On the Ford 6.8 liter V10 engine :
firewall
5 - 10
4 - 9
3 - 8
2 - 7
1 - 6
front of vehicle
The spark plug firing order is ( 1 - 6 - 5 - 10 - 2 - 7 - 3 - 8
It has the Coil On Plug ( C.O.P. ) ignition system with ( 10 ) individual coils
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