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#572649 - 08/05/19 06:53 PM Is there a lifespan to an aluminum fuel tank?  
Joined: Jun 2010
Posts: 2,149
CharlesS Offline
Admiral
CharlesS  Offline
Admiral

Joined: Jun 2010
Posts: 2,149
Bryson City, NC. 28713
Our 1990 Mach 1 has the original fuel tank. Since the boat is nearing the 30 year mark should the tank be replaced just for safety?


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#572651 - 08/06/19 11:03 AM Re: Is there a lifespan to an aluminum fuel tank? [Re: CharlesS]  
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tpenfield Offline
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tpenfield  Offline
Admiral

Joined: Aug 2005
Posts: 2,370
Cape Cod, MA
Yes, there is a life span to aluminum tanks, but the conditions it is subjected to are a big factor in the life span. Usually, aluminum tanks develop corrosion as a result of the boat itself retaining moisture, which eventually comes in contact with the tank.

Also, if water gets into the tank and is present for a fair amount of time, corrosion can develop from inside the tank.

The tough part is determining if there is active corrosion in/around the tank. Most of the tank is not visible or easily inspected. See what you can see of the tank and any surrounding structures/compartments. If you have water present, then the tank may have some issues.

Replacing the tank can be quite a process, having been there done that. . . . and it is a bit pricey, but safety matters.


Regards, Ted

Formula 330SS

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#572685 - 08/10/19 08:50 PM Re: Is there a lifespan to an aluminum fuel tank? [Re: tpenfield]  
Joined: Jun 2010
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CharlesS Offline
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CharlesS  Offline
Admiral

Joined: Jun 2010
Posts: 2,149
Bryson City, NC. 28713
Thanks Ted, when I replaced the floor everything looked clean and dry.i installed an access in the floor that allows one to visualize the top and end of the tank. I'll just continue to check things carefully prior to each outing. I'm probably worrying for nothing.



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