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Thread: Thumper spark plugs

  1. #1
    Member GregsGSXR's Avatar
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    Thumper spark plugs

    Has anyone tried a split fire in a big single 400/450/650? I am wondering if it would improve anything on the DR at higher altitude...
    13 BMW F800GS, 01 Suzuki DRZ 400S
    "It's not about the destination. It's about the ride"
    www.colorado2wheels.com

  2. #2
    Gold Member Bueller's Avatar
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    Re: Thumper spark plugs

    gimmick


  3. #3
    Member GregsGSXR's Avatar
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    Re: Thumper spark plugs

    Besides re-jetting for high altitude any recommendations? Air filters...octaine booster...
    13 BMW F800GS, 01 Suzuki DRZ 400S
    "It's not about the destination. It's about the ride"
    www.colorado2wheels.com

  4. #4
    Douche Yearly Supporter Sortarican's Avatar
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    Re: Thumper spark plugs

    +1 splitfires are mostly gimmicky.

    Up your amperage. Find a coil/HEI unit that goes to 11.
    Be assured that a walk through the ocean of most souls would scarcely get your feet wet.

  5. #5
    Gold Member Bueller's Avatar
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    Re: Thumper spark plugs

    open up the air box (3x3 mod)
    otherwise if you want more power out of a drz it takes $
    Octane booster is not even a consideration, search octane on here and learn the facts about it.
    Go to Thumper Talk in the DRZ forum if you want some in depth answers. Look for Eddie Sisneros (sp) he knows what he is talking about, take other advice with a bit of caution


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