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Charger SRT Hellcat
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Discussion Starter #62
I'm hopeful to go to the track on the 11th. DA won't be "great", but I'll give it my best shot. Since I ran last I've upgraded to a smaller pulley, blower spacers, revised my tune for a better launch, axles, diff brace, rear suspension (aligned to almost 0 camber), tire/rim combo, and the Carlyle springs.
 

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Discussion Starter #63 (Edited)
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First runs with them last night. Need to go back to hit them harder. Right now I'm saying slight improvement over stock charger springs. For the challenger guys, even more of an upgrade.
 

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On my 2019 Hellcat I will need to get adjustable control arms . The rear suspension alignment is I believe towed out. Although I love the way the rear end squats and the front end lifts.
 

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Anyone care to post a few pics of their HC Challenger with these springs sitting normal in photos versus launch?

The way I understand it is non-HellCat cars sit higher in the front? I’m reviving an old thread. Thanks
 

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So was there ever a verdict on putting OEM demon springs on a Hellcat Challenger? So what happens with the ride height? I’ve read a few threads but nothing consistent across the board. I see some people talking about adjustable control arms. You have to do that too?
 

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So was there ever a verdict on putting OEM demon springs on a Hellcat Challenger? So what happens with the ride height? I’ve read a few threads but nothing consistent across the board. I see some people talking about adjustable control arms. You have to do that too?
I ordered the Carlyle springs but waiting on their arrival since they were on back order until 23 October. I’m really hoping the info I’ve read is true and my Challenger HC won’t sit like a 4x4. I hear the springs work better than stock. I’ve also heard the springs from HHP work well also. However, my car is a street car, not a 1/4mi track-only car.
 

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I like my hight
That’s Carlyle Demon Killer stock height rears? Looks good.

Now please post a pic of the frontend with your Demon Killer springs.

Lastly, what are your front/rear tire and wheel sizes? Thanks.
 

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Today I installed Demon Killer Springs, BMR track bars, and cut the rear snubber down by 1”.

Took me 4 hours total front / back, BMR track bars 15 min each and 15 min each on the snubber.

The front is 1/2-3/4” taller, and the rear is 1/2”. Looks good now and will look awesome with the drag wheel set up.

Will be testing when we get some warmer weather.
 

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Challenger SRT Hellcat
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Today I installed Demon Killer Springs, BMR track bars, and cut the rear snubber down by 1”.

Took me 4 hours total front / back, BMR track bars 15 min each and 15 min each on the snubber.

The front is 1/2-3/4” taller, and the rear is 1/2”. Looks good now and will look awesome with the drag wheel set up.

Will be testing when we get some warmer weather.
Post some pics man.
 

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I have been looking for months and months, for one person to say these springs cut down their 60'. I have yet to ever see someone say oh these springs cut my time down by .xx, the problem is almost no one just adds these springs. They change multiple other things at the same time, or the DA is too different from the last track day, or more honestly there is no advantage compared to their average 60'.

If someone comes forward and while changing only the springs, makes a consistent improvement I would be more interested, but i have yet to see it. I have looked over forums, facebook groups, local groups etc.
 

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Charger SRT Hellcat
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I have been looking for months and months, for one person to say these springs cut down their 60'. I have yet to ever see someone say oh these springs cut my time down by .xx, the problem is almost no one just adds these springs. They change multiple other things at the same time, or the DA is too different from the last track day, or more honestly there is no advantage compared to their average 60'.

If someone comes forward and while changing only the springs, makes a consistent improvement I would be more interested, but i have yet to see it. I have looked over forums, facebook groups, local groups etc.
ive installed the HHP springs and can tell the difference in weight transfer by feel and video. I haven’t changed my technique and my 60’ time are almost identical.
 

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Had these installed today. Took about 2.5 hours. Mind you, the blizzaks are almost 29" tall, so the gap will be a little more with my street tire setup and even more with a drag setup in the rear. These are a "close" spring Speed Test Scrabble Word Finder Solitaire rate to the Dodge Demon springs designed to be an improvement over what the cars come with. The charger has a softer spring rate than the challenger, so my improvements might not be as dramatic. They are supposed to help the 60' and improve weight transfer. Time will tell when the weather gets better and I can get a good whack out of the hole. It seems the actual OEM Demon springs make the car sit significantly higher in the rear. I'm ok with how this version turned out. I'll post more pictures when I get the car on its "normal" tires.

These were $299

Labor was $350

View attachment 503913 View attachment 503915 View attachment 503917 View attachment 503919
I've seen for the ride height. I bought the car lowered, I know it looks good but I cringe every time I scrape my exhaust or front lip.
 
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