What is the number sequence on the distributor cap on a 454?

The number sequence on the distributor cap for a 454 cubic inch Chevrolet engine typically follows a firing order of 1-8-4-3-6-5-7-2. The number 1 cylinder is usually positioned at the front of the engine on the driver's side. The corresponding positions on the distributor cap are arranged in a clockwise direction, starting from the number 1 terminal. Always refer to a service manual for specific configurations as they may vary slightly by model and year.