Is my engine block clean enough to mount the head? (PICS)

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  • amdspitfire
    Wrencher
    • Mar 2006
    • 254

    #1

    Is my engine block clean enough to mount the head? (PICS)

    Been scrubbing like crazy and using a wire brush on the block to clean it up. It still doesn't seem perfect.







    WATERPUMP SURROUND:





    Does all that need to come off? What's the best way?
  • Farbin Kaiber
    Lil' Puppet
    • Jul 2007
    • 29502

    #2
    looks ok, green scotch brite is your friend....

    Comment

    • dmoney(AB)
      E30 Fanatic
      • Feb 2005
      • 1372

      #3
      try a gasket scraper or razor blade, thats what I use at work, lots of brake cleans too.



      mtech1/2jzgte/r154/275tire
      function>form

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      • Jordan
        R3V OG
        • Oct 2003
        • 12907

        #4
        No no no, do NOT use scotchbrite. For shits sake people. That abrasive will find its way into your cylinder bores, and get trapped in the piston rings. Using abrasives to clean a sealing surface is always a bad idea.

        Use a razor blade (in a solid holder) to scrape the rest of the crap off. If you have compressed air and a die grinder then use a 3M Roloc bristle disc, they are made for this.
        Tenured Automotive Service Professional - Avid BMW Enthusiast

        Vapor Honing & E30 ABS Pump Refurbishment Service
        https://mtechniqueabs.com/

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        • Farbin Kaiber
          Lil' Puppet
          • Jul 2007
          • 29502

          #5
          Originally posted by Jordan
          No no no, do NOT use scotchbrite. For shits sake people. That abrasive will find its way into your cylinder bores, and get trapped in the piston rings. Using abrasives to clean a sealing surface is always a bad idea.

          Use a razor blade (in a solid holder) to scrape the rest of the crap off. If you have compressed air and a die grinder then use a 3M Roloc bristle disc, they are made for this.


          stupid me, i meant the brown discs, i pulled a brainfart. I need to stop posting while writing up invoices for customers at work. Sorry for the stupid. I meant 3M and scotchbrite came out.

          Comment

          • dark89e30
            Wrencher
            • Jul 2007
            • 263

            #6
            No, it's not clean enough because you have metal shavings inside every orifice on your block!!

            Comment

            • thereisnoyun
              R3VLimited
              • Feb 2007
              • 2301

              #7
              cleaning surface for gasket

              use razor like everyone said... its the best way... I wouldnt use a wire brush for gaskets surfaces... its kind of too rough...

              Comment

              • amdspitfire
                Wrencher
                • Mar 2006
                • 254

                #8
                what should I use to clean the surface/holes? Compressed air then a wipe with alcohol?

                Comment

                • SpecM
                  R3V Elite
                  • Oct 2005
                  • 4531

                  #9
                  Originally posted by amdspitfire
                  what should I use to clean the surface/holes? Compressed air then a wipe with alcohol?
                  -I'd wipe with some brake-clean/parts cleaner, but I guess alcohol will work.
                  1989 cirrisblau-metallic 325i

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