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engine rpms

Discussion in 'The Garage' started by tecton, May 3, 2004.

  1. tecton

    tecton 1/2 ton status

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    what makes an engine turn faster
    i mean
    i press the gas pedal, and i watch the rpms climb, what is happening that makes it sping faster? more gas?
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    E-town baby!
    More throttle, more air, more air draws in more fuel (carb) or more air tells computer to add more fuel (TBI). More air and more fuel equals more RPM.

    For a diesel when you step on the 'gas' pedal it just adds more fuel. There is no throttle plate so the engine speed increaes which draws in more air. That's why when you accelerate with a diesel you'll see some black smoke for a while.

    Rene
     

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