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2JZ-GE Piston messed up?

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  • 2JZ-GE Piston messed up?

    Hey everyone, as you may know I have a 2JZ-GE I'm building, and I was cleaning and scrubbing the pistons (Nothing that would hurt them) and I noticed these gouges and chips all over the top of piston number 5.
    I'm guessing something must have gotten in the cylinder but the cylinder wall isn't scratched or anything, I haven't yet checked the valves to see what they look like, but it's only piston 5. It appears to still be usable but I wanted a second opinion, and maybe someone has an idea of what happened?

    It seems like the more I clean this engine the more is messed up under all the grime


    [IMG]2JZPiston#5-3[/IMG]


    [IMG]2JZPiston#5-2[/IMG]


    [IMG]2JZPiston#5-1[/IMG]

    Thanks in advance!
    -Link


    https://www.facebook.com/CltchLrdsDrpPnties

  • #2
    Almost looks like #5 went lean and detonated.

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    • #3
      time for forged pistons

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