82 Fisherman fuel tank issue need advice

[rrichar1]

Originally Posted by SkunkBoat

If you are just using sheet metal screws and gasket, I would be terrified to ride in that boat. The tank deforms over time with heat/cold expansion. You would need to add a welded reinforced frame around the holes, thick enough to tap threads, so you might as well weld the top shut.

I had a leaking sending unit gasket once. Once a little gas gets in your bilge it runs the length of your boat, you are an explosion waiting to happen.

What about if I used a Permatex gasket maker type product ( http://www.autozone.com/sealants-glu...?checkfit=true ) to seal it on both sides of the gasket?

My other short term option is to go to an external 12 gallon plastic tank I have and move it under the console. I don't run offshore just Galveston Bay fishing so I don't run far and the Tohatsu sips fuel.

[garbubba]

Unsafe & technically illegal to put gas in it. Don't do it, explosions and fires on boats are very very bad. Use that spare!

[rrichar1]

When I do go back to using it I will get it rewelded. But I don't know if I ever will as I tested out the 12 gallon and was able to run everywhere I normally go and more for about 5 of the 12 gallons. Plus I like being able to see what I have and be able to keep fresher gas in it so I know I'm only getting good gas going into the motor.

[garbubba]

That sounds like the ticket! Never could find anyone willing to weld on a fuel tank. Keep an eye out for a replacement.

[Destroyer]

I agree on the welded rim all around. Additionally, if the corrosion inside the tank has you worried, motorcycle riders for years have used a product that they pour into the tank and swirl it around. It coats the inside of the tank and protects the metal from corrosion. I don't see why that same product couldn't be brushed onto the inside of your tank to seal the inside.

As to using the 12 gal portable tank. It's a good idea BUT make sure you also have a 6 gal spare. Nothing worse than either running out of fuel. The extra weight is nominal, and you can always use the gas in your car or lawnmower at the end of the boating season.