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Thread: BLOWERS

  1. #1
    Junior Member SHOW GUEST
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    BLOWERS

    COULD SOMEONE TELL ME THE DIFFRENCE BETWEEN A 14/71 KOBELCO WITH K11 ROTORS AND THE 14/71 PSI BLOWER..WITCH ONE WOULD BE BETTER??THANKS GUYS..

  2. #2
    Senior Member DYNO OPERATOR
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    Re: BLOWERS

    Quote Originally Posted by superdave557
    COULD SOMEONE TELL ME THE DIFFRENCE BETWEEN A 14/71 KOBELCO WITH K11 ROTORS AND THE 14/71 PSI BLOWER..WITCH ONE WOULD BE BETTER??THANKS GUYS..
    superdave557 if your an outlaw 14/71 PSI twin screw. Thats all I will be able to tell you. Because thats what I was told by a ProMod hand. They work more efficient then a rotor type.
    Wesley
    60' 1.30
    5.58 @ 127.89

  3. #3
    Senior Member RACING JUNKIE
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    The big difference is the PSI is a screw type blower, which comes on slower but produces more PSI, where as the KOBELCO K11 is a high helix blower i believe. Which also produces lot's of boost but comes on faster. Screw type blowers are not allowed in Nitro cars, where high helix blowers are.

    Zip.

  4. #4
    Senior Member DYNO OPERATOR
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    Thanks Zip I was trying to help superdave out and at the same time trying not to talk out of my backside if you know what I mean. Thats why I said PSI is for OUTLAWS. Well that makes me feel better.
    Wesley
    60' 1.30
    5.58 @ 127.89

  5. #5
    Senior Member EXPERT BUILDER
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    Try these guys,I'm sure they'll answer all your questions:
    rbssuperchargers.com
    If a 5 lb hammer can't fix it,it must be electrical
    Keep the shiney side up! 8)
    http://www.racingjunk.com/profile/85221

  6. #6
    Senior Member RACING JUNKIE
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    Re: BLOWERS

    Quote Originally Posted by woodsman
    Quote Originally Posted by superdave557
    COULD SOMEONE TELL ME THE DIFFRENCE BETWEEN A 14/71 KOBELCO WITH K11 ROTORS AND THE 14/71 PSI BLOWER..WITCH ONE WOULD BE BETTER??THANKS GUYS..
    superdave557 if your an outlaw 14/71 PSI twin screw. Thats all I will be able to tell you. Because thats what I was told by a ProMod hand. They work more efficient then a rotor type.
    It appears that PSI now has a high helix (120*) so maybe i was talking out of my butt also. I know that the original PSI blower was first brought out in PHX, in the late 80's and were outlawed for a couple yrs. due to blower case explosions. i was living in pHX. when the first one came out and i knew the shop who did the machine work.

    Zip.

  7. #7
    Junior Member SHOW GUEST
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    THANKS GUYS, VERY HELPFULL..I HAVE A GOOD PIC NOW ON THE SUBJECT AND CAN DO SOME MATH FROM HERE..AGAIN VERY HELPFULL AND THANKS TO ALL.


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