Firing order 1, 8, 4, 3, 6, 5, 7, 2 ...............................
Cylinders 1, 3, 5, 7 - LH side of engine
Cylinders 2, 4, 6, 8 - RH side of engine
Coil pack 1 feeds cylinders 2, 3, 5 and 8.
Coil pack 2 feeds cylinders 1, 6, 4 and 7.
If your replacing yer leads with Magna-Core (The Blue ones ) .... just take on off one at a time until you've replaced them all ....