The Chevrolet big block engine has eight cylinders, so the distributor cap will have eight terminals. The firing order for a Chevrolet big block is 1-8-4-3-6-5-7-2. This means that the spark plug wires should be connected to the distributor cap in the following order:
- Terminal 1: Spark plug wire for cylinder 1
- Terminal 8: Spark plug wire for cylinder 8
- Terminal 4: Spark plug wire for cylinder 4
- Terminal 3: Spark plug wire for cylinder 3
- Terminal 6: Spark plug wire for cylinder 6
- Terminal 5: Spark plug wire for cylinder 5
- Terminal 7: Spark plug wire for cylinder 7
- Terminal 2: Spark plug wire for cylinder 2
