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  1. P

    Need guidance on 30 Year old Fuel Tank

    Thanks for the feedback. The wire on the left side is a ground for the fuel fill tube. The three wires on the right side are for the fuel level sending unit wire, and its ground. There is also an additional ground wire for a right hand side fill tube for a 50 gallon permanent auxiliary tank that...
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    Need guidance on 30 Year old Fuel Tank

    I got the new tank from American Tanks and completed the installation. The new tank uses a thicker gauge aluminum .190 vs the original .125. I had them weld "L" brackets on top of the tank for mounting since I was not going to use foam to encapsulate it like the original installation. There are...
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    Need guidance on 30 Year old Fuel Tank

    I originally thought you had the same boat as well which is what made me curious about your tank installation. Your configuration looks to work very well. Mine is a little different in that it gets plenty of water in the bilge as we are always washing down the deck with water from the fishing...
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    Need guidance on 30 Year old Fuel Tank

    The 1707 picture is after the foam was removed, see pic of it before I removed the foam. I am interested in your tank not being foamed in and wonder if it is the second tank in that boat. What is the date of manufacture on the tank sticker? Did you buy the boat new? The shelf concept a foot...
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    Need guidance on 30 Year old Fuel Tank

    Now that the new tank is being built I turned my attention on how the water intrusion occurred in the first place. After removing all the old foam around the tank it was clear that the majority of the water intrusion occurred through two cutouts on the right and left stringers that I believe do...
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    Need guidance on 30 Year old Fuel Tank

    Here are some pics of the corrosion on the tank after a little clean up. It was more than 75% corroded through in a few areas. I took the old tank to American Tanks and they are now building me a new one.
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    Need guidance on 30 Year old Fuel Tank

    The tank is out and there is corrosion on the bottom half on all sides and the entire bottom. Corrosion varied from medium to heavy but it was not yet leaking. Who knows how much longer it would have lasted. I am now looking to get a new tank built.
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    Need guidance on 30 Year old Fuel Tank

    I started to remove the foam at the back of the tank and as expected about half way down I could see evidence of corrosion (white powder) on the surface of the tank. it got worst the farther down I went. I removed all the foam from the rear of the tank and there was definitely some moisture down...
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    Need guidance on 30 Year old Fuel Tank

    I talked to the tank manufacturer. They said there is probably some water underneath the bottom of the tank towards the back that you cannot see and is the most typical place where corrosion starts. They did say a pressure test is a good idea but can only prove the tank is good at that moment...
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    Need guidance on 30 Year old Fuel Tank

    I think you are correct, I intend to call the manufacturer today and get their advice on how to perform the pressure test. Thanks, Peter
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    Need guidance on 30 Year old Fuel Tank

    I decided to take one additional step to inspect it. I am going to remove the fuel pick up tube and use a borescope to get a better look. This should be sufficient to make a more definitive decision on the true condition of the tank. If I determine I have to pull the tank out to inspect it more...
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    Need guidance on 30 Year old Fuel Tank

    I own a 24' Skipjack Fisherman that I purchased new in 1991. I have seen a few topics on old fuel tank failures and decided to take a closer look at mine after removing most of the fuel from the tank. The boat has always been trailered and resides in a low humidity environment. There is a fuel...
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