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copbait73 copbait73 is offline
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Join Date: Nov 2003
Location: Chesterfield IN
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Again, here is the basic chart from Porsche Engineering for this engine. On this board members with built engines and twin plugging have run at 12.5:1 effective compression with limited success.




Old 08-16-2011, 11:01 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #13 (permalink)