713 WHP SRT For Those Who Canít Wait - Jeep TrackHawk Forum
 
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post #1 of 10 Old 01-03-2017, 01:55 PM Thread Starter
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713 WHP SRT For Those Who Canít Wait



Jeepís Hellcat powered Grand Cherokee is expected to go into production this summer, but one owner couldnít wait for the Trackhawk and decided to get a supercharged Grand Cherokee SRT built for him.


It may not be carrying a Hellcat engine under its hood, but the SRT can crank out 713 whp or an estimated 800 hp. The large bump in power comes from a Whipple supercharger, Corsa catback exhaust, American Racing exhaust headers, Boost cam, and a built motor.

Currently, the supercharger works at 13 PSI and the owner is looking to install an E85 setup to increase that number to 15 PSI. Doing so could bump up the machineís wheel horsepower to 900 when using 93 Octane gas. With racing fuel, the HEMI may be able to hit 1000 hp! Thatís a lot of power and we can even see the rear tires smoke a bit during the SRTís takeoff in the video.

Along with the performance upgrade, this SRT owner has made some exterior changes as well including a Renegade spoiler, painted mud guards, roof wrap, front splitter, chrome delete, Rennen forged wheels, custom quad exhaust tips and more.

Thereís still have a year before the Trackhawk goes into production, maybe some other GC enthusiasts will modify their current vehicle to avoid the wait.

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post #2 of 10 Old 01-04-2017, 12:12 PM
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There is a good amount of GCs that are pushing/have been pushing over 700hp on pump gas. A lot of them do RWD conversions as well for better power delivery.
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post #3 of 10 Old 01-08-2017, 10:47 PM
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I can just imagine the amount of gas it used just sitting in NYC traffic like that. 800 hp is more than what the Hellcat will be able to produce, but I always question a vehicle's reliability when so much power is put into a frame not meant for it.
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post #4 of 10 Old 01-10-2017, 12:30 PM
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Typically getting a vehicle to that point, everything needs to come into considering. You have to spend money on different suspension, reinforcements, the whole driveline needs to get upgraded including driveshaft and axles and all. But reliability at the end of the day is still compromised. You gotta keep track of everything at all times.
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post #5 of 10 Old 01-10-2017, 03:16 PM
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If there's anything they do with the TrackHawk it should be including cylinder deactivation. Current line up of Hellcat V8's don't have it and that's a big mistake... or is it?
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post #6 of 10 Old 01-11-2017, 02:22 PM
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That's a tough one. It would aid greatly to fuel economy which is a big thing as I'm sure they'll be drinking gas. But, it also provides many more things to break and go wrong. Who knows how it would affect performance as well. Time to do some more research on this cylinder deactivation...
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post #7 of 10 Old 02-18-2017, 09:35 PM
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Quote:
Originally Posted by HellKitty View Post
That's a tough one. It would aid greatly to fuel economy which is a big thing as I'm sure they'll be drinking gas. But, it also provides many more things to break and go wrong. Who knows how it would affect performance as well. Time to do some more research on this cylinder deactivation...
That might be a risk they have to take and with how long that technology has been around odds are its been refined enough, not something entirely new. Plus there should be some way to disable it, just as long as disabling it won't impact other necessary things needed. I just wouldn't be too worried. No matter what they need tech like this.
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post #8 of 10 Old 02-21-2017, 02:17 PM
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I think they'll just continue to utilize the dual key thing. Can't see them implementing this tech into the Hellcat engine. This is a performance SUV, no one's batting an eye at fuel efficiency. Black key - detuned and "less" fuel usage, Red key - full out power. Me? Red key at all times. You can't expect to have 700+ horsepower and have a "fuel efficient" vehicle. Buy a regular Jeep with a 5.7 non-supercharged. Less power but doesn't burn as much fuel and is overall cheaper. They really don't "need" tech like this in the Trackhawk.
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post #9 of 10 Old 02-22-2017, 03:20 PM
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They still do have standards to follow though as well as this can't be a pig like the SRT10 Ram was and that had less power than these will. Having good fuel economy doesn't mean that performance is diminished or that it's not important. With technology now, cars are a boat ton faster and have much greater fuel efficiency.
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post #10 of 10 Old 03-13-2017, 03:30 PM
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Look at the Hellcats and you have what to expect in terms of fuel economy. It won't be far off from that and they don't have cylinder deactivation.
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