firing order for the 454 is the same as the 350 ( 1-8-4-3-6-5-7-2 )
the firing order is 165432
Should be like any other Chevy small block, 1,8,4,3,6,5,7,2, clockwise that is. The drivers side front plug is #1.
its 165432 for the firing order
The firing order is 1-3-4-2
18436572
18436572
1-8-4-3-6-5-7-2
18436572 you already knew
If you're looking for the firing order for a Chevy it's 18436572.
1-4-3-2 =)
they still use the older sequence 18436572
The firing order for the 99 4.3L engine is 1, 6, 5, 4, 3, 2.