1-8-4-3-6-5-7-2 clockwise on cap.
Drivers side head front to back are cylinders 1-3-5-7
The other head front to back is 2-4-6-8
What engine?
firing order is 18436572... looking from fan, first post on distributor will be closest to you to right. that will go to cylinder 1. post to right is 8, then 4, and so on.
18436572
18436572
123456
Firing Order: 165432 Distributor rotation: Clockwise 1993 Chevy 4.3L V6 Firing order
It's located in the distributor
18436572
18436572
distributor module
1,3,5,7,2,4,6,8,
1,8,4,3,6,5,7,2 all small block and big block firing patterns are 1,8,4,3,6,5,7,2 for Chevy