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Thread: Material make up of the Chinese Dart look alike block

  1. #1
    Senior Member EXPERT BUILDER
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    Material make up of the Chinese Dart look alike block

    I first have to that Leo at http://www.rlengines.com/ in conjunction with Turbocam which performed an Optical Emission Spectroscopy, I will add Leo has been working on a new anti-wear treatment TX-1 for performance components http://www.rlengines.com/tech/TX1.pdf Guive him a call for more info.

    Some of the Key ingredients in cast iron to make it strong are Nickel,Molybdenum, Copper

    The Little-M nickel content is 0.149, Molybdenum 0.211, Copper 0.404

    Dart SHP Nickel content is 0.071, Molybdenum .016, copper 0.283

    Chinese block Nickel content is 0.005, Molybdenum 0.005, Copper 0.020

    Leo did the Brinell test by using the Rockwell B Scale and converting it to Brinell scale and he will back this test.

    Little-M tested 200

    SHP 190

    Chinese block 107

    I am sure the chinese blocks will very from block to block and now I see why when I had to line hone the chinese block it kept loading the stones up as it was extremely soft.
    WWW.CNCBLOCKSNE.COM
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  2. #2
    Member MASTER JOURNEYMAN
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    Re: Material make up of the Chinese Dart look alike block

    Looks like more Chinese junk to stay away from. Thanks Hink.


    Quote Originally Posted by hink
    I first have to that Leo at http://www.rlengines.com/ in conjunction with Turbocam which performed an Optical Emission Spectroscopy, I will add Leo has been working on a new anti-wear treatment TX-1 for performance components http://www.rlengines.com/tech/TX1.pdf Guive him a call for more info.

    Some of the Key ingredients in cast iron to make it strong are Nickel,Molybdenum, Copper

    The Little-M nickel content is 0.149, Molybdenum 0.211, Copper 0.404

    Dart SHP Nickel content is 0.071, Molybdenum .016, copper 0.283

    Chinese block Nickel content is 0.005, Molybdenum 0.005, Copper 0.020

    Leo did the Brinell test by using the Rockwell B Scale and converting it to Brinell scale and he will back this test.

    Little-M tested 200

    SHP 190

    Chinese block 107

    I am sure the chinese blocks will very from block to block and now I see why when I had to line hone the chinese block it kept loading the stones up as it was extremely soft.

  3. #3
    Senior Member DYNO OPERATOR
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    Re: Material make up of the Chinese Dart look alike block

    I am sure the chinese blocks will very from block to block and now I see why when I had to line hone the chinese block it kept loading the stones up as it was extremely soft.

    If ya check close enough you'll probably find they might be about 5% Bubble Gum! :shock:

    TS1955

  4. #4
    Senior Member RACING JUNKIE
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    thanks hink for posting your findings.

  5. #5
    Senior Member EXPERT BUILDER
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    Some more info from Dick Boyer at PBM

    Some more info. on the PBM block by Dick Boyer from PBM

    Quote Originally Posted by PBM Performance
    This is the report from an independent lab on th iron in the PBM block and yes it has very little Nickel in it MY MISTAKE ME Dick Boyer made the mistake in advertising that I should have had it tested first. however you will see it does have a good brinel test and contains copper,chromium and lots of Manganese. you will also note that it states whatever the lab said NOT WHAT EVER I WANTED TO PRINT this is a document from the Lab. NO SECRETS! THE TRUTH! The dyno test on the engine I built was performed by a PBM customer that does not want to be involved in this. All we want here at PBM is to give our customers a good product that performs up to there expectations.

    [img][/img]


    [img][/img]
    Quote Originally Posted by CNC BLOCKS

    Not very impressive numbers

    Turbo cam that did the testing did not feel cabon was a major player with cast iron as you could throw a LOG in when its being casted and it would be high any how.

    I will compare with your specs to the Little-M only

    Silicon Dart 1.270 PBM 1.630
    manganese Dart 0.663 PBM 0.930
    Copper Dart 0.404 PBM 0.320
    Nickel Dart 0.149 PBM <0.01 which mean less then
    chromium Dart 0.194 PBM 0.320
    Titainium Dart 0.0058 PBM 0.052
    Molybdenum Dart 0.211 PBM <0.010 which means less then
    Aluminum Dart<0.003 PBM <0.010 which means less then
    Vanadium Dart 0.0059 PBM <0.010 which means less then
    Lead Dart <0.01 PBM <0.010 which means less then
    Magnesium Dart <0.002 PBM <0.010 which means less then
    Tin Dart 0.0058 PBM 0.004
    Iron Dart 93.2 PBM Not mentioned


    I have no record of Sulfur or Phosphorus

    With no Nickel and no Molybdenium and low in copper I can't see how it would Brinell test very good but I am not a metal guy either.

    I am sure there will be someone that can shed some light on these numbers.

    Thanks for posting
    WWW.CNCBLOCKSNE.COM
    IS A DIVISION OF
    HINKSON AUTOMOTIVE
    RESEARCH & DEVELOPMENT

    CARL HINKSON 207-892-7215
    EMAIL CHINKSON@JUNO.COM


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