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E3 spark plugs?????????

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Old 12-22-2009, 12:05 AM
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Default E3 spark plugs?????????

did you ever try any of those e3 diamondfire spark plugs do they actually work or is just a sales fraud
Old 12-22-2009, 12:21 AM
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I am running them in my jeep and i checked my mileage and drove my jeep very easy like normal and got 2mpg better. felt like it did give it a little more power and easier starting. Nothing incredible though.
Old 12-22-2009, 12:41 AM
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But 2mpg over time pays for them..
Old 12-22-2009, 12:49 AM
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yeah i know, i wasn't complaining. I would buy them again
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