tick sound at spark plug wire
buyer of my 91 zr-1 is getting a tick on cylinder #2 , seems to be coming from the spark plug area near cam cover. i have not seen it in person just going by what he is telling me. any ideas? he thinks it's a bad wire, wires have 15-20k miles on wires. coils and spark plugs about the same mileage. seems to happen after driving it for over 30 minutes
thanks
todd
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