In the Ford 6.8 liter gasoline V10 engine :
The engine cylinder locations are numbered :
firewall
5 - 10
4 - 9
3 - 8
2 - 7
1 - 6
front of vehicle
The firing order is ( 1 - 6 - 5 - 10 - 2 - 7 - 3 - 8 - 4 - 9 )
It has the Coil On Plug ( C.O.P.) ignition syatem with ( 10 ) individual coils
firewall 5 - 10 4 - 9 3 - 8 2 - 7 1 - 6 front of Ford Excursion 6.8 liter V10
On a Ford Expedition , 4.6 and 5.4 : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
firewall 1-----2-----3 4-----5-----6 front of Ford Escape > driver
firewall 5 - 10 4 - 9 3 - 8 2 - 7 1 - 6 front
firewall 5 - 10 4 - 9 3 - 8 2 - 7 1 - 6 front
firewall 3 - 6 2 - 5 1 - 4 front
Ford V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford vehicle ( V8 )
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
6 quarts with a new filter