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Thread: Carb Jets when using Nitrous

  1. #1
    Senior Member MASTER BUILDER
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    Aug 2007
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    Iowa - USA
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    218

    Carb Jets when using Nitrous

    I'm going to add a 250 shot of nitrous to a sbc. As of the the jetting appears to be correct. When I install the nitrous, do I need to increase the jet size?

  2. #2
    Senior Member RACING JUNKIE jmarksdragster's Avatar
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    Jul 2007
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    Florida
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    Jet the nitrous system for the fuel you need on when the switch is on, if you jet the carb it will be incorrect when not using it.
    Mark Whitener
    http://racingfuelsystems.myfunforum.org
    __________

    Good work isn't cheap, and cheap work can't be good.

  3. #3
    Senior Member DYNO OPERATOR
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    Aug 2007
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    Lost Creek, WV
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    533
    Quote Originally Posted by jmarksdragster
    Jet the nitrous system for the fuel you need on when the switch is on, if you jet the carb it will be incorrect when not using it.
    Mark is correct. Leave your carb jetting alone. Jet your NOS accordingly.

    TS1955


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