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    1. 05-02-2005 #1
      Z4MYBOYS
      Z4MYBOYS is offline New to Pro-Touring
      Join Date
      Apr 2005
      Posts
      31

      gm head capabilities

      Does anyone know how much horsepower corvettte alluminum heads ( casting # 10088113 ) from a zz motor can support??

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    3. 05-03-2005 #2
      Lowend's Avatar
      Lowend
      Lowend is offline Registered User
      Join Date
      Sep 2002
      Location
      San Jose, CA
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      1,793
      Stock they flow about 210cfm on the intake, with really good porting you could see MAYBE 260cfm
      Realistically The L98 heads are DONE at 450HP even with good porting
      1971 Camaro, 383 stroker ~500HP,M21 Trans with lightened flywheel. All Sorts of Auto-x Goodness in the Suspension. 12" Brakes ->SOLD

      But ask me about my 2004 STi Auto-x car...

      Just call me Brett
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