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Thread: Early HZ Inlet Manifold 4.2L

  1. #1
    Cruiser Wombat7051's Avatar
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    Oct 2013
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    Caloundra, QLD
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    Early HZ Inlet Manifold 4.2L

    Hi All
    I am wondering if someone can help.
    I was wondering which manifold is the correct one for a 12/77 HZ 4.2.
    A or B??
    IMG_2685.JPG
    Thanks for the help.
    (Both are the same size just the angle of the photo)
    Last edited by Wombat7051; 28-04-2014 at 08:15 PM.

  2. #2
    Sandman Guru
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    As far as I am aware HX and early HZ use the left hand one (A). The right hand one (B) is a HQ,HJ, LH and pre ADR27A LX.

  3. #3
    Leadfoot
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    Pollution smog pollution

  4. #4
    Administrator HZSM50's Avatar
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    Bonner ACT
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    G'day Wombat.
    I just checked out my 78 Hz that has the original engine and manifold on it, the one on the left A is correct.

  5. #5
    Cruiser Wombat7051's Avatar
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    Thanks Guys, I will experiment with cleaning methods on "B". I have read wash with High Pressure, then Mr Muscle oven Cleaner, then Acid mag wheel cleaner.
    Any other thoughts???

  6. #6
    Banned
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    Bead blast will make it look like new or try a can of carby cleaner. Make sure it's not corroded in the water ports before you do anything though.

  7. #7
    I am about to send mine off to be hydro blasted, read an article about it and they do a lot of motor cycle parts etc , they were in Sydney but now I think Central coast and also spoke to some old guys at the Ballarat Swap Meet who do the same down in Victoria

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