Thread: 622 bbc
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Old 08-14-2007, 04:06 PM
  #6  
hammertime
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Join Date: May 2003
Location: Coldwater, MI
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I had a set of big m's on a 548 they were the pro-mod ported from dart. I took them off and put a set of cnc'd dart 355's on and lost .05
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