Hellcat dyno sheets

Discussion in 'SRT Hellcat General Discussions' started by FA5T CAT, Apr 10, 2015.

  1. FA5T CAT

    FA5T CAT Silver Member

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    attached are the dyno sheets before and after the prototype intake from AFE. Notice that it dynos out at 757HP prior to intake... Therefore, it's factory underrated by 50HP

    image.jpg image.jpg image.jpg image.jpg image.jpg image.jpg
     
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  2. Carnage

    Carnage SRT Hellcat Supercharged Moderator Staff Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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  3. DGatzby

    DGatzby Gold Member Hellcat Car Club HCC Charter Member Midwest Regional Pres.

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    Good looking install. Some of us figure you pick up a few ponies eliminating that flex connection. I see they hard piped the air right into the TB.
     
  4. VanishingPoint

    VanishingPoint Silver Member

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    I am confused-did you have this done to your car? The sheets are from mid-march?
    I am still doubtful of the claims, however, if the car made some solid power with the paper element (15-20), and they developed a "stealth" airbox (looked factory) I would probably buy it.

    I am not getting a tune though.
     
  5. StellasHC

    StellasHC Platinum Member

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    Also noticed the car is running a bit lean also...
     
  6. magnummrk

    magnummrk SRT Hellcat Supporter Gold Supporting Member

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    Hard to believe
     
  7. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    It's good to see the dyno's run within 1 hour of each other.

    So, looking at it:

    10-16 rwhp NET gain 4500-6200 rpm
    10-18 rwtq NET gain 4500-6200 rpm

    Negligible gains below 4500rpm for both rwhp and rwtq.

    Peak rwhp gain of 12.79 rwhp; 665.78 to 678.57 rwhp @ 6200rpm
    Peak rwtq gain of 10.59 rwtq; 612.44 to 623.03 rwtq @ 4800rpm


    In all,
    - maybe 0.1 sec gain in the 1/4mi at wide-open-throttle given the weight of the Hellcat.
    - subjective to the owner of how it will look under the hood at car shows and a talking piece of hardware
    - probably some improved throttle response when driving, however, for the Hellcat, I don't see throttle response being an issue
    - maybe some sound improvement (supercharger filter suction noise amplified)

    Depending on the price (more than likely $450+ based on previous AFE intake costs), I think the better bang-for-buck will be a $60 drop-in filter (gain maybe 2-5 rwhp / 2-5 rwtq NET) and call it a day.
     
    Last edited: Apr 11, 2015
  8. FA5T CAT

    FA5T CAT Silver Member

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    image.jpg
    Yes, I did get this done to my car. The car in the video is mine... I'm confused why you're confused. What confuses you? Yes, the Dyno sheet is from last month. What's your point with that question? The box with the aftermarket (K&N type) air intake system from aFe Power that is shown in the video is a prototype. The first prototype they installed produced 18HP to the wheels. The second version they installed produced 37HP to the wheels. The air box may have a different design when it hits market. I know that they are going to keep that filter window, and they are talking about the possibilities of making the air box out of carbon fiber. The air box that is installed in my car is made out of plastic that was manufactured using a 3D printer. The biggest improvement was when they changed the fitting to the air box which created an additional 20HP. See above picture for fitting prototypes.
     
  9. FA5T CAT

    FA5T CAT Silver Member

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    what part is hard to believe? Do you see the Dyno Sheets?
     
  10. FA5T CAT

    FA5T CAT Silver Member

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  11. FA5T CAT

    FA5T CAT Silver Member

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    Hard to believe, but I did notice an increase in response on the track. The car is now doing 0-60 in 3.5... I have 275/40/20 front nitto envo and 315/35/20 rears nitto nt05r
     
  12. Dr. SS

    Dr. SS Silver Member

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    315 on stick wheels, pics plZ?
     
  13. FA5T CAT

    FA5T CAT Silver Member

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    image.jpg image.jpg
     
  14. squidtracy

    squidtracy Silver Member

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    FastCat that is a great pic of a screw in your tire:(
     
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  15. squidtracy

    squidtracy Silver Member

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    Other that the screw in the tire the whees and Nittos are Badass
     
    Last edited: Apr 11, 2015
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