Old 06-11-2007, 05:30 PM
  #6  
topsportsman1
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RACING JUNKIE
 
Join Date: Mar 2004
Location: Maine,USA
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To run that 615 cu in engine efficently at 7800 rpm's you'll need 1527 cfm

So I'd reccomend a pro-system 1600 cfm nitrous dominator would work excelent for your engine
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