Thread: Difference between the Focus Mk2 RS and the ST 2.5 engine
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Old Oct 25, 2012 | 06:10 PM
  #15  
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sas
should be good!
 
Joined: May 2006
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From: fife
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The plasma coated liners are a new take on honing. In stead of the oil sticking to the block wall in small scores, it now sit on a porous "plasma" coating.
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