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Spark Plugs

510 Views 7 Replies 4 Participants Last post by  ForteGT2
I wonder how these would work in our KIA

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Volvo used a 3-prong spark plug in the older NA 5 cylinders on the basis of a "triple spark" providing more complete combustion. Only problem? The electrical energy will choose the path of least resistance, so it will end up sparking across only one of the three prongs. People replace those fancy plugs in their Volvos with the cheaper traditional plug that was factory installed in the turbo cars and have experienced no difference between the two styles.
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So that design will actually spark in 2 different spots, but you need a totally different coil with 2 outputs to run it. Not plug and play by any means, and likely not an easy retrofit. Also unlikely to give you any noticeable improvement
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