in writing. The double whatever he tells you and you are in the ballpark.
Where you are buying an older boat that needs fuel tanks replaced, you would be astoundlingly lucky if that boat doesn't need any other material work. $3-6,000 for a tank replacement on this type of boat is pocket change.. If it affects your comfort with the cost of the boat, run fast because the purchase price on older boats like these just a downpayment. Anything expensive equipment that the PO hasn't replaced or rebuilt on the boat, you are likely end up doing yourself so yourself...just sharing my personal experience.