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Thread: 30hp 3 cylinders yamaha racing head

  1. 06-15-2009 #1
    tsrt
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    Default 30hp 3 cylinders yamaha racing head

    Fast Fred, I Finished the racing head 3D cnc with squish band 0.016 and 0.036.Will test next week
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  2. 06-29-2009 #2
    Jackson
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    Default Racing heads

    Did it work?/
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  3. 06-29-2009 #3
    Fast Fred
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    looks nice

    Part one of "Secrets of the OMC Mod 50" : http://www.boatracingfacts.com/forums/showthread.php?t=2052
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  4. 06-29-2009 #4
    Jackson
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    looks real nice
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  5. 06-30-2009 #5
    tsrt
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    Haven't test yet still looking for colder racing plug ngk B10HGV or similiar and need help.
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  6. 06-30-2009 #6
    Jackson
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    ngk idridum thats not how you spell it but its close I think
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  7. 06-30-2009 #7
    tsrt
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    I need gold palladium
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  8. 07-10-2009 #8
    xr1million
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    Looks awesome!

    Why HGV plug?

    Looks like some european site has them for sale but thats it.

    I would be interested in the next head off the machine! If it will fit an '87
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  9. 07-10-2009 #9
    tsrt
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    Hgv Is The Best Suit, It Will Fit To '87
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  10. 07-10-2009 #10
    Tim Chance
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    You can get NGK B10HGV plugs at sparkplugs.com
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