Originally Posted by Diesel911

If this is so wouldn’t it be possible for a patient person to get a die grinder and a carbide bur at grind a groove the length of the liner and relieve all of that tension holding it in. You would not have to grind all the way through. If you took the time to do it to both sides it would even be easier to get out. (my problem would be fitting my hands in the bore; but they do have long die grinders.)
When the liner is installed you take a large draw file and file it down close to the block as you can.
After that you take a lapping plate and lap it down the rest of the way until it is flush with the block.
Skilled people are doing this sort of thing every day in shipyards around the world and where machinery cannot yanked out and brought somewhere to be fixed or is too large to do so.
Is the job he had in mind worth all that trouble. I don’t think so. I is easier and takes much less skill to pull out the engine and have the job done in the normal fashion.