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Need to know how to get true lift with 1.6 rockers

This is a discussion on Need to know how to get true lift with 1.6 rockers within the Internal Engine forums, part of the LSx Technical Help Section category; I need someone to show me how to get the lift of a cam using a 1.6 rocker. just say ...

  1. #1
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    pewter
    99 Trans Am

    Need to know how to get true lift with 1.6 rockers

    I need someone to show me how to get the lift of a cam using a 1.6 rocker. just say you have a 480 lift cam and add a 1.6 rocker, how do you get the lift.someone told me before but i have forgetten. Help me someone please.

  2. #2
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    If your camshaft lobe really has .480" of lift you just multiply that by your rocker arm ratio.

    .480 x 1.6 = 0.768

  3. #3
    Member Jay37's Avatar
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    Just to clear some possible confusion. Most cams are advertised with the lift for the factory rocker arms. I.E. small block is 1.5 and gen III's 1.7 I assume if your asking about a 1.6 rocker you have a gen I or II small block so if the cam says .480 you first divide by 1.5 which would be .320 then multiplie by 1.6 which gives you .512 valve lift.

    jay

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    pewter
    99 Trans Am

    Sorry about the misled I have a small block 350. It have a comp cam 280 ,with a 480 max lift. Thanks for the infro. I abbed the 1.6 rockers 2years ago, but forgot what the lift was after adding them.

  5. #5
    Member Jay37's Avatar
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    It's all good. More so browsers don't get confused. I love that comp 280 though, great cam, 230/230@ .050 and works on all good chevy heads without any mods! I've never tried running the 1.6 rockers with one though always wanted to.

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