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Paint mixing and ratios for a frame ( I need some help on this)

Discussion in 'The Hokey Ass Message Board' started by 56 ford custom, Jun 25, 2013.

  1. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Well its my first time mixing and painting with a gravity feed air gun. I am painting the frame of my f100 with industrial rustoleum red primer then the industrial rustoleum black gloss after. I was told the primer has to be thinned 10 % per quart? How much would that be? Im sorry im not too good at this at all.
     
  2. plym_46
    Joined: Sep 8, 2005
    Posts: 4,018

    plym_46
    Member
    from central NY

    gee my 5th grade math would make that 3.2 ounces of thinner to a 32 ounce quart of paint. Are you going to add any hardener to your top coat????
     
  3. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Like I said I am not good at this stuff. Yes I am using hardner as I am told it will also have more shine. If thats true.
     
  4. SpeedRacer2002
    Joined: Jan 11, 2002
    Posts: 777

    SpeedRacer2002
    Member

    one ounce of reducer for every 10 ounces go to your local hardware store and get a mixing cup it will have numbers on the side in incriments if you put 20 parts paint 2parts reducer
     
  5. burl
    Joined: Nov 28, 2007
    Posts: 888

    burl
    Member
    from Minnesota

    I actually thinned closer to 20 % with acetone and used a 1.8 tip.It srayed out real well and the finshed looked pretty good.Using a marked cup from the paint supply place helps to measure.
     
  6. VoodooTwin
    Joined: Jul 13, 2011
    Posts: 3,453

    VoodooTwin
    Member
    from Noo Yawk

    Spray VERY light coats. This paint when reduced loves loves loves to run run run.
     
  7. FenixSpeedShop
    Joined: Mar 19, 2013
    Posts: 202

    FenixSpeedShop
    Member

    As said earlier, the mixing cups are the way to go, makes your life a lot easier.
     
  8. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    I will have to go get that cup
     
  9. Thin your color and your primer 10 percent with Laquer thinner,forget the thinner made for it its slower than hell and leaves it gummy....Rustoleum is great for a ch***is color and stay good a long time....
    in leiu of having a viscosity cup try this.....
    using a common paint stick, stir the mixture up well and then pull the stick strait up out of your paint.....
    counting one second at a time you should have a steady drop drop drop till 9 or 10 seconds before it stops and hesitates [longer]......that is an ideal viscosity
     
  10. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    I had already bought this so I think I will stay with it
    [​IMG]
     
  11. Hmmm not familiar with that reducer.....
     
  12. kracker36
    Joined: Jan 21, 2012
    Posts: 765

    kracker36
    Member

    Try thinning it slowly---stir it with a paint stick and remove the stick. Count the DROPS and quit thinning it when 10-12 drips fall. Fewer drips---add a little thinner. DONT go to much though.
     
  13. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Its a steady stream
     
  14. kracker36
    Joined: Jan 21, 2012
    Posts: 765

    kracker36
    Member

    Is that before any thinner is added? Does it start to drip after a second?
     
  15. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Well I sprayed and its working well. I added more thinner and after about 2-3 seconds there are individual droplets. Adding more wont change the tone of the paint right? Well I hope not
     
  16. kracker36
    Joined: Jan 21, 2012
    Posts: 765

    kracker36
    Member

    Once it starts dripping, shoot for 10-12 drops. Than should work fine. As long as it sprays well and lays down without a lot of orange peel, you should be OK.
     
  17. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Well this is the undercoat and its that red oxide color primer thats alittle orange ish. So we will see
     
  18. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Here ya go fellas:

    First pic and bare metal on left and primer on right
    [​IMG]

    [​IMG]

    [​IMG]
     
  19. shocker998md
    Joined: May 17, 2009
    Posts: 878

    shocker998md
    Member

    good luck on the black top coat. I havent gave up yet, but I can spray rusty metal primer slick as gl*** and then when Id go to the black, both semi gloss and flat, it spits and spatters and orange peels a bunch. I hope you do better then me when you go to the black.
     
  20. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Thats what im nervous for. Did you have the psi too high? Also was the paint thinned enough? How do you avoid orange peel?
     
  21. hotrod40coupe
    Joined: Apr 8, 2007
    Posts: 2,561

    hotrod40coupe
    Member

    I think I would do some more prep work on the frame before paint. It's ok to use a filler on those pitted areas, then sand smooth.
     
  22. shocker998md
    Joined: May 17, 2009
    Posts: 878

    shocker998md
    Member

    I thinned it to what it was recommended to. Cleaned my gun and then started shooting. If I remember right I closed up the fan and sprayed it thick so it wasnt splattering as much.

    I just remember I was pissed because of how well the primer shot compared to the black. It still was ok for a frame and then a skid plate I did.

    When I painted my truck I used a two part flat black and it shot fine. I just cannot figure out rustoleum.
     
  23. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Wouldnt it be pointless to use filler on the pitted areas that wont be seen?
     
  24. hotrod40coupe
    Joined: Apr 8, 2007
    Posts: 2,561

    hotrod40coupe
    Member

    You don't think anybody will look under your car?
     
  25. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Well im sure they will but I mean its not a show truck and...its a truck.
     
  26. 53olds
    Joined: Sep 7, 2008
    Posts: 2,880

    53olds
    Member

    I think it turned out good. A little texture on a frame is not a bad thing..especially on a truck. Now just shoot the black.
     
  27. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    Thanks! I will do that.
     
  28. 56 ford custom
    Joined: Aug 22, 2006
    Posts: 4,801

    56 ford custom
    Member
    from Socal

    I am prepping the primer for the top coat pant I was told to use a Scotch Brite 600 grit pad.. where do I get it and what is the process of the prepping and what should it look like after I am done?
     

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