Gas Tank Repair Question

Samplingman

Old Man with a Hat
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I pulled he tank out of the black car yesterday to begin the trunk replacement. The top has a small perforations from the rust, but the bottom and sides are solid. Anyone have a cold patch rust repair suggestion? I'm thinking POR 15 with a fiberglass mat patch. Any bettter products out there? Thanks for any input.
 
Not really adviseable. Check with your local rad shop - they can boil out, repair and seal your tank. Iften it comes with a lifetime guarantee.
 
Got a pic of the top of the tank?
You can see where the home holes are from the wet spots.

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I wouldn't bother. You are going to have hours of time in fixing the outside and then have to coat the inside. The results can be frustrating and anything you put on the tank, like fiberglass, is at best, a temporary solution. It's time and money no matter what and you'll end up wishing you found a better tank.

I'd either buy a new tank or find a good used one. Carlisle is not that far away... Find a vendor that will bring a new one with him and save you some shipping.
 
I got my new gas tank for under 300 bucks. I felt it was the best way to go simply because by the time you repair that corroded tank, you may get it working fine again with no leaks etc. And will probably still cost you over a hundred bucks to get it to that stage. But how long will it last?
A new tank gives you that peace of mind. I did some quick checking and came up with Parts Geek selling your model of tank with two vents for $285 including shipping.
1967-1973 Plymouth Fury Fuel Tank - Fuel Delivery - Spectra Premium 67-73 Fury Fuel Tank - 16705-05484955 - PartsGeek
 
Just remember that a new tank does not fit every car, and with today's fuels will eventually rust out also. No matter what anyone says, I could not find one for my 1966 300. Moyer repaired my tank, coated it inside and out with a lifetime guarantee, for not much more than a new tank. They are great people to work with
 
Thanks guys, just as I thought. I'm not doing a full out restoration, just trying to get it road worthy, but a temporary fix was not what I was looking for. I have a tank out of the '73 that looks decent and doesnt leak so I do have that option. I think the vents are different, but I still have to do a side by side comparison. I had about 15 gallons of fuel in the tank in March, but when I dropped it only 2 1/2 came out. I imagine that much gas could have evaporated out through all of those little pin holes.

As an aside, here are some views of the trunk I'll be pulling out next week. I'm still tring to decide if this one is even with the trouble, or I should pass it on.

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Personally I would take that job on as i do a fair amount of metal work. I have been thinking of purchasing a car that has a mint condition trunk floor and would simply unstitch the whole floor and replace it, also the outer extensions too. The lower quarters i would hand form some sheet metal and weld them in. But, if you don't have a spare floor, it would end up being a lot of work.
 
Personally I would take that job on as i do a fair amount of metal work. I have been thinking of purchasing a car that has a mint condition trunk floor and would simply unstitch the whole floor and replace it, also the outer extensions too. The lower quarters i would hand form some sheet metal and weld them in. But, if you don't have a spare floor, it would end up being a lot of work.
I have seen your work, inspirational comes to mind!

Yes, I have solid replacement metal all around, and it will need it. Trunk, quarters, front floor pans, and front and rear window frames. I planned on starting a thread, but I'm still on the fence. I still think it deserves to be fixed and not used as an organ donor, but with the motor-less vert in the garage, it has been tempting at times.
 
Focus on one car! Get the convertible done and worry about this one later.
 
The tank might be wasted, but it looks like the sending unit had been replaced and is still usable.

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