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900whp+ Hellcat Challenger

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94 replies to this topic

#1
Dan_585

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Engine:

 4.5L Whipple Supercharger
 Fore Innovations Dual Pump Fuel System 
 FIC 1650cc injectors
 Magnaflow Catback
 180 Degree Thermostat
 ER12S Spark Plugs 
 Demon Crank Bolt+Double Pinned
 Dusterhoof tuning with HP Tuner Software
 
Brakes/Wheels/Tires/Suspension/Drivetrain:
 DSS 3.8" Carbon Driveshaft
 DSS 1400HP Axles
 DIRS Diff Brace
 Z26 Powerstop Pads
 Bwoody Rear End Links
 17x10 18x5 Beadlock Drag Pack
 MT ET Street R 305/45/17 28x6x18 Sportsman Runners 
 
Exterior & Interior:
 SRT Performance Spoiler
 Speedtactics Fire Extinguisher kit
 
Dyno #'s:
5" 93 octane 760whp/754wtq + 775whp/691wtq @ 16PSI
5" E85 Flex ???/??? @ 16psi
4.5" E85 'Kill mode' ????/???? @21psi
 
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Edited by Dan_585, 03 September 2020 - 01:00 AM.

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#2
purchase888

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Beautiful car. My friend had one. I just love the sound of the supercharger whine. What are your thoughts compared to the GTR?

Edited by purchase888, 03 March 2020 - 10:48 AM.

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#3
bigc

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congrats!


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2017 Nissan GT-R, FBO+E85, Pearl White on Rakuda

2013 Infiniti G37 IPL Convertible, Moonlight White Pearl, "Lucy Jr." - sold

2005 Infiniti G35TT Coupe, Ivory Pearl, "Lucy" - sold


#4
colo_evo

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Shooting for 10's stock power then will go from there.


Is it stock or 900+ power like the title says?

Congrats. Although not sure why somebody would go from a gtr to a challenger.

#5
Guido

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I think that is the goal since a stock hellcat is in the 700 to 720 hp range from what I have read.

 

900 HP on a rear wheel drive car will be an exciting and crazy ride.


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#6
Tim

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Good looking car


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#7
droptopp

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*
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Congrats, a ton of fun. Love my hellcat. Such an easy platform and powertrain is solid. Absolutely awesome at rolling burnouts. Still think the infotainment is the best on any car I’ve owned and I’ve had a ton of brands

Look at the Livernois 1025 package. Simple bolt on and you’ll put down 1000+ rwhp and no issue with trans or motor. Above 1100 you’ll start slipping and there are not a lot of great solutions out there imho. Software gets finicky and doesn’t like to shift.

As long as you can get traction, need to run an 18” to really hook on the street, will run 9’s and trap in the 140’s.

I run widened 20” rear PK’s with a MT ET SS and they hook great on a roll. From a dig, I mentioned they are awesome at rolling burnouts.

Locally Mike @ New Era has done a ton of them and he built my vette and he and his team is knowledgeable and reasonable.

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I just picked the wife up an NSX and wow what an awesome car.

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TSM Billet Crank 4.1 w/ CP billet pistons, TSM Elite Prime turbos, TSM Wet Sump Oling upgrade, flex fuel, ETS mid and down pipe, STM titanium axle back, STM race FMIC, ID2000’s, Shep One K with drop gears and all the goodies., DS Axles, Volk Saga 18” 10/12” (MT ET Streets), Advan GT Premium 20” R888. 1450+ hp / 1210+ tq

Old setups : Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.

#8
7racer

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wow! so many new cars!

 

the NSX is a love hate for me....its a great driving car.  Wish it was a couple years earlier and different exterior


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In7anity!!


#9
Guido

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Hey Droptopp, will you adopt me??? :)


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#10
droptopp

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Sure brother !!!! Life is too short ;)
TSM Billet Crank 4.1 w/ CP billet pistons, TSM Elite Prime turbos, TSM Wet Sump Oling upgrade, flex fuel, ETS mid and down pipe, STM titanium axle back, STM race FMIC, ID2000’s, Shep One K with drop gears and all the goodies., DS Axles, Volk Saga 18” 10/12” (MT ET Streets), Advan GT Premium 20” R888. 1450+ hp / 1210+ tq

Old setups : Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.

#11
Dan_585

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Thank you everyone!  :)

 

The Hellcat is a much different beast than the GTR. The power being sent to 2 wheels feels violent compared to my old FBO E85 GTR and is a TON of fun.

