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  • Is the 9 bar mod worth it? From my basic understanding it’s just a spring change.

  • If you’ve got it apart then why not, but it’s not a game changer, that’s getting the PID done, you can lower the temp and get things much for consistent.

  • Is the 9 bar mod worth it? From my basic understanding it’s just a spring change.

    It’s not even that. You just back off the adjuster on top of the spring on the OPV. You need a pressure gauge on your portafilter to do this, even if you buy another spring.

    Stock is 13 bar or something. I’ve got mine set at 10.

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