Thread: stock pistons and big valve heads
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Old 11-21-2011, 02:02 PM
  #2  
markdunlap
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Join Date: Jan 2004
Location: central Illinois
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Default stock
It's a trade off at best.


If you advance the cam, the intake V/P will decrease and the exhaust V/P will increase. If you retard the cam the intake V/P will increase and the exhaust V/P will decrease.
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