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Thread: how may discs?

  1. #1
    skyhook Guest

    Default how may discs?

    I have a supertrapp supermeg on this build:
    '08 screamin' eagle dyna
    r&r cycles stage 4 cnc ported heads, valves are 1.94 intake and 1.63 exhaust
    se257 cams
    10.8 compression
    se air cleaner
    power commander
    closed end cap with 20-3/8" holes drilled

    Is 20 discs enough?

  2. #2
    bschultz Guest


    No clue, we have no idea what 20-3/8" holes in a closed end cap due to the flow characteristics of the exhaust. How does it run? What does your tuner think?

  3. #3
    skyhook Guest


    it runs good, dyno shows power falling off at 4500, should pull further...I'll attach dyno sheet...guess I could buy another end cap...can you recommend a number of discs with open or closed cap?

    Attached Images Attached Images

  4. #4
    bschultz Guest


    Adding discs should give you more top end.

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