Thread: SBC 1 3/4 TO 1 7/8 HEADERS
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Old 11-16-2007, 10:04 PM
  #2  
fishman1
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Join Date: Dec 2005
Location: alberta,canada
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How much r u reving this puppy

At low end rpm u will lose hp and if u r reving it over 7500 rpm then u will gain hp in the top end.......if u r reving it to 7000-7200 rpm stay with the 1 3/4 headers
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