Well. Not getting it together this weekend

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Having trouble getting the paper thin oil ring retainers to go in the cylinder.
So I'm ordering a different ring compressor to try again.
Had one pop out under the compressor and catch the block. Which of course bent it and it is no longer round. So there is a gap between it and the cylinder 1/3 of the way around.
So I figured I'll put that to the side, steal one from #8 and order a replacement. So that I could continue for the day.
Got it all back in the compressor, set it in and I held it down good while my buddy tapped the piston down. It paused right at the top for a couple taps, then went in.
But I couldn't push it by hand

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So he tapped it in while I guided the rod and it did seem to go ok. Hooked it to the crank and spun it a couple times looking for marks on the wall.... Found some
One oil ring retainer had folded the end up along side the piston.
By this point I was too close to my engine and large hammers to continue forking with it.
