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How do you go about getting lift after adding 1.6 rockers.

This is a discussion on How do you go about getting lift after adding 1.6 rockers. within the Internal Engine forums, part of the LSx Technical Help Section category; I have a 350 engine that have a 480/480 lift cam, I added the 1.6 rockers sometime ago, I knew ...

  1. #1
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    pewter
    99 Trans Am

    How do you go about getting lift after adding 1.6 rockers.

    I have a 350 engine that have a 480/480 lift cam, I added the 1.6 rockers sometime ago, I knew the lift and how to get it but I have forgotten, can anyone help me out With the now lift and how to go about getting it?

  2. #2
    Moderator Firebirdjones's Avatar
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    Take the .480 lift and divide by the original 1.5 rocker ratio to get the lobe lift.

    In this case you get .320

    Then take the lobe lift and multiply that by the new rocker ratio

    .320 x 1.6 = .512 valve lift.

  3. #3
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    pewter
    99 Trans Am

    Thanks for the info.

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