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Old 02-06-2011, 07:18 AM
  #28  
spib
Senior Member
RACING JUNKIE
 
Join Date: Jan 2006
Location: EastWenatchee,WA
Posts: 887
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[/quote]
i think the 4/7 swap has something to do with helping harmonic vibration[/quote]

That is why my swap cam is in my motor !!!!
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