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Thread: broken piston

  1. #1
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    Default broken piston

    has anyone ever had this happen to you?

    http://img651.imageshack.us/g/sspx0640.jpg/

    im buying all the pistons new. and was wondering if there is any reason i should not buy the flat top ones. i heard it will increase compression.

    any other advice? im not sure witch rings to buy. i liked using the brand hastings can some people give me links to buy parts. thanks alot

  2. #2
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    Default

    no love? haha. well i was hoping to get this engnie running and smog leagal soon.
    anyone who can give me some advice would be great.
    i really don't know where to purchase my parts. thanks alot

    -jim

  3. #3
    beandip beandip's Avatar
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    Default

    L-28 F-54 NA or Turbo. What head are you running? Is it milled ? I looked out of the window tonight and could not see clearly what you have.
    Sorry I couldn't help it , the devil made me do it !
    Gary
    I'd rather die while I am living than live while I am dieing. CZC 1887 IZCC 12602 Member of NorthWest Z Car Club

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    Default

    The last post is a good start but there are too many unanswered questions to comment on flat top v. dish, like is this a normally aspirated engine? Are you running an aftermarket cam, if so what kind of lift, duration, overlap? What about lash caps? The only parts advice I could offer, given the limited information, is that I found a good deal on play-dough (is that the spelling?) at Walmart. Trust me, you will need it if you build a serious engine.

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    Default

    everything is stock for that year 76. non asp. just looking to get it smog legal. and maybe a few more hp if its not too much to ask for. already got the block empty and ready for new parts. just dont know where to buy the pistons and rings from online. i dont have too many good parts stores in my area.

  6. #6
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    Default

    i did some research and im using the stock crank. i have the n47 head. is there any valve clearence issues with flat top pistons with this head? also is this a good head to work with?

  7. #7
    Supporting Member =Enigma='s Avatar
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    Default

    If I recall correctly, broken ring lands are often caused by excessive pinging or pre-ignition.
    =Enigma=
    CZCC#9360
    4/73 - HLS30-156236

    My name is Adam and I'm a Zeeoholic!

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    Default Piston Broke

    This is a problem that affects many Z owners.
    Cheers Chris

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