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Thread: harmonic balancer
          
   
   

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  1. #1
    lightning1901 is offline CHR Member Visit my Photo Gallery
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    harmonic balancer

     



    looking at parts for my 429, what does this mean ?

    "Although this engine is externally balanced, there is no imbalance weight in the damper so it comes as a neutral balance damper". also had "Available in External or Neutral balance"

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Copied from the Pro Race website:

    "Please Note: that the 429-460 engines are often called ‘externally balanced’, however unlike most engines, the external balance mass is attached to the spacer sleeve behind the damper. The damper is neutral balanced; however the spacer sleeve is externally balanced."
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.

  3. #3
    lightning1901 is offline CHR Member Visit my Photo Gallery
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    ok, this is some info i got from another board, any of this sound right ?

    "If it's a 71 core engine then external balance is simply meaningless to you because that started in 1979 and does not apply to your engine at all."

    here is the info i have on parts i can see, i cant actually get a true date, only casting numbers,,

    Block D1VE A2B
    Heads D3VE A2A
    Intake D6VE 9425 A3A
    Water Pump D2VE BA

  4. #4
    Paul Kane's Avatar
    Paul Kane is offline CHR Member Visit my Photo Gallery
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    All harmonic balancers, regardless of year of the 429/460, are neutral balance pieces and will fit any 429/460 engine. The difference between internal balanced/external balanced rotating assemblies is in the crank spacer (located between balancer and timing cover) and the flexplate (bolted to rear of crankshaft).
    Quote Originally Posted by lightning1901

    here is the info i have on parts i can see, i cant actually get a true date, only casting numbers,,

    Block D1VE A2B
    Heads D3VE A2A
    Intake D6VE 9425 A3A
    Water Pump D2VE BA
    99% likelihood that your engine is internally balanced. All of the D1VE blocks came this way from the factory, but it is technically still possible that somebody rebuilt your engine and fit it with a late model exernal balance crank..although this is highly unlikely.

    Paul

    429/460 Engine Fanatic

  5. #5
    Paul Kane's Avatar
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    Cool

     



    Quote Originally Posted by DennyW
    Block D1VE A2B----------------1971
    Heads D3VE A2A---------------1973
    Intake D6VE 9425 A3A---------1976
    Water Pump D2VE BA----------1972
    The D1VE blocks were used from 1971-1978.

    The D3VE heads were used from 1973-1985.

    (Etc.)

    For more info on block characteristics, click HERE

    Paul

    429/460 Engine Fanatic

  6. #6
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    Paul, so you are saying that even if an engine has D1 starting out the block number, it could be even later? That's surprising to learn. I always thought Ford used that number to nail it down to a specific year.

    Is that just for the 429/460 blocks and parts, or does that same logic carry over to the 302's. 351's, etc.

    Don

  7. #7
    R Pope is offline CHR Member Visit my Photo Gallery
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    The Ford parts dates mean the year the part was first used. If it went on unchanged, the year code didn't change.

  8. #8
    Paul Kane's Avatar
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    These block identifying marks (C9VE, D0VE, D1VE, etc.) are not actual "casting numbers" or "year codes" or "date codes," but are in fact noted engineering revisions that are cast into the block castings. They give not so much the actual year that the block was cast but more specifically tell the revision of the block as specified by said engineering revision. The actual date code is alphanumeric (like "5D24") and is located in the lifter valley.

    As noted in my above post, I have summarized this right HERE.

    Paul

    429/460 Engine Fanatic

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