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Gas mileage increase w/ plug change

   
Old Jan 2, 2008 | 10:48 AM
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Default Gas mileage increase w/ plug change
When I installed my new injectors about 10k miles ago, I put in a new set of platinum plugs. I was running way way rich and after a decent tune i was getting around 16-17mpg. Well I just swapped out the plugs again with coppers two weeks ago, and now I just calculated 19mpg. Not too shabby.
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Old Jan 2, 2008 | 11:19 AM
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Wow-thats amazing
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Old Jan 2, 2008 | 12:25 PM
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LOL. You got to love em.
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Old Feb 1, 2008 | 06:40 AM
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not bad not bad...cooper's ARE very nice...
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Old Feb 3, 2008 | 02:58 PM
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Hopefully your new non fouled plugs will stay that way and not degrade after a few miles.
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Old Feb 3, 2008 | 07:01 PM
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Talking about plugs. What does it mean when one of the plugs have just a slight white flaky crude on them?
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Old Feb 4, 2008 | 04:31 AM
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Originally Posted by VIZAGE
Talking about plugs. What does it mean when one of the plugs have just a slight white flaky crude on them?
sounds like burnt fuel additives,post pic
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Old Feb 4, 2008 | 05:30 AM
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Wow that's a pretty good difference ... I'll have to check my plugs one of these days
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