427
The Chevrolet 427 Big Block: Every Version, and How to Identify One
Between 1966 and 1969 Chevrolet sold six meaningfully different 427 cubic inch big blocks, and the gap between the cheapest and the most valuable is now roughly two and a half million dollars. Ever...
In the late 1960s, GM had a rule: no engine over 400 cubic inches in anything smaller than a full size car. Don Yenko and Fred Gibb used Chevrolet's own special order system to get 427s into Camaro...