Should I line a new gas tank?

levsmith

Member
I could tell the gas tank on my 3400 project was rusty so I ordered a couple quarts of Red Kote tank liner. After I disassembled everything and pulled the tank out, I realized it was rusted through and had previously been patched on the bottom. I decided to just order a new tank so I wouldn't have to worry about it. Now I have a new tank and a couple quarts of liner, I am wondering if it's a good idea to line the new tank first thing to prevent any future rust issues. Is there any drawbacks to lining a tank when it isn't rusty? Thanks
 
Not sure how old you are but I think you might be lining it for someone who isn't born yet. If that makes
ya feel good, then go for it. If it were me, I'd live with it as is. I remember my dad in the mid-60's
when he bought his second VW Bug ...... he varnished the hub caps because the ones on the older one got some
rust on them. When I think of that it breaks me up, my dad was a clever fella rest his soul !!!
 

I have had that same thought just never done it... If I had something that never got used are set up I think I would go for it. I am a fan of por-15 the tanks I have done look just like the day I done'em.

You would have to etch the inside of a new tank destroying the factor coating to get a good surface for the liner to bond to that's the only reason I have not went after one YET...

I have never used Redcoat I have seen tanks it was applied to it looked like all they did was pore the liner in rust and whatever was under the redcoat. None of those tanks were a issue it delivered good clean fuel to the carb :shock:
 
If the directions are not followed, some liners will peal off and repeatedly plug the fuel system. I suspect a brand new fuel tank will last as long or longer (thirty to sixty years?) than any tank liner. Why create new problems for yourself? I would not coat the new tank until it has problems. Sell or donate your liner to someone who needs it.
 
Thanks guys. I wondered if the Red Kote would stick to the original finish of the tank. If i have to etch the new finish to get the lining to stick, I think I'll skip the coating for now. I guess if it ever does start rusting again, I'll worry about it then. Oh, and I'm 29 by the way...
 
If you use E10 you'll keep water out of the tank anyway.

Twenty nine is pretty tender for this site. Glad you're here. We'll all be gone in a few years.
 
New gas tanks are (or, at least WERE) made of "terne metal", basically galvanized steel.

After years of use and corrosion, or cleaning with acid, the steel is left unprotected, hence the need for a "plastic" coating/liner.

Before coating a new tank, you mite want to read a post from a guy who's having an issue with tank coating.
Tank coating issue
 
I have been using POR for years. Excellent
product. I wouldnt use anything else. If
you get the tank lining kit, it comes with
a degreaser-cleaner, an etching product
and, the liquid liner. If you follow the
directions, youll never have a problem with
that tank.
 
Bob -Your are absolutely correct about gas tanks being made with Terne metal, or Used to be. The tin-lead-antimony coating was stopped about 10-15 years ago because of the lead. Several alternatives have been developed, U.S. Steel has a "Ni-Terne Steel", mild steel sheet with electro-plated nickle, then a hot dip process with a 92% lead 8% tin coating.

Lot of automotive applications have simply gone to 300-series stainless steel, or plastic.
 
Bingo.

For decades, fuel tanks were made of Ternplate, a coating much like solder, rather than a galvanize coating.

This is why, one should not use a wire brush on such tanks when restoring, e.g., Ford tractors.

These days, most automotive fuel tanks are plastic.

Dean
 

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