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    1. #3
      Join Date
      Aug 2008
      Location
      Houston, TX
      Posts
      232
      GMPP Specs for ZZ383 with mild cam (222/230 @.050) and FastBurn Heads are 10 initial and 32 all in @4000 (the @4000 seemed way too conservative so I bumped it to 3200). I believe that the heads require less timing because of their efficient chamber design.

      Who is wise? One who learns from every man... Who is strong? One who overpowers his inclinations... Who is rich? One who is satisfied with his lot... Who is honorable? One who honors his fellows" - Ben Zoma, Ethics of the Fathers, 4:1





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