an engine near and dear to the hearts of 427 cubic inch V8 fans, was bad enough, the Chevrolet Performance Catalog no longer lists the LS7 or the related LS427/570 crate engine for sale ...

Under the hood, a 427-cubic-inch LS7 V8 produces 505 horsepower and ... weight advantage for racing. More of the engines were sold as crate engines to racers. By 1970, the big-block engine grew ...