Or you could just smack it with a sledge hammer and a plank.
Make sure you get that liner in there all crooked before you commence to wail on it.
It's seeing things like this that makes me dread buying anything used.
WOW!! So obvious it was not lined up.
Yup, chilling the liners in a freezer & heating the block with a couple heat lamps would allow them to fall in.
I agree with Baby Grand! If someone tells you they rebuilt it, or it looks like it was repaired, BEWARE.
90cummins