What is the firing order for an 8 cylinder older Nissan pickup Maybe a 4 or six but has sparkplugs?

1-8-4-3-6-5-7-2

The firing order for a 4-cylinder older Nissan pickup is:

1-3-4-2

The firing order for a 6-cylinder older Nissan pickup is:

1-5-3-6-2-4