What is the firing order and rotation of a gm v8 vortec engine?

with 1 the front left plug, 1-8-4-3-6-5-7-2 CW rotation of the rotor far back as i can remember all GM been that way remember they're number 1-3-5-7 on the left head and 2-4-6-8 on the right fords are 5-6-7-8 on the left and 1-2-3-4 on the right