How often should I replace plug wires?
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TECH Resident
Joined: Nov 2001
Posts: 894
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From: Chicago, IL
How often should I replace plug wires? I have about 45,000 miles on a set of MSD wires. How much more life can I expect out of them? Or do I just replace them once the car starts to run crappy?
TECH Resident
Joined: Nov 2001
Posts: 854
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From: san diego ca
Re: How often should I replace plug wires? You can check them with an ohmmeter against MSD specs - if the resistance gets too high, toss 'em
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