INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

prc vs stock 799

Old Oct 23, 2017 | 04:34 PM
  #11  
topher67's Avatar
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Interesting, I always thought they were just larger from factory. Thanks I'll do some research on it.
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Old Oct 25, 2017 | 03:40 PM
  #12  
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Originally Posted by 1FastBrick
The port design is different between the 2 heads.
you got any reading material on this? I figured all cathedral port heads are cathedral port? Or are you referring to the actual CC size of the port design?
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