Author Topic: Gas tank restore  (Read 4257 times)

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Offline Heiny57

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Gas tank restore
« on: June 18, 2010, 06:31:20 PM »
I ordered a kit from KBS to repair my rusty Newport gas tank. (hopefully)    http://www.kbs-coatings.com/

I bought the 25 gallon size for obvious reasons.  They have good instructions and you tube videos to help. But I will do a few pis also.

If you try this a home follow the You tube vids.......

I first made a sending unit plug using the original rubber gasket and tightening ring, and cut a metal no trespassing sign to fit opening, 94 cents at walmart.




Then taped the vent holes with electrical tape. Then I used a large sponge inside a zip lock to plub other end after I filled with the first step cleaner.   Follow instructions.


It suggested putting bolts or chain inside for this operation to knock loose rust. I bet you guys up north know what kind of chain that is.


Shake soak shake soak 2 hours, dump soap.
Comes out nasty


Rinse and blast


Dry out completely this helped.


I will post more on next step
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Gas tank restore
« on: June 18, 2010, 06:31:20 PM »

Offline Fins/413

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Re: Gas tank restore
« Reply #1 on: June 18, 2010, 06:35:18 PM »
Good job Can you see inside enough to tell how it looks?
Eric Corse
Wake Forest, NC
1959 Chrysler New Yorker
1982 Ford Econoline

Offline Heiny57

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Re: Gas tank restore
« Reply #2 on: June 18, 2010, 06:45:18 PM »
Yep, top is rusty bottom not bad, of course.  BUT I found these while scrubbing.   :frustrated:



Yep three pin holes, or at least holes about 1/8 inch.

Of course they say to use their epoxy to patch which I didn't buy.

Any suggestions.?  I'm thinking JB weld. cause I want to do the sealing tomorrow.
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Offline The Rusty Gear

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Re: Gas tank restore
« Reply #3 on: June 18, 2010, 07:28:15 PM »
A weld would be better . . . . I'm not sure what effect gasoline would have on some epoxies.

Offline rusty

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Re: Gas tank restore
« Reply #4 on: June 18, 2010, 07:50:55 PM »
I've tried different epoxies before they usually don't last.
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Offline Heiny57

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Re: Gas tank restore
« Reply #5 on: June 18, 2010, 08:50:37 PM »
I know welding is better but my torch is 60 miles away. KBS says you can either patch with their epoxy or use small pieces of fiberglass and paint  the sealer on the outside also. It all gets coated on the inside yet. I'm thinking the holes are small enough that I just need them to hold until the coating dries.

Any way i'm done with step two and I am not so impressed. I poured in the quart of deruster, and rolled it around for almost two hours.



I then dumped the remainder in a bucket to save in case I needed to do it more.


Less than a cup left over, not enough to put in again.  Problem is there is still  rust in tank. The instructions say that all rust does not need to be removed. (I hope not, cause there is plenty left).
 
More drying

More to come...............

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Offline rusty

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Re: Gas tank restore
« Reply #6 on: June 18, 2010, 09:13:55 PM »
My only thing with the epoxies is they are a crap shoot. I fixed two holes on different sides of my Jeeps tank with epoxy one is still there the other fell out in a day. Both were done at the same time with the same epoxy.
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Offline goodfellow

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Re: Gas tank restore
« Reply #7 on: June 18, 2010, 10:30:52 PM »
Yup fixing gas tanks is a pain. It used to be easier though when they were made out of thicker and more malleable steel; so you have a good chance at gettin' it right Fins

Offline rusty

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Re: Gas tank restore
« Reply #8 on: June 18, 2010, 10:40:48 PM »
You know what happened. The tire chain punched trough trying for traction.  :happie:
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Offline goodfellow

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Re: Gas tank restore
« Reply #9 on: June 18, 2010, 11:04:49 PM »
You know what happened. The tire chain punched trough trying for traction.  :happie:


Wouldn't that be the kicker!!! LOL

Offline Fins/413

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Re: Gas tank restore
« Reply #10 on: June 19, 2010, 07:34:27 AM »
This is a question what about brazing would that work?
Eric Corse
Wake Forest, NC
1959 Chrysler New Yorker
1982 Ford Econoline

Offline goodfellow

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Re: Gas tank restore
« Reply #11 on: June 19, 2010, 10:00:24 AM »
This is a question what about brazing would that work?

Brazing will work Fins. I've brazed several over the years -- but the have to be super clean. It's dangerous --

Offline Heiny57

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Re: Gas tank restore
« Reply #12 on: June 19, 2010, 11:34:29 AM »
I have brazed several bike tanks. I am afraid that the holes are the least of my problems, still a lot of rust inside. I am pondering starting over or just go ahead with sealing, and start looking for a replacement, for when this thing craps out.

Snow chains did get to much traction.   :lol2:
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Offline rusty

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Re: Gas tank restore
« Reply #13 on: June 19, 2010, 03:36:57 PM »
I think I would go with the last two options. Keep cleaning that one while checking for another one.
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Offline Heiny57

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Re: Gas tank restore
« Reply #14 on: June 19, 2010, 09:50:55 PM »
If I weren't leaving for 2 weeks Mon. I would to.  But patience has never been one of my virtues.   :lollol:

Any way I put small dabs of JB weld on my holes last night and did step three as directed this afternoon, I poured in the sealer and rolled it around for 30 minutes. Then poured the contents remaining back out and painted on the outside where I patched.

It may actually work, it seems to have coated every thing. It will have two weeks to cure.





I know I should have taken a pre treat pic.  I didn't think it would come out.
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