Published On Nov 1, 2023
Do spark plugs have a shelf life? In this video, we test decades-old AC Delco R45TS spark plugs side by side with new ones to see if there's a difference.
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Do spark plugs have a shelf life? In this video, we test decades-old AC Delco R45TS spark plugs side by side with new ones to see if there's a difference.
