how do i paint the valve cover?

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  • ForcedFirebird
    R3V OG
    • Feb 2007
    • 8300

    #16
    I personally don't like painting aluminum parts unless you are using a 2 stage, or at least a mixed paint.

    I prefer powder-coating, it's a little bit of start up cash, but you can do all kinds of cool things...



    That's gloss black sprayed heavy, then the design polished back off, then the whole thing glass-beaded at 40psi.



    Candy translucent blue...



    Black chrome...



    matte black...






    Bought a gun at Harbor Freight for $80, oven off Craigslist for $35 and buy the colors at Columbia Coatings.
    john@m20guru.com
    Links:
    Transaction feedback: Here, here and here. Thanks :D

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    • Jand3rson
      Banned
      • Oct 2003
      • 37587

      #17
      I was going to pick up an oven just for powdercoating, my grandma just bought a new one, but her old one was gas. An electric would be much easier.

      Also, Summit Racing carries Tiger Drylac powder, they just re-brand it as their own. I just bought Mirror Silver from them for my wheels.

      Comment

      • ForcedFirebird
        R3V OG
        • Feb 2007
        • 8300

        #18
        Originally posted by Janderson
        I was going to pick up an oven just for powdercoating, my grandma just bought a new one, but her old one was gas. An electric would be much easier.

        Also, Summit Racing carries Tiger Drylac powder, they just re-brand it as their own. I just bought Mirror Silver from them for my wheels.
        I used to have a heat-treating oven at my old shop, but when we moved, it got "lost" :( it was much larger than a house oven.

        Once I got settled in the new shop, I found a double wall oven and did some "fabrication"...

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        I made the top door removable ,and just turn the top oven to "broil" and the bottom one to "bake". It's inside dimensions are 30"x19"x19" :D

        EDIT: Check out ColumbiaCoatings.com. I also use this same oven for ceramic coating
        john@m20guru.com
        Links:
        Transaction feedback: Here, here and here. Thanks :D

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        • ForcedFirebird
          R3V OG
          • Feb 2007
          • 8300

          #19
          Front to back: Aluminum color, matte black, semi-gloss black ceramic 2500* coating on some headers I fbricated..

          john@m20guru.com
          Links:
          Transaction feedback: Here, here and here. Thanks :D

          Comment

          • McGyver
            R3V Elite
            • Jun 2009
            • 4471

            #20
            well if i had powder coating i would, but im just going to try it with VHT paint. it only has to last till i get my new engine!!!!

            so i've got the VHT and duplicolor self etching primer. the can didnt have any max temp but i figure it will work right?
            sigpic
            1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
            1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
            1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

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            • 3bvert
              E30 Enthusiast
              • Jun 2009
              • 1032

              #21
              powder coat set up is on my wish list

              Comment

              • ForcedFirebird
                R3V OG
                • Feb 2007
                • 8300

                #22
                If you want a clean bomb-can on aluminum, you will have to degrease it, etch it with phosphorus, then use aluminum-specific primer. Then it will look good for a while, just make sure you don't ding it, because the paint will come off like a bag of potato chips laying on the interstate.
                john@m20guru.com
                Links:
                Transaction feedback: Here, here and here. Thanks :D

                Comment

                • kamotors
                  R3V OG
                  • Nov 2007
                  • 7102

                  #23
                  I'm painting mine tomorrow and just using vht crinkle finish.


                  7speedshop.com

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                  • BDSax
                    Junkyard King
                    • Mar 2006
                    • 3593

                    #24
                    powder coating is the way to go. paint is cracking off my m50 valve cover already.

                    Black Wrinkle on M30B35







                    NEED SOME VINYL STICKERS???

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