From the February 1970 issue of HOT ROD: Producing well over 1 hp per cubic inch, Ron Hoettels' home-brewed 283-based four-cylinder beat the legendary Chevy V-8 engine at its own game. Racing history ...
One horsepower per cubic inch. Back in the 1950s, that was the target. Those newfangled overhead pushrod engines that revolutionized how passenger car engines were created only served to heat up the ...