2000 Jeep Wrangler Sport Sport Utility 2-door 4.0l on 2040-cars

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Watch this 650-hp Hennessey Jeep Grand Cherokee go from 0-60 in 3.9 seconds

Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and gets from 0-60 miles per hour in 4.8 seconds. When it leaves Hennessey's garage floor after the upgrade it has 650 horsepower - 530 hp at the wheels, according to Hennessey - and gets to 60 mph in 3.9 seconds on its way to running the quarter-mile in 12.6 seconds.
There's more than just a Roots-type supercharger bolt-on, with ported cylinder heads and high-flow headers among the many changes made to the engine. You can watch this pre-2014 facelift silver model prove its spec sheet on the drag strip in the video below.

Chrysler set to make $266M-investment into 8-speed transmission production

Chrysler will shortly make a significant $266-million investment into its Kokomo, IN transmission factory in a bid to expand production of its eight-speed automatic transmissions. The gearboxes, which are built under license from Germany's ZF Friedrichshafen, have been well received by customers and critics, and according to an SEC filing obtained by Automotive News, the transmissions will eventually find their way to all of Chrysler's rear-drive offerings (Viper and heavy-duty Ram models, aside). According to AN, a Chrysler spokesman says the investment has not been confirmed, but once it is, it'll mark the company's latest in a growing line of investments at the facility. Chrysler has poured $1.5 billion into Kokomo since 2009.

Chrysler investigating complaints of vehicles with faulty power modules

Chrysler owners are hopping mad after experiencing a series of electrical gremlins in some of the company's vehicles. Issues range from mere annoyances - windows rolling down and radios turning off of their own accord - to serious safety issues, with headlights that randomly shut off at night and cars that stall and refuse to start.
The issues are being blamed on the total integrated power module, which can cost up to $1,000 for customers to replace. This, of course, has led to a hefty batch of complaints to the National Highway Traffic Safety Administration, with 240 owners expressing their displeasure so far. Another site, CarComplaints.com, has registered over 300 complaints relating to the 2010 to 2011 Jeep Grand Cherokee and Dodge Durango, alone, according to The New York Times.
Chrysler has acknowledged that it's investigating the complaints and is analyzing the faulty TIPMs, but that isn't quite enough for customers of the affected vehicles. The newspaper has snagged a few of the more harrowing tales with the electrically challenged Chrysler products, culled from the NHTSA complaints.