[fordtough.ca]

f150phule took these right from my Haynes manual and asked me to post them up which I think is a great idea.
Thank you Paul
It shows the V6 and the early 4.6 and newer 4.6, 5.4 firing orders.
The V6 firing pattern is equal meaning cylinder 1 and 4 fire at the same time then 2 and 5 then 3 and 6 unlike the V8s

Here is the info