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  1. #1
    My Boats:
    PowerQuest 260 Legend
    Join Date
    Apr 2001

    Question Attn Dyno Guru's...

    Hello "Dyno Gods"

    I was wondering what size "auto headers" you would use for the H2O motors, to equate to Eickerts's cast alum headers ?

    My question is what tube diameter is equal or close to a set of
    KE's ? I called KE and they were not sure ,it seems the "brains" are at the Miami show.

    I need to get as close to "real world" as I can.

    Thanks guys

  2. #2
    Registered nitro's Avatar
    My Boats:
    2003 skater 368
    Join Date
    Oct 2002
    phoenix, arizona
    most dyno headers are 2"- 2 1/4" tube diameter. big cu. means bigger tubes, most marine headers are 2 1/4 on the inner tube. The jetting and tuning items done on the dyno will be slightly affected by header size. If you are doing a race application, use your headers for max performance tunning. If you build a poker run, pleasure motor, tune it to max with good dyno headers, then back up to the rich side tune up. Your motors will live a lot longer.

  3. #3
    Gold Member Gold Member Turbojack's Avatar
    My Boats:
    2003 Eliminator 30' Daytona
    Join Date
    Sep 2001
    Houston, TX, USA
    Nitro- How is your new boat doing? Did I miss your post of your first water test?

  4. #4
    Registered JIMKID Motorsports's Avatar
    My Boats:
    2009 30 LS7 SKATER 711
    Join Date
    Mar 2001
    Livonia Mi Usa

    Banana header size

    most dynoes use 2 2 1.4 i would go with the 2 1.4 shuold be close to keiths

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