The firing order 18436572 1357 on drivers side and 2468 on right side.
18436572 is the firing order and front to back driver side 1357 and front to back pass side 2468.
18436572
The fireing order on ALL chevy v8's is 18436572,,clockwise rotation on the rotor button,,passenger side cylinders are 1,3,5,& 7 drivers side is 2,4,6,& 8 from front to back
Number one is first plug on drivers side firing order is on the intake manifold but it is 18436572an you start where number one on the distributor were you hook vacuum up is pointing at number 6 plug thats the third one in on passager side