using bondo on a gas tank? - Honda Rebel Forum

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Old 03-26-2012, 03:41 PM   #1
 
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using bondo on a gas tank?

Is using bondo to fill up holes on a gas tank a good idea? im repainting my gas tank metallic black soon, and im wondering if the vibrations and bumps would make the bondo fall apart. Maybe using extra hardener would be a good idea? Pretty much planning on restoring the way it looks n make it shine, maybe resell it over the summer. it has 9k miles. Will post pictures when i start the project next week.
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Old 03-26-2012, 03:42 PM   #2
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Bondo will work, just use it the right way and don't get it too thick.
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Old 03-26-2012, 03:53 PM   #3
 
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What do u mean by not to thick?
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Old 03-26-2012, 03:57 PM   #4
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I mean you want to pull the dents as much as possible so you only need thin layers of filler. You don't want the bondo to be a half an inch thick on the tank, that's how it starts cracking and falling out looking like doo doo.
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Old 03-26-2012, 04:00 PM   #5
 
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mojo is right bondo will work and try to mix it well to ensure less air pockets also make sure you sand the entire area free of the old paint this will ensure good adhision bondo directly onto the metal sand it smooth and constantly feeling for high low spots you want a smooth even surface once done hit it with some etching primber then some sandable primber
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Old 03-26-2012, 04:16 PM   #6
 
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o yea right right, well yea i do body work on cars with bondo, and i didnt know what thick is to you, cuz yea like mojo said half an inch thick is ridiculous. but i dont think i will have a choice on this one...i will figure something out and will post pictures during and after. thanks!
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Old 03-26-2012, 05:04 PM   #7
 
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Try starting with tiger hair/resin with chopped up fiberglass and finish with bondo.
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Old 03-26-2012, 05:08 PM   #8
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Holes or dents?
Dents will be fine but actual holes (fuel leaks), no.
You'd need a good sealer in the tank.
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Old 03-26-2012, 10:06 PM   #9
 
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ditto, gas will lift the bondo. When you see this big old bubble start to form on your tank that you just painted, wait another day and youll see gas leaking all over the place..and that thumping sound you will be hearing will be your head that your beating the wall with..
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Old 03-26-2012, 11:57 PM   #10
 
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theyre dents not holes
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