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Thread: Switching from Comp to Morel lifters

  1. #1
    Senior Member MASTER BUILDER
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    Switching from Comp to Morel lifters

    When switching from Comp Cams 819-16 standard height roller lifters to the Morel Ultra Pro .300 tall lifters part number from PBM RL982 will the pushrods be the same or will i need a different length pushrod? Thanks

  2. #2
    Senior Member RACING JUNKIE
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    Shorter pushrods required and if you're running shaft rocker setup, you really need to measure for the correct length, not saying it isn't a good idea to measure even with convention roller rockers.

    JMO

    Zip.

  3. #3
    Senior Member RACING JUNKIE
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    You may need new pushrods but should ALWAYS check to be sure
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  4. #4
    Senior Member MASTER BUILDER
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    I made the swap and the pushrods stayed the same.The pushrod seat location in the lifters measured the same between the two.

  5. #5
    Senior Member RACING JUNKIE
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    I know yours are .842, but what is the deal about the 1" dia units? They say the exhaust lifter has two sets of needle rollers. Is this a set inside a set? Dave


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