Long term Gas Tank

Nicad

Nicad

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Pulled the gas tanks in the Coupe and 2002 last night. I think I will be groggy all day after how much fumes I was exposed to. Both tanks had a lot of fuel on board and fortunately my E46 wagon was on empty, so with a 2 gallon jerry can and my new fuel pump, I got them both empty. When I put my snake cam down the hole to inspect I found that my E9 tank has a bit of rusting inside. The surface is not covered with rust, but there are random spots all over the place. . The seams look quite good and no major pitting inside. The 2002 tank looked excellent inside. No sign of much of anything, but a few rusty spots at the bottom. (This is pretty impressive for an Ontario car).

So should I send them out to a tank rebuilder or buy the POR 15 gas tank kits and DIY? 2x$77.00) Do the commercial companies offer anything that lasts longer or does a better job?

Tia.
 
Hi Steve, how did you seal up the sender hole when doing the POR 15 system?
 
When I was converting from carbs to injection I had the injection tank "boiled" or something like that at a radiator shop. Then painted. Been there for 10+ years, no problem.
 
I used the POR-15 product on my 1800's tank which had rust continually plugging up the filter and tank lines. Seems to have worked well and have had no rust residue accumulating in the filter in a year and a half and about 2,500+ miles. I followed the application instructions to the T. It would be a huge mess if the material doesn't adhere and sloughs off in sheets.
 
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POR-15 for gas tanks--

As with any coating--prep, prep and then prep again as it's the key to a good end result. I'm very familiar with the POR-15 gas tank product dating back 20+ years--it works fine as an excellent fix by coating and encapsulating the metal surface and providing a near permanent result that will last for years.

Used by a number of radiator shops that also re-furbish gas tanks. Usually needed on cars that sat for several years in storage with less than a full tank of fuel--very common.
 
Proper preparation prevents piss-poor performance.

I would add that it seems a not uncommon mistake to inadequately cure the coating. Don't be in a rush to refill the tank with gas, most especaially gasohol.
 
I've coated two tanks with POR-15 over 10 years and have had no problems. It is imperative to do the three-step process POR-15 recommends. To help with the drying/curing, use an old hair dryer stuck into the filler neck.
 
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