Stock M6 Hellcat 686whp / 624tq

Discussion in 'SRT Hellcat Performance' started by mowe, May 9, 2015.

  1. mowe

    mowe Gold Member

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    Finally dyno'd the Cat today. I was very impressed and here are the details :

    M6 HC Challenger
    1030 miles
    82 degrees / not very humid
    Dyno jet - SAE corrected - not STD
    Stock Autos have made 640-660 whp on the same Dyno.
    13/14 GT 500 made 558whp

    First Dyno was 680whp.. Second was 683whp and then the last was 686whp.

    I have attached the graph.... Thoughts ?

    image.jpg
     
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  2. B5 Blue

    B5 Blue Platinum Member

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    Dang good
     
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  3. Blackdevil77

    Blackdevil77 Silver Member

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    That is outrageous! The 13/14 GT500 number seems kind of low though. Probably one of the lowest I've seen, most are in the 585-605 rwhp range for a dynojet dyno.
     
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  4. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    Great stuff! Get on the AFE group buy for the air intake and then dyno again. Would love to see the end results; independently tested.
     
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  5. mowe

    mowe Gold Member

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    I agree... Thought it was low.
     
  6. Puffy

    Puffy Gold Member

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    Nice! I just did a 529 on a stingy mustang dyno yesterday. A TT Gallardo did 468 and a V8 TT BMW M5 did 447.

    Jumping on a dynojet tonight. Looking forward to seeing the difference between the 2 dynos.
     
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  7. mowe

    mowe Gold Member

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    Dang... That is incredibly stingy.
     
  8. X-Men Fiend

    X-Men Fiend Gold Member

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    Terrific numbers. Do you know, based on the boost guage, what amount of boost? When I drive my M6, it only shows 10lbs of boost at full throttle, and my car doesn't feel as potent as others describe their Hellcats, maybe my car does not make enough power because of low boost?!
     
  9. Puffy

    Puffy Gold Member

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    True. I was told they factored in every influence that would affect the power. Comparison test tonight.
     
    Last edited: May 9, 2015
  10. CasualObserver

    CasualObserver Senior Hellcat Member

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    Why don't the TQ/HP curves cross at 5250?
     
  11. mowe

    mowe Gold Member

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    Not sure :-(. Could have been their calibration ?
     
    Last edited: May 9, 2015
  12. mowe

    mowe Gold Member

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    I am actually not sure... Because it's stock I really have not paid attention much to it. I wanna say it's seen 12-13 but I can't be certain.
     
  13. rayzazoo

    rayzazoo DRIVESRT.COM Gold Supporting Member

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    HP measurement on the left of the chart, TQ on the right and they are at different intervals.
     
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  14. mowe

    mowe Gold Member

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    ahhhh... Good catch.
     
  15. mowe

    mowe Gold Member

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    Here is a quick video of the run.
     
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