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DYNO PULL TOMORROW

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#1
2021 challenger hellcat redeye going to dyno.Completely stock.What fuses do i need to pull if any so everything runs smooth?I heard ABS but im not sure.Thanks IMG_0766.jpg
 


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BULL

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#2
2021 challenger hellcat redeye going to dyno.Completely stock.What fuses do i need to pull if any so everything runs smooth?I heard ABS but im not sure.Thanks

Just curious, do you have plans for Mods or are you just doing this to validate the motor?

How many miles on the engine?
 


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Thread Starter #3
The car came with a 15 year 150000 mile power train warranty from fidelity.Probably going to leave it stock for the first year.I just would like to know the numbers.
 


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Thread Starter #4
520 miles so far
 


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Thread Starter #5
Anyone know?
 


BULL

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#6

In my very humble opinion, you might wait for a bit before pulling a dyno run.

I don't think you'll do "harm", but a full break-in might yield better results?
 


Matt someone with an SRT

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#7
I’m going to guess 2 numbers... I bet you it makes 712 RWHP and about 670RWTQ. Can’t wait to see! That’s if your on 93 Pump. Those numbers may be 10+hp/tq more I’ve seen more recent cars at about 720hp/680tq to the wheels.. Chime back in when you get those #s
 


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EricG

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#8
https://www.hellcatforum.org/threads/local-dyno-day-coming-up-any-tips.7445/

I didn't pull any fuses, we had the transmission in M and used to paddles to shift it up to 5th gear, then ran it to 6000 a couple times and then 6400 on the third pull. They did not want to do a 6th gear pull...they dyno a lot of cars and said it would probably make about the same number anyway. This was on 91 octane Shell gas, my car spun the drag radials on the dyno wheel on the first pull so they sprayed it with traction compound :) Car had about 10k miles on it.
 


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Thread Starter #9
https://www.hellcatforum.org/threads/local-dyno-day-coming-up-any-tips.7445/

I didn't pull any fuses, we had the transmission in M and used to paddles to shift it up to 5th gear, then ran it to 6000 a couple times and then 6400 on the third pull. They did not want to do a 6th gear pull...they dyno a lot of cars and said it would probably make about the same number anyway. This was on 91 octane Shell gas, my car spun the drag radials on the dyno wheel on the first pull so they sprayed it with traction compound :) Car had about 10k miles on it.
What year is your car is it a Redeye
 


EricG

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vortecd

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#12
Every dyno is different so if your numbers are high or low it may mean nothing. It is fun to have a number but don't put to much into it. Also if you are going to mod, keep going to the same dyno to see what it did pick up.
Myself, I think mph at a drag strip is more of a tell all on hp but I have been seeing one lane showing higher mph then the other lately
 


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Thread Starter #13
80 outside car was hot first pull 220 after we let it cool down and did much better im not disappointed
 


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SilverBillet

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80 outside car was hot first pull 220 after we let it cool down and did much better im not disappointed
(y)Thanks for posting!
 


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Thread Starter #15
all were 6th gear pulls
 


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#16
all were 6th gear pulls
Nice pulls for sure. Most shops don’t do 6th gear because of the wheel speed in that gear at redline is about 200mph, if I recall correctly.
 


coolblue

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#17
80 outside car was hot first pull 220 after we let it cool down and did much better im not disappointed
I think those numbers are much closer to the 'norm' for an 80 degree day at full engine temp. They must'a put a Hellaphant in Eric's car and forgot to tell him. LOL. (I hope my '19 dyno's like that).
@800HP - @17% frictional loss puts you at @ 660WHP on average I would think.
Thanks for posting!
 


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#18
I'd be curious what SAE correction says. That accounts for the weather...supposedly but as mentioned it's just a number. See what it does at the track if you can. My stock Hellcat showed 670rwhp 650rwtq if memory serves. It ran 10.50s at about 132mph on a good tire.
 


SIXGUN

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#19
2020MOPARtyPowerAdderWinner.jpg FWIW, my 2019 Redeye made 688 RWHP and 655TQ at MOPARty i Bowling Green KY after a few hours of autocrossing and heat soaking, so these dynos seem to agree what these two Redeyes make. I don't know the DA, but the temp was around 80.
Nice choice! These cars are amazing!
 


Indigo Joe

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#20
Great pulls. Just for fun I pulled up a flywheel HP calculator and to my surprise it may actually be in the ballpark. What are the chances of this (ET method) reading on a stock 2019 ?. Ha. And when you figure a 15% driveline loss it puts it back to around 680 something at the wheels which looks to be about par. I figured vehicle weight with driver. A little weight was removed, front stabilizer, rear seat, lighter wheels. Not sure what it actually weighs.
 


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