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Unread 2017-08-31, 03:56 PM   #76
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Run what brung, brother.
What if he brung a generator?
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Unread 2017-08-31, 04:08 PM   #77
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What if he brung a generator?
Well, the more I think about this "Tomahawk" name, the more concerned I am. Sounds pretty F racist.
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Unread 2017-08-31, 04:12 PM   #78
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Is there any room left in the publics heart to put it in a Ram truck? Doesn't make alot of sense, but F-it.
I've been waiting. Hell even the 6.4 from the Srt is what I was after. Settled on my Ram RT. Once the warranty is up I figure I'll throw a kenne bell on it.
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Unread 2017-08-31, 04:43 PM   #79
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I've been waiting. Hell even the 6.4 from the Srt is what I was after. Settled on my Ram RT. Once the warranty is up I figure I'll throw a kenne bell on it.
Yep,when my srt4n was out of warranty I started throwing parts/tune at it.
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Unread 2017-08-31, 04:48 PM   #80
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Well, the more I think about this "Tomahawk" name, the more concerned I am. Sounds pretty F racist.
DON'T DODGE THE QUESTION BRO.

WHAT IF HE BRINGS A GENERATOR??
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Unread 2017-08-31, 08:10 PM   #81
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DON'T DODGE THE QUESTION BRO.

WHAT IF HE BRINGS A GENERATOR??
If ya can't dodge it, Ram it.
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Unread 2018-04-12, 10:00 PM   #82
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Hennessey Didn’t Waste Any Time Making A 850-HP Jeep Grand Cherokee Trackhawk







The Jeep Grand Cherokee Trackhawk is the definition of a high-performance SUV. The Jeep’s so fast that it makes other performance-oriented machines look slow. As usual, Hennessey Performance isn’t content with the SUV’s output and is now offering a new performance package for any owners that want some extra oomph.

We all know the specs behind the Trackhawk by now – the SUV has the fabled 6.2-liter supercharged Hellcat V8 engine that produces 707 horsepower and 645 pound-feet of torque. That, one would assume, should be more than enough for owners. But Hennessey’s HPE850 Upgrade, as its name implies adds an additional 145 hp to the machine.
If you’re doing the math, you’ll see that the numbers don’t add up. But that’s because Hennessey claims the upgrade brings total output to 852 hp and 845 lb-ft of torque. To get that kind of power from the V8 engine, the tuning company upgraded the SUV’s software, attached a high-flow air induction system, and increased boost to 14 psi via a lower pulley upgrade. Other than that, it looks they didn’t touch much else.
Hennessey, as usual, has put out a dyno run of the SUV to back up its claims. Interestingly, the tuning company decided to test the Jeep in its rear-wheel-drive setting. We’re not sure if doing the run with all-wheel drive enabled would’ve resulted in different numbers, but we have seen a difference before.
On the dyno, the herculean SUV put down 722 hp and 655 lb-ft of torque to the wheels. The tuner factors in a drivetrain loss of roughly 20 percent, which comes out to a total of 866 hp and 786 lb-ft of torque at the crank. If you go off of the dyno’s figures that’s an increase of 159 hp and 140 lb-ft of torque over a stock example.
Those are some impressive numbers, but we’re sure Hennessey will be back in the near future with an HPE1000 Upgrade for the Trackhawk. Until then, enjoy the video of the HPE850 flexing its muscles below.


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Video URL: http://www.youtube.com/watch?v=n2ObRr-cEyQ
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Unread 2018-05-21, 02:53 PM   #83
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WATCH 1,012-HP JEEP TRACKHAWK COVER A QUARTER MILE VERY QUICKLY


Something went wrong. Please make sure you added the video correctly.

Video URL: http://www.youtube.com/watch?v=18M5dr5Eva8

The supercharged Grand Cherokee accelerates like a supercar.

In stock form, the Jeep Grand Cherokee Trackhawk is a performance behemoth with 707 horsepower (527 kilowatts) and the ability to reach 60 miles per hour (96 kilometers per hour) in 3.5 seconds. While these numbers are undoubtedly impressive, they aren't good enough for the folks at Hennessey. The company offers a tuning package that takes the output to an even more amazing 1,012 hp (755 kW) and 969 pound-feet (1,314 Newton-meters) of torque. Now, a video shows off what happens when someone add 305 hp (227 kW) to the Hellcat-powered Grand Cherokee.

The upgraded Trackhawk hits 60 mph in 2.7 seconds – 0.8-second quicker than stock – and completes the quarter mile in 10.7 seconds at 132 mph (212 kph). For comparison, Hennessey's 1,012-hp tune for the Challenger SRT Hellcat crosses the same distance in 9.9 seconds at 141 mph (227 kph). The Jeep would still be a better choice for folks in need of more cargo capacity and utility than Dodge's two-door coupe can ever offer.

To improve the Trackhawk's performance so much, Hennessey has to install quite of bit of extra equipment.

Instead of the stock 2.38-liter supercharger running at 11.6 psi, the SUV now has a 4.5-liter unit that pushes out 14 psi. A better flowing intake and stainless steel long tube headers let the 6.2-liter supercharged V8 breath better. Upgraded injectors and a new fuel pump make sure the engine gets enough gasoline to keep up with the other improvements. Hennessey revises the engine management, and then tunes everything on a dyno to get the most out of the setup.

Hennessey doesn't offer the top speed for its tuned Trackhawk, but it would be fascinating to find out whether the upgrades make the SUV faster than the Lamborghini Urus – the Jeep's closest performance competitor. The Lambo hits a top speed of 186 mph (300 kph), which is only a little more than the supercharged Grand Cherokee's 180 mph (290 kph) max velocity in stock trim. An extra 305 hp could be enough for the extra 6 mph (10 kph), though.
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