Help stuck engine

he never asked how to fix it he asked how to unstick it .
to fix it it neads a tear down but it is much easier to fix it if it isnt stuck .

Exactly, I plan on a re-ring at the least after it is free depending on the condition of the sleeves as to how far I go. It was rebuilt a few years before it was parked so the 5600 hours on the meter are not how many on the bearings etc.