18436572 NEW ANSWER: If it is the new style engine, Then the firing order is 1-8-7-2-6-5-4-3
1-8-4-3-6-5-7-2 firing order is for the engines that have a Distributor.
We need to know size engine you have.
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1, 6, 5, 4, 3, 2.
The firing order for the 4.3L engine is 165432
The firing order for the 4.3L engine is 1 6 5 4 3 2
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All Chevy firing orders are 1 8 4 3 6 5 7 2
Which engine? 5.7liter vortec
73 Chevy 350 firing order: 18436572 countercockwise
firing order for the 454 is the same as the 350 ( 1-8-4-3-6-5-7-2 )
the firing order of a 6 cyl. Chevy is-----1,5,3,6,2,4 ( this is for an in line 6)
A diagram for a 2001 Chevy impala 3.4L engine & coil pack firing order