Thread: How much improvement to expect from some new heads.
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Old 10-11-2007, 05:18 AM
  #8  
badrad
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Join Date: May 2007
Location: San Dog
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Well from everything I read those 074 castings don't flow for crap stock, especially with what your doing. My AFR 305 heads decimate those numbers, JMHO but I bet in your case you will see a big difference with new heads.
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