I agree,when I winterize I go and get 6 gallons of RV antifreeze. I run 3 through the engine pull the drain plugs let her drain completely then pull a top hose and run 2-3 gallons back ib. Been doing that for 20 plus years and never an issue in the spring. Depending on where and how bad she's cracked you can have it welded. Did it a couple of times with race engines,it's a pain but not as bad as paying to replace.
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