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Thread: Fixing the dent in my gas tank. Advice?

  1. #1
    Join Date
    Jun 2008
    Location
    NE Indiana
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    1,067

    Fixing the dent in my gas tank. Advice?

    I have a dent in my 350X tank. The dent isn't very bad. But, i don't have any special tools to get it out. Other then this dent, the tank is in excellent condition. It just needs stripped and repainted. I really hope i don't have to shell out the $200 for a new tank on Ebay. But, I'm sure a body shop would charge that much to fix it too. Since it's such a minor dent, i considered putting body filler in because i'm really good at that, but I don't know if it would hold up under the abuse of riding.

    Any easy ways to fix this? Should i just put a little filler on it and make it look good? I tried to rough up the area so the dent would show better in the picture but i don't know if it is coming out very well.
    Attached Thumbnails Attached Thumbnails dent.jpg  

  2. #2
    Join Date
    Apr 2008
    Location
    somerset ma
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    1,822
    I would use filler, If your good with it, it should hold up fine.. Mine has alot of filler on it and it's holding up great
    before...

    After...
    My rides, 1985 ATC 350X, With legit Lamborghini Countach paint,2003 Harley Davidson FXDL Dyna Low Rider,customised the way I like it! 1997 GMC Sierra is gone, primary mode of transportation, 2008 Toyota Yaris!

    Check out my build thread of my 350X
    http://www.3wheelerworld.com/showthread.php?95389-Tank-s-1985-350X-build-is-FINALLY-all-done!-)
    Screw giving away the Harley, It's payed for!!

  3. #3
    Join Date
    Jun 2008
    Location
    NE Indiana
    --
    1,067
    Wow. Yours looks perfect. Good job on that. Yeah, i guess i'll just use some filler if it will hold up. I'm pretty good with that stuff so it should be ok. Other then that one small dent, my tank is flawless, except the 3 coats of paint I have to strip off so i can paint it properly.

  4. #4
    Join Date
    Oct 2002
    Location
    Northeast
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    17,493
    I'm no autobody guy, but you can braise or mig weld some rods on the lowest points of the bad area, heat it up cherry red and pull them out the best you can. Once you have things that hot, they pull out like nothing.....

    Then fill them a bit as the least amount of filler the better!
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  5. #5
    Join Date
    Jun 2008
    Location
    NE Indiana
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    1,067
    Quote Originally Posted by Dirtcrasher View Post
    I'm no autobody guy, but you can braise or mig weld some rods on the lowest points of the bad area, heat it up cherry red and pull them out the best you can. Once you have things that hot, they pull out like nothing.....

    Then fill them a bit as the least amount of filler the better!
    I thought about something like that but i don't have a welder and even if i did, i haven't welded since the mid 90's. I probably couldn't even run a respectable gorilla weld now days.

    If I could find someone to tack a rod on there for me I could give that a try. I'll do some checking around at the local shops. I'm sure i could get someone to tack on a rod for hardly anything money wise.

  6. #6
    Join Date
    Dec 2007
    Location
    Indiana
    --
    235
    could always pressurize the tank with air, might pop it out.

    -Phil
    Rides:
    1985 ATC110
    1983 ATC70
    198? ATC200X (sold for $300) (bought back for $50)
    1984 200M

    Past Rides:
    1981 ATC250R (sold for $700)
    2003 Arctic Cat 500 4x4 Automatic (sold for $1000 + a 87 TRX250 Fourtrax)
    1987 TRX250 Fourtrax (sold for $600)
    1978 ATC90 (sold for $75)

    Many Many Other 90 and 110s
    198? Tri Moto 125
    And several other misc, other trikes.

  7. #7
    Join Date
    Oct 2002
    Location
    Northeast
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    17,493
    Air pressurization is the WORST thing you can do! It can explode and kill you....

    Thats why they use water when they build exhausts by hydroforming, if it lets go you get a short burst of water but the pressure immediately drops....
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  8. #8
    Join Date
    Nov 2008
    Location
    Fryburg PA USA
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    83
    Can filler be powder coated over?
    86 ATC 350X

  9. #9
    Join Date
    Oct 2002
    Location
    Northeast
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    17,493
    I do not believe so....

    Thats why I have to fix Goats guard with weld and grind it smooth again....
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  10. #10
    Join Date
    Nov 2008
    Location
    Fryburg PA USA
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    83
    ahh I seee.
    86 ATC 350X

  11. #11
    Join Date
    Feb 2009
    Location
    Rome,NY
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    1,046
    send it to syko? He does a great job and seems like he dosen't charge alot.... just a sugestion
    Last edited by KILLER; 54 Minutes Ago at 06:17 PM. Reason: beer

  12. #12
    Join Date
    Mar 2009
    Location
    hazard ky
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    25
    could a person put water in it and freeze it that might cause the seams to bust i dont know i have the same problem on my 86 200x

  13. #13
    Join Date
    Jun 2008
    Location
    NE Indiana
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    1,067
    Quote Originally Posted by iceman atc View Post
    Can filler be powder coated over?
    No. The powder won't stick in that area. If I use filler, i would have to use regular automotive paint etc. That isn't a big problem for me, personally though.

  14. #14
    Join Date
    Apr 2006
    Location
    Crestview, Florida
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    2,429
    Quote Originally Posted by mc audio View Post
    could a person put water in it and freeze it that might cause the seams to bust i dont know i have the same problem on my 86 200x
    Yes, but check it often or it'll be a ball or split
    The person who says it cannot be done should not interrupt the person who is doing it.


    Rides
    85 ATC350X
    85 ATC200X


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