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Old Jun 17, 2004 | 05:04 PM
  #39 (permalink)  
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willie
Joined: Aug 2003
Posts: 138
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From: Boynton Beach FL
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I have been doing this for the past few tanks and have seen an increase in gas mileage of 1 - 2 mpg. I have not been reving past 4000 (for the most part) and have not experiened any lugging
 
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