The firing order of all small-block Chevy engines, including the 350, is 1-8-4-3-6-5-7-2. The rotor under the distributor turns in a clockwise direction. General Motors numbers V8 cylinders in an alternating sequence with the number one cylinder at the front of the engine on the driver's side and the number two cylinder in the front passenger side location, according to BoxWrench.
Chevy small-block engines include several different sizes, with the greatest difference in the cylinder bore. Chevy's installation of its first 265-cubic-inch small-block engine in the 1955 Bel Air began an era in the automotive industry covering over 40 years, with this design finding use in every General Motors product line other than the Saturn.
The 1957 283-cubic-inch small-block engine with optional Rochester mechanical fuel injection holds the record as the first production engine to provide a full horsepower per cubic inch. The later 327-cubic-inch small-block engine increased the horsepower to 1.15 per inch.
The Chevy 350 V-8 is the best known of all small-block engines. It includes a 4.00-inch cylinder bore and a 3.48-inch stroke. It finds use in GM products ranging from sports cars to family wagons. The Chevy 350 powers commercial vehicles and boats. It holds the distinction as the most widely used of all small-block engines.