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Thread: Comp cam pro mag roller rockers

  1. #1
    Join Date
    Dec 2011
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    Comp cam pro mag roller rockers

    I got some 1.85 ratio rockers so how much more lift will I get with these going from the stock 1.7

  2. #2
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    Not sure what kind of engine you have but simple math shows for a stock 99-04 5.3/4.8 cam....

    Stock 1.7:
    Intake: .457"
    Exhaust: .466

    1.85 rockers
    Intake: .497"
    Exhaust: .507"

    Wow I must be pretty bored to figure this out lol

  3. #3
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    This is why I should of payed attention in math
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    AZRAEL

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  4. #4
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    Quote Originally Posted by conekiller01 View Post
    Not sure what kind of engine you have but simple math shows for a stock 99-04 5.3/4.8 cam....

    Stock 1.7:
    Intake: .457"
    Exhaust: .466

    1.85 rockers
    Intake: .497"
    Exhaust: .507"

    Wow I must be pretty bored to figure this out lol
    Thanks I was doing my math right just wanted to be sure so divide the lift by 1.7 then multiply by the new ratio

  5. #5
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    Mar 2009
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    Hahaha just for you!!!!!.......

    New rocker ratio (1.85) X old lift (.457") divided by old ratio (1.7) and VOILA!!! new lift!!! Lol

  6. #6
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    Dec 2011
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    Your such a sweetheart !!!!!!

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