What is the firing order for a 1978 Chevy Impala 305?

1-8-4-3-6-5-7-2 THE CYLINDER ARE NUMBERED FRONT TO REAR 1-3-5-7 ON THE LEFT BANK & 2-4-6--8 ON THE RIGHT BANK.look on the intake manifold & U will C some of these numbers 2 give U an idea how the sequence is.