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repainting after runs

Discussion in 'Early CJ5 and CJ6 Tech' started by cj5lover, Sep 17, 2011.

  1. Sep 17, 2011
    cj5lover

    cj5lover Member

    Joined:
    May 23, 2011
    Messages:
    64
    hey guys

    it's been awhile since a painted a car. i painted my 62 cj5 this morning and made a rookie mistake. i put on first coat on way too thick and i have several major runs now. i'm wondering for those of you who might know, how long should i wait to sand down and repaint the panels??

    (paint: ppg mtx. 4 coats single stage. red) i'm not gonna try and wetsand and buff them out. being single stage paint and i dont have a buffer anyway.
     
    cj5lover, Sep 17, 2011
    #1
  2. Sep 17, 2011
    windyhill

    windyhill Sponsor

    PA
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    Nov 4, 2006
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    1,502
    I'd do it today, as the rest of the paint you mixed is going to go bad soon.
     
    windyhill, Sep 17, 2011
    #2
  3. Sep 18, 2011
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    I presume you used a catalyzed (2K) product?

    I suggest you shave off the runs with a razor blade. This is a standard technique - there's even a tool that resembles a tiny block plane to shave off the runs. Then sand and recoat. Follow the directions on the product you used for how long you have to wait until you can sand. Likely there is a window where you're ok to sand and can still recoat. If you wait too long, you'll have to sand everything for the new coat of paint to stick.
     
    timgr, Sep 18, 2011
    #3
  4. Sep 18, 2011
    cj5lover

    cj5lover Member

    Joined:
    May 23, 2011
    Messages:
    64
    my paint is not pre mixed so i can repaint whenever. i saw the razor blade thing online elsewhere. i'll give it a try. i really want to know how long i have to wait to sand then paint. there are no specs online or anywhere about that. from what i've read i should DA it w/320 then repaint. just not sure, wait 24 hours, 48, 3 days, a week?
     
    cj5lover, Sep 18, 2011
    #4
  5. Sep 18, 2011
    cj5lover

    cj5lover Member

    Joined:
    May 23, 2011
    Messages:
    64
    well, i waited a day and a half. sanded down the panels and repainted them. i couldn't wait any longer. i'm sure the paint wasn't completely dry as it takes a few weeks, but i went ahead and it looks good and was well worth it. thanks for the help.
     
    cj5lover, Sep 18, 2011
    #5
  6. Sep 18, 2011
    Dan66cj5

    Dan66cj5 Member

    Oregon
    Joined:
    Feb 20, 2003
    Messages:
    235
    Sounds like you got it ok. I know some paint takes 30 days to fully cure and does not recommend any color sanding and buffing until then.
     
    Dan66cj5, Sep 18, 2011
    #6
  7. Sep 19, 2011
    F Bill

    F Bill Member

    Abilene, TX area
    Joined:
    Jul 3, 2006
    Messages:
    274
    Just a FYI, you can use the sticky side of masking tape to pull the excess paint off a run IF you do it while the paint is still wet. It takes a little finesse but it looks a LOT better than a waterfall of paint. Tends to leave some orange peel but it will level out eventually.
     
    F Bill, Sep 19, 2011
    #7
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