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1998 350 Vortec cylinder order on engine?

The firing order for a 1998 350 Vortec engine is 1-8-4-3-6-5-7-2.

Here's how it translates to the cylinders:

* Cylinder 1: Front passenger side

* Cylinder 2: Front driver side

* Cylinder 3: Rear driver side

* Cylinder 4: Rear passenger side

* Cylinder 5: Front passenger side (in the "valley" of the engine)

* Cylinder 6: Front driver side (in the "valley" of the engine)

* Cylinder 7: Rear driver side (in the "valley" of the engine)

* Cylinder 8: Rear passenger side (in the "valley" of the engine)

Important Notes:

* This firing order applies to most 1998 350 Vortec engines, but always check your specific engine's manual or a reliable source for confirmation.

* The firing order is crucial for proper engine operation and performance.

Let me know if you have any more questions!