The Mark IV 427 engine was an iconic if not short-lived V8 engine from the 60s It got effectively superseded by the 454 which was the last great Chevy big block of the golden age of muscle cars ...
HOT ROD convinces Mystery Motor owner Tom McIntyre to bring his 52-year old prototype 427ci Chevy big-block engine built for NASCAR racing to the engine dyno. We spin the 427 to more than 6,000 ...