Yes, that one goes a bit beyond just stopping a leak. It must have frozen solid from top to bottom to do that much damage. What are commonly called "freeze" plug holes are actually there to poke the casting sand out at the foundry- - - -no guarantee at all that they're going to prevent block damage during cold weather! Have you got a medium-sized boat that needs an anchor?
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!