Here's the cylinder numbering on your 1994 Northstar - Check the plug wires and, if necessary, replace them with the expensive AC Delco set from RockAuto. Use the diagram to make sure the wires connect the correct coil towers and plugs. Make sure the ICM ground cable terminals are clean and tight.
Your engine takes AC Delco double platinum plugs #41-950. Nothing else.
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![Diagram Auto part Plan Parallel]()
Your engine takes AC Delco double platinum plugs #41-950. Nothing else.
