how the hell

[ame="https://www.youtube.com/watch?v=TpFK5L9_niA"]1971 Dodge Demon Slant Six First run in 15 years with rod knock - YouTube[/ame]

[ame="https://www.youtube.com/watch?v=BhxPYIGUvRY"]Slant 6 knocking - YouTube[/ame]