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  1. #1
    Join Date
    Sep 2007
    Posts
    207

    Default vortec head max lift

    doe someone know maximum valve lift on 10239906 or 12558060 vortec heads someone told me 480 max or retainer hits top of guide any one know this number? thank you

  2. #2
    Join Date
    Sep 2009
    Posts
    723

    Default

    Last set I had was .460 I think but your answer is something close to that mid to upper .400 range.

  3. #3
    Join Date
    Nov 2012
    Location
    Wisconsin
    Posts
    3,075

    Default

    Can't you run a longer valve and spring so you don't get coil bind?
    Member of the Luxemburg Speedway Hall of Fame
    Class of 2019

  4. #4
    Join Date
    Feb 2016
    Location
    The land of Irma
    Posts
    3,774

    Default

    Im not sure of the specifics, but we always ran 575 lift on our llm engines.

    Call Mike at Wildcat Performance in Adel, Ga if you have any questions.
    Turn LEFT, Vote RIGHT!

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