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Thread: ThunderMax Auto Tuner

  1. #1
    jethelopilot Guest

    Cool ThunderMax Auto Tuner

    Dear ST,

    2010 HD FLHTCU 96 with 510 S&S Cams, K&N Hi-Flo, V&H X-Pipe, and of course the ST slips-ons + just installed ThunderMax.

    Struggling a bit with the ThunderMax, as it a closed-loop auto tuner. Getting much higher AFR on the rear cylinder than front.

    What would you suggest for number of plates, L/R side?

    Thank you very much!

  2. #2
    bschultz Guest

    Default

    Sounds like your fuel management, not a pipe issue.

  3. #3
    jethelopilot Guest

    Default

    thanks for the reply.

    yes, I would say that too. however, what disc configuration would you recommend?

    thanks!

  4. #4
    bschultz Guest

    Default

    Which pipes?

  5. #5
    jethelopilot Guest

    Default

    oops sorry.

    the HD Screaming Eagle version of SuperTrapps, i believe the Fat Sotz?

    thank you!

  6. #6
    bschultz Guest

    Default

    The HD FatShotZ have 10 discs with an "open" end cap, out of the box. Reducing the numer of discs by 5-6 should still provide more than enough flow for your build.

  7. #7
    jethelopilot Guest

    Default

    Thank you for your patience!

    Got the info on the open ended setup. If I ran the closed caps, what would be the suggested number of disc's (and I know that it is not generally not the same number left and right side).

    BTW, many thanks to SuperTrapp for providing this forumóbest customer ability to quickly get answers to questions!

  8. #8
    bschultz Guest

    Default

    The headpipes on the '09 and later feed into a common collector and split back off givving the left & right a much more balanced flow than the earlier model headpipes, so the difference in the disc amount per side is not as critical.
    14 discs (+ or - 2) and a closed end cap should work well on your machine.

  9. #9
    jethelopilot Guest

    Default

    Thanks so much! Appreciate the information. I will post on how it went!

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