Mustang dyno numbers

Discussion in 'SRT Hellcat Performance' started by Hector02, Jul 4, 2015.

  1. Hector02

    Hector02 Gold Member

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    image.jpg Mustang dyno numbers

    Charger Hellcat with 618 miles on.
    Bone stock
    That run was on 5 gear, on 4th it just spins the wheels. On 6th is the 1-1 gear ration but on the dyno more than 150mph for a long run it could break the dyno.

    If my calculations are right it has like 721hp to the crank
     
  2. jsd512

    jsd512 Senior Hellcat Member

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    Damn, no offense, but those numbers are...low. I guess the myth is right, Mustang dynos are ******* stingy, christ. Now, go to a dynojet.
     
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  3. Hector02

    Hector02 Gold Member

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    Yeah I know, but that's the one I always use. I know that on a Dyno jet will be around 644whp.
     
  4. BlackbirdWS6

    BlackbirdWS6 Gold Member

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    Dynos are just a tool. No sense getting hung up on the numbers. Those numbers seem about right on a mustang.
     
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  5. Hector02

    Hector02 Gold Member

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    Yes
    This is more or less the math
    560whp mustang dyno X 1.15= 644whp dyno jet X 1.12= 721hp...
     
  6. Top Cat

    Top Cat Gold Member Hellcat Car Club Gold Supporting Member Fastest Cat/Record Holder HCC Charter Member

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    Hector, your numbers are the lowest I've seen and from the comments you made I think the guy doing the pulls may have had issues, most cars range from 635 to 680 depending on who,what, when, how the pull was done, as far as the Dynojet being more favorable I've seen the Mustang give better numbers on the same car....
    TC
     
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  7. mep_q8

    mep_q8 Rookie

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    You need to run the cat in 6th gear not 4th.. its an 8speed and that will give you the best results.

    Mustang dynos can handle up to 210mph with no problems..

    We managed 650whp and 590wtq on my Mustang Dyno

    Ask the dyno operator what Parasitc Multiplier they are running. If its a 1.0 ask them to move it uo to 2.5 for one run in 5th.
     
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  8. Hector02

    Hector02 Gold Member

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    Ok
    The mustang operator told me that on his dyno more the 150mph consecutive may damage the dyno.
     
  9. BlackbirdWS6

    BlackbirdWS6 Gold Member

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    No sense racing dyno's. Run it at the track to see if it's making the power it is supposed to. What elevation are you at?

    My procharged TA did 686rwhp on a Mustang dyno and 777rwhp on a dynojet. The folks running the dyno can mess with the settings to give you a pretty number but that's all it will be.
     
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  10. Hector02

    Hector02 Gold Member

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    I did race it. Best time was this.
    image.jpg
     
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  11. Hector02

    Hector02 Gold Member

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    Down here in Puerto Rico is very hot even at night. It was around 89f plus humidity at 90%
     
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  12. BlackbirdWS6

    BlackbirdWS6 Gold Member

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    MPH looks good to me and compares well to others who have run at the track bone stock. My comment regarding racing dyno's was to others who focus purely on those numbers.
     
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  13. Hector02

    Hector02 Gold Member

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    Oh yes a understand the comment. I'm very happy with the car. I was hoping for 11.8 since the track was not that well prep but I take an 11.5 with stock tires on a 100% stock car
    Waiting in the goodies to be available
     
  14. TxBoosted

    TxBoosted Gold Member

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    Nice...def with better weather and track conditions you should run low 11s.
     
  15. Supercharged_Fun

    Supercharged_Fun Silver Member

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    And don't forget, dynos need to be calibrated every so often too. After all, it is another form of a measuring device. Maybe this specific one hasn't been calibrated in a while?
    And like Hector said, the car exceeds 150 MPH. This dyno couldn't handle the Hellcat power! LOL :D
     

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