1jz vvti oem pistons.

Thread in 'Technical Questions' started by upslidedown, Oct 12, 2015.

  1. upslidedown

    upslidedown New Member

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    I need help, I've been searching a lot on what type of pistons the oem 1jz vvti pistons are. People are saying that they're hypereuctic pistons, and others are saying that they're forged. The only info that I've got, is that the pistons have 9:1 compression and that they're 86mm pistons. But, I have no idea on what kind they are. Every bit of information helps.

    Thanks everyone.
     
    #1 upslidedown, Oct 12, 2015
  2. Swampy442

    Swampy442 Active Member

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    Im pretty sure no JZ parts are forged, just cast. Non VVTI rods are thicker therefor stronger, but I don't think any of it is forged.
     
    #2 Swampy442, Oct 13, 2015
  3. upslidedown

    upslidedown New Member

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    Okay, thank you for the info swampy.
     
    #3 upslidedown, Oct 13, 2015
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