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Little to nothing to be gained on a newer car. Older cars can find benefits as with exposure to weather and time (read corrosion), the resistance in the factory ground wires increases, so a new set of grounds helps restore the good contact the car originally had and keeps everything flowing the way it should.
You could also just replace all the ground wires with new ones rather than use one of these grounding kits and generally get the same effect.
Last edited by bgrieger; 11-24-2006 at 08:20 AM.
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