The firing order for both the 3.1 & 3.4 V6 is 1-2-3-4-5-6. Click the link to see a diagram of how the plug wires are connected to the coils.
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Spark plug gap is .060
for what motor? a 3.8 L would be 0.060
.030
8
You might have switched the plug wires. Meaning that you put a plug wire in the wrong spark plug which messes with the firing order.
18436572 dist rotation is clockwise
.60
at the end of the plug wires in the head
The Spark Plug Gap.060 (In thousandths of an inch)