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what to use to clean cooling system on a v 6 used in salt water

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  • what to use to clean cooling system on a v 6 used in salt water

    hi ive been told to use caustic soda to clean my cylinder block as it is badly corroded ive stripped engine to do this and block is bare is it a wise thing or is there anything else i can use as ime going to put block in a tank and leave it soak cheers mat

  • #2
    Re: what to use to clean cooling system on a v 6 used in salt water

    Refer to this link
    Cylinder Head Cleaning: Engine Builder

    http://www.enginebuildermag.com/Arti..._cleaning.aspx
    'All other things being equal, a bigger engine makes more power.'
    1988 Bayliner 2150 Capri with 5.7 litre vortec engine and Cobra drive
    1979 Jem craft Southwind with 460 big block 550 Hp with Panther jet unit

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    • #3
      Re: what to use to clean cooling system on a v 6 used in salt water

      Originally posted by matthew daley View Post
      hi ive been told to use caustic soda to clean my cylinder block as it is badly corroded ive stripped engine to do this and block is bare is it a wise thing or is there anything else i can use as ime going to put block in a tank and leave it soak cheers mat
      Ayuh,.... A Different used block,..??....

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      • #4
        Re: what to use to clean cooling system on a v 6 used in salt water

        Wouldn't the soda also eat the bores and bearing races, lifter bores, cam bearings?
        When will people learn that impellers require regular
        replacement and are not drive it till it pukes items?

        1984 Regal Medallion 195
        3.8 V-6 with the dreaded
        OMC Stringer Drive.
        2003 Avalanche w/Hypertech

        If it ain't fixable - don't break it!

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        • #5
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          Re: what to use to clean cooling system on a v 6 used in salt water

          used caustic in the end done a brilliant job engine block was bare no bearings at all it dissolved all the rust out of cooling system i put it in a plastic 45 gallon drum and mixed 6 kilos of caustic with water then i put a steel pipe into cylinder block and connected it to a compressor so it would bubble causing sirculation left it for 3 days adding boiling water every now and then seemed to make it work better then remmoved it and washed it with a hoze first then pressure washed it with plenty of tfr to get rid of the caustic.
          the block has been powder coated to protect it new liners cam bearings cam crank and oil pump fitted looks realy good ile try and post pic but ime usless at doing computers

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