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Hellcat - (IHI) Supercharger install ?

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Old May 9, 2025 | 08:15 AM
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Default Hellcat - (IHI) Supercharger install ?

Any installs in the works? Other than a couple youtube vids, got any tips, tricks, parts suggestions, costs, benefits or downfalls, or hp results ?

Last edited by aknovaman; May 9, 2025 at 08:28 AM.
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Old May 9, 2025 | 05:58 PM
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My only hang up with trying this is, I don't want to be bothered with dealing with having to run a standalone bypass valve/boost controller.

Why couldn't it be a simple vacuum/boost referenced deal like the LSA lol.

If it weren't for that I'd probably have one to play with already.

If I'm misunderstanding how this works by all means, correct away.
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Old May 9, 2025 | 08:57 PM
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https://images.app.goo.gl/schfVdL4qtj3xAQu9

Can't be that hard to fab something up.
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Old May 9, 2025 | 10:22 PM
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Best I've seen is Nivlac57 on YouTube.
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Old May 10, 2025 | 01:42 PM
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Two things will happen if you put a Plymouth blower on your Chevy.
1. It will slow down.
2. You will be required to act like a Mopar guy.
😁
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Old May 12, 2025 | 09:20 AM
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Originally Posted by RonSSNova
Two things will happen if you put a Plymouth blower on your Chevy.
1. It will slow down.
2. You will be required to act like a Mopar guy.
😁
Ooof, brutal lmfao.
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Old May 12, 2025 | 09:21 AM
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Originally Posted by Mr. Black
My only hang up with trying this is, I don't want to be bothered with dealing with having to run a standalone bypass valve/boost controller.

Why couldn't it be a simple vacuum/boost referenced deal like the LSA lol.

If it weren't for that I'd probably have one to play with already.

If I'm misunderstanding how this works by all means, correct away.
Just seems like ALOT of weight and hassle for something a $450 turbo could do a better job of. I'm a fan of the "whine" though... lol

Why can't you plug that stepper style OEM valve and plumb a mechanical one in in its place? The NIVLAC57 guys just did one. They implemented the OEM valve.


Its like putting a small engine on top of your engine... Look at that monster!

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Old May 19, 2025 | 08:12 PM
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I have to agree to a extent, however since I've started tuning a few blower cars, they are a totally different animal. The instant torque they have is just insane. Now, don't get me wrong, my truck will top end walk by these blower cars I've tuned, but I have a customer car that is 1.37 on no prep nights at my local track. A lot of it is the car, but it puts the torque out so smooth it just makes the car stick.
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Old May 19, 2025 | 08:57 PM
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Firewall clearance may be an issue with some cars. Not so much for trucks except maybe a S10 or TBSS. We shall see.
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Old May 20, 2025 | 12:44 AM
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I love turbo cars...but a properly setup PDS car gets me bricked up every time.

If you can do heat management properly...they are freaking awesome.

It just depends on what you want.

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Old May 20, 2025 | 08:48 AM
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Originally Posted by LilJayV10
I love turbo cars...but a properly setup PDS car gets me bricked up every time.

If you can do heat management properly...they are freaking awesome.

It just depends on what you want.
I can't deny this myself, my buddy had a Hellcat Challenger with the 8-speed auto and it was magical lol.
Stupid long burnouts were cake, and it pulled endlessly to 160mph with ease.
Totally changed my outlook on blower/auto cars.
Turbo cars would start to reel him in on the top end, but he could usually get so far out at the hit that it made for really great street races.
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Old May 20, 2025 | 11:12 AM
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Of all the cars I got to dyno/drive at the shop I used to work at, all were PDS cars.

Top of the list is probably a GT350 with a 3 liter Whipple with full exhausts on E85. Spinning it to 8200rpm is amazing.

