Ok, if you own a ship with 2 main engines each kicking out 9600HP make sure you do the Big Ends up properly otherwise this might happen...

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and the piston will get stuck in the liner...

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and the block will be smashed to pieces resulting in bent push rods ..

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oh..and a new block...that'll be 1.9 million euros please...
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old block out

New block nearly in...
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lowered down through hole cut in deck into engine room..
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DONE

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not bad for two weeks work ...think you'll aggree lol