Red key/Black key

Discussion in 'SRT Hellcat General Discussions' started by Rob K, Jan 20, 2015.

  1. Rob K

    Rob K Gold Member

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    Does anyone know HOW the black key lowers the horsepower? What changes are made with the engine to slow it down??
     
  2. jim schmittinger

    jim schmittinger VIP Hellcat Member

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    drops to 500. Boost and timing I would think have not looked into it. But when I tune cars that's the big HP gain
     
  3. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    Dyno showing the difference between Black Key (Blue Lines) and Red Key (Red Lines).

    [​IMG]
     
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  4. butterscotch71

    butterscotch71 Hellcat Member

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    I've been curious about this too
     
  5. Jim Hetrick

    Jim Hetrick Silver Member

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    WhY ?? who is using the black Key ??
     
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  6. 707HP

    707HP Hellcat Member

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    I have used it during break in. I'm Still below 300 miles....northeast winter keeping me off the road.
     
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  7. Rob K

    Rob K Gold Member

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    I actually thought it would be cool (if I do let someone else drive it) to use the black key but not tell them until after. THEN pull out the red key.
     
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  8. april77

    april77 Naughty SheDevil Mod Staff Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    I used the black fob during break in. Now it sits in my desk drawer.

    April
     
  9. F6F

    F6F BANNED

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    Can anybody feel the difference between the red and black keys?
    I know that 200+ hp difference is a lot, but I would like to hear from somebody with a Hellcat, not a magazine
     
  10. Rob K

    Rob K Gold Member

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    Can you lower to 500 if you only have the red key with you? B
     
  11. CubeMan

    CubeMan Tri-State Overlord

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    yes
     
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