I need suggestions--finish battery tray fix...

Discussion in 'Cosmetic' started by scooper77515, Jan 25, 2008.

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  1. scooper77515

    scooper77515 No current projects.

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    I have a crappy welder, therefore, I have crappy welds. I basically have to weld a bunch too much, then grind down flat, but it still leaves pits.

    Here is what I have so far...should I use bondo to fill in the pits before I clean and paint the engine bay?

    Before...

    [​IMG]


    And After...

    [​IMG]
     
    scooper77515, Jan 25, 2008
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  2. Rando76

    Rando76 Member

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    After you have it cleaned up, you might think about coating it with POR-15 or Rust Bullet. If the pits are small, it should fill them in and protect the area for the future. These products are sandable and paintable too.
     
    Rando76, Jan 25, 2008
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  3. scooper77515

    scooper77515 No current projects.

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    Didn't even think of POR-15...good idea.

    I think I will do a coat of bondo to fill in the deep pits, then POR-15 over it. I am assuming POR-15 will stick to bondo....:huh:
     
    scooper77515, Jan 25, 2008
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  4. Grabber5.0

    Grabber5.0 Gear-head wannabe

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    I would not try to put POR-15 over bondo. My thought: Prepare the surface for POR-15, then use POR-15, then use some high-solids primer/filler primer (within POR-15's recommended timeframe so you don't have to scuff it). At that point you shouldn't need much filler.
     
    Grabber5.0, Jan 25, 2008
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  5. scooper77515

    scooper77515 No current projects.

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    I guess I should pay a visit to POR-15's website and get specific instructions on how to do that.

    I did hit it some more with the sander and got more of the pits leveled out.

    I hate flux-core mig welding...Someday, when I grow up, I will get one that accepts gas...
     
    scooper77515, Jan 25, 2008
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  6. Grabber5.0

    Grabber5.0 Gear-head wannabe

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    So I take it your welder can't be upgraded to use gas. It's definitely a LOT nicer if you've used both.
     
    Grabber5.0, Jan 25, 2008
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  7. tweet66

    tweet66 where am I?

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    Use a fiberglass based body filler. They're less likely to absord any standing water or acid that might settle there later.
     
    tweet66, Jan 25, 2008
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  8. scooper77515

    scooper77515 No current projects.

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    My welder is a $99 Harbor Freight special. I got it before I got serious on this project. It is fine for heavy metal, like the shock tower 1/8" plate, but for sheet like this 22 gauge, it is not too good.

    It does not accept gas.

    I borrowed Rolandag2's welder and bottle and it welded MUCH nicer (for another project). I just don't have the funds right now to upgrade. Need to, though...

    I have sanded it down pretty good, I might be low enough that straight POR-15 will fill in the pits.
     
    scooper77515, Jan 25, 2008
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  9. 71gold

    71gold Frank Cooper Supporting Member

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    you were on this thread...rust encapsulant vs. por-15 ...
    giving advice on using por-15 and now you are going to go to their website and read the instructions..:huh:

    Simon...Sim...i mean... Scott...Scott...Scott...:slap:


    ...:hmmm:...
     
    71gold, Jan 25, 2008
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  10. 71gold

    71gold Frank Cooper Supporting Member

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    ...close the hood...:yup:
     
    71gold, Jan 25, 2008
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  11. 71gold

    71gold Frank Cooper Supporting Member

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    i used Rust Bullit and fiberglass mat...

    ...:Handshake...
     
    71gold, Jan 25, 2008
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  12. blugene

    blugene Senior member Supporting Member

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    Sand it, prime it and the small pits use red sh*t...spot putty... then close the hood :D.
     
    blugene, Jan 25, 2008
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  13. scooper77515

    scooper77515 No current projects.

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    Finally, some PRODUCTIVE banter...

    I am cleaning and painting the engine bay this weekend, so I can leave the hood open.
     
    scooper77515, Jan 26, 2008
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  14. scooper77515

    scooper77515 No current projects.

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    Even though this is not productive discussion material for this thread...
    In the past, I have read POR-15 instructions for using it on metal, not on any other materials.
     
    scooper77515, Jan 26, 2008
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  15. Rando76

    Rando76 Member

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    Did you get it painted? Where are the pics?? :D
     
    Rando76, Jan 28, 2008
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