I know spinning isn't winning but i'm planning to set the car up right for digs in mexico and on the strip.

 

Supercharger vs. turbo..the whine is cool but still prefer the powerband/noise of turbos. Both are amazing vehicles that deserve their reputations. Not to mention gapping cars that cost way more than the average Joe can afford.. Love em' equally so far, if i could have both at the moment GTR would be for circuit racing and the Hellcat for the Highway/Drag strip.

 

IMG_20200308_171849_577.jpg


Edited by Dan_585, 24 July 2020 - 02:37 AM.

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#12
Guido

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Sure brother !!!! Life is too short ;)

 

Ok, Dad, I need a car, please.  Anyone you have will do. :)


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#13
Guido

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Dan,

 

How much power can the stock engine block and parts handle?



#14
Dan_585

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Dan,

 

How much power can the stock engine block and parts handle?

From the research on forums i've done and tuners recommendations - Going past 1000-1100whp/tq is wear things can go south. Belts slip, blowers can lock up, trans gets weird, or worse the engine throws a rod through the block. At that point it's a $10-$15k rebuild for a 426 stroker which is what most go with. 

 

I'm going to be sitting around 900-1000whp/tq and don't plan on running that size pulley too often. Just if i need to set the car on kill. Hopefully the OEM differential survives the torture or i'll need a 9" conversion. 


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#15
Guido

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That's a pretty good amount of power for a stock motor.



#16
droptopp

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Dan look up WhipCat he’s down Tim’s way and done quite a few half miles. He can tell you exactly where to stop lol. Motors, trans, chiller packs, etc. done it all.

There is another local one that tips 900ish and runs 9.9 and then the next run an 11 because of the traction. At the track of course on the street, carry some VHT in the trunk like all the rwd hipo do hahah.
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TSM Billet Crank 4.1 w/ CP billet pistons, TSM Elite Prime turbos, TSM Wet Sump Oling upgrade, flex fuel, ETS mid and down pipe, STM titanium axle back, STM race FMIC, ID2000’s, Shep One K with drop gears and all the goodies., DS Axles, Volk Saga 18” 10/12” (MT ET Streets), Advan GT Premium 20” R888. 1450+ hp / 1210+ tq

Old setups : Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.

#17
Dan_585

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Got a few more parts installed during this Quarantine. Everything else is ready to rock. For the 9 second 1000whp package all in $11k said and done. Will have one 93 map and one E85 map (two different pullies) Not bad at all considering i went with a full fuel system/bigger injectors which most do not and stick with a Boost-a-pump.

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Really thinking of changing things up from what most owners do and sell the OEM 2.4l S/C to replace with a 4.2L or 4.7L Kenne Bell Mammoth. If i end up going this route will probably do a 426 or 428 stroker in a few years. Plan is to keep the 32k mile motor unopened for now.  

 

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Edited by Dan_585, 05 April 2020 - 03:47 PM.

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#18
Guido

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So you have to change the pulllies to get the different HP numbers?  How long does that take to change?



#19
droptopp

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Hardest part of the entire process is to pin the crank, which isn’t bad but most do it yourself’ers will let a shop do and rightfully so.

Everyone I know that wants over 1000 goes with the KB. They are great option on the ZL1 as well.

Good luck Dan, they are a blast on the street.

Edited by droptopp, 05 April 2020 - 07:38 PM.

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TSM Billet Crank 4.1 w/ CP billet pistons, TSM Elite Prime turbos, TSM Wet Sump Oling upgrade, flex fuel, ETS mid and down pipe, STM titanium axle back, STM race FMIC, ID2000’s, Shep One K with drop gears and all the goodies., DS Axles, Volk Saga 18” 10/12” (MT ET Streets), Advan GT Premium 20” R888. 1450+ hp / 1210+ tq

Old setups : Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.

#20
Dan_585

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Changing pullies on the Kenne Bell can be done in 3-5 minutes from what they say on their site. For an OEM S/C the thermostat housing is slightly in the way which could make it tricky but have been told it can be done in about 15 minutes at the track. May have to change belts too depending what pulley you swap which could add time.

 

Thanks Dave. Will be a handful on the street but can't wait. Going to speak with the tuner later this week and see what size Kenne Bell is recommended. I believe the OEM Hellcat motor can only handle 20-22psi safely. The 4.9L makes 20psi on the largest pulley offered a 5"  :rambo:


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