Due to a failed gasket (*crosses fingers*) I ended up with a hydrolock condition in one cylinder. 30k miles ago I had the head off and found beautiful cross hatching on the cylinder walls. This time around I find that crosshatch on 5 cylinder walls, while the cylinder that was hydrolocked looks...different.
[Higher res images if you click on the embedded ones]
Pretty cylinder with tiny rust spots and reflections.
Ugly cylinder with heavens knows what.
I'm wondering what I should make of this? The walls have no discernible bumps or scratches, using either my sensitive fingers or my finger nail. I'm not exactly sure I'd do anything about it even if it was a failure, as this is just a tied M20 and I'd probably run it until I had zero compression in that cylinder.
What I'd love to hear (for peace of mind) is "Rub a little cleaner X on there and it'll shine right up!".
[Higher res images if you click on the embedded ones]
Pretty cylinder with tiny rust spots and reflections.
Ugly cylinder with heavens knows what.
I'm wondering what I should make of this? The walls have no discernible bumps or scratches, using either my sensitive fingers or my finger nail. I'm not exactly sure I'd do anything about it even if it was a failure, as this is just a tied M20 and I'd probably run it until I had zero compression in that cylinder.
What I'd love to hear (for peace of mind) is "Rub a little cleaner X on there and it'll shine right up!".
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