I would have put a Whipple on my Firehawk if it was easier to do. That's the reason I decided on twin turbos.
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Old May 20, 2025 | 11:56 AM
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Originally Posted by LilJayV10
I love turbo cars...but a properly setup PDS car gets me bricked up every time.

If you can do heat management properly...they are freaking awesome.

It just depends on what you want.
I agree. But putting a giant *** non symmetrical ugly thing on top of your motor rubs me the wrong way. The "old school" roots look so much better. That thing just looks goofy up there IMO. Need a hood to cover it up. Hurts my OCD brain just looking at it!

If your gonna do it....






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Old Jul 14, 2025 | 07:13 PM
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Originally Posted by LilJayV10

If you can do heat management properly...they are freaking awesome.

.
I've had a 2016 Hellcat for about 5 years, and we tracked it for three of those years, and probably 125+ 1/8 mile runs. We put a 2.85 pulley and blower spacers plates and heat blanket on it, injectors, a bunch of suspension stuff.

Heat management is everything. My car ran the 1/8 at 4500 DA at 6.80 and when heat soaked it ran like 7.25. I added a front mount heat exchanger, big old thing but it only slowed down the heat soaking by a few runs. The red eyes, etc., have the cooler systems that use the AC to cool the A2W intercooler, etc., and those work great. A must have for drag racing, imho. I almost went that route early on with buying a kit I could add to the car, but decided to go the simpler route with the additional heat exchanger.

But, yes, the instant torque is fun and the blower does sound awesome. In addition, the A8 transmission has a first gear ratio of 4.71. Yes, 4.71. With a rear ratio of 2.62. That's like running a TH400 (2.48 first gear) with a 4.98 rear gear! It's crazy. My track has minimal prep and so it was always a big struggle getting the car to hook up.

The other thing that shocked me with the car is that you launch at 1800 rpms. That's what everyone does. Nobody really changes out the converter, and the cars can dip into the 9s with some basic mods and race fuel or E85 and stock converter.

And they weigh 4500 pounds without driver. Hard to believe they hold together so well, like they do. But there are some basic things you have to upgrade first if you are going to run slicks.

In summary, I would encourage anyone who uses one of these superchargers to really research how to keep it cool. The HC IC pumps are weak/pitiful, so that's something that can be greatly improved if building your own system around a IHI blower being installed on some other setup.



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Old Aug 27, 2025 | 08:52 AM
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Default Tuner for hellcat supercharger swap

I am in the middle of doing the hellcat supercharger swap but I cant find a tuner. Does anyone have leads on someone who can?
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Old Aug 27, 2025 | 08:57 AM
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Originally Posted by Timhellsa
I am in the middle of doing the hellcat supercharger swap but I cant find a tuner. Does anyone have leads on someone who can?
Contact Pat G.
He does remote LS stuff all the time and is great to work with, he's tuned all my pump gas turbo cars and I beat on all of them lol.
patrick.guerragroup@gmail.com
Patrick Guerra
The Guerra Group, Inc. |Pat G Tuning
Office: 114 Spokane Avenue | Victoria, TX 77904
Shop: 5002 Lingo Lane | Victoria, TX 77904
361.576.5917 o |361.576.5928 f |713.306.9990 c
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Old Sep 3, 2025 | 11:51 PM
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Originally Posted by Timhellsa
I am in the middle of doing the hellcat supercharger swap but I cant find a tuner. Does anyone have leads on someone who can?
If you're using a Holley @Project GatTagO can probably help you out
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Old Sep 4, 2025 | 06:49 AM
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Originally Posted by Mr. Black
My only hang up with trying this is, I don't want to be bothered with dealing with having to run a standalone bypass valve/boost controller.

Why couldn't it be a simple vacuum/boost referenced deal like the LSA lol.

If it weren't for that I'd probably have one to play with already.

If I'm misunderstanding how this works by all means, correct away.
I'm using a djtuning bypass harness plug and play
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Old Sep 19, 2025 | 07:55 PM
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