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  1. P

    Real data. EQ standard replacement Magnum head and comparisons with oem and NZ versions.

    For anyone who's interested in this.
  3. P

    Interesting video RPM Airgap intake flow.

    testing with EQ magnum heads.
  4. P

    Engine tech magnum heads

    Has anyone on here used the enginetech brand replacement magnum heads EHCR318-1 I can get a pair bare quite cheap but not sure if they are worth the effort to make them work or buy complete assembled heads. Just for a stockish rebuild with a mild cam.
  5. P

    Factory hydraulic roller lifters RPM

    I'm looking at starting on a 3.79 stroke build with trickflow 190 heads based around a 5.9 magnum block 500hp +. Wanting to hear from people running the factory type hydraulic roller lifters.. what rpm are they reliable to?
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