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Hardcore block coolant flush?

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    Hardcore block coolant flush?

    I bought a block that had been sitting for a while. There is a lot of rust built up in the coolant chamber, around the cylinder sleeves.

    Any recommendations on what I can do to remove this rust? Ideally I'd like some sort of chemical I could just flush the block out with. I really don't want to disassemble the entire bottom end and get it professionally dipped.

    '88 325is
    VP UT of Austin Autoholics
    BMWCCA 380364

    #2
    I wonder if CLR will do it

    I was up above it, Now I'm down in it ~ Entropy - A Build thread.
    @Zakspeed_US

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      #3
      Garden hose till it runs clean.
      Originally posted by Matt-B
      hey does anyone know anyone who gets upset and makes electronics?

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        #4
        ASk a machine shop to hot tank it.... nevermind. lol
        Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



        OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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