stage 5 rockers

Discussion in 'PSI Superchargers Tech Questions' started by bill, Mar 13, 2007.

  1. bill

    bill Member

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    why does some engine buliders put stage 5 rockers on the intake and not the ex on hemi engines with veney heads
     
    #1
    bill, Mar 13, 2007
  2. Dale H.

    Dale H. Member

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    Because a roller tip on the exhaust is a waste of money. The long length of the exhaust rocker has a shallow arc which keeps it from moving much across the valve tip. The intake on the other hand is short, and the arc makes it move across the tip alot. Thats where a roller rocker like the stage V works good.
     
    #2
    Dale H., Mar 13, 2007
  3. bill

    bill Member

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    are the reglar rcckers as strong
     
    #3
    bill, Mar 13, 2007

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