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2015 Dodge Challenger SRT Hellcat revving is sonic bacon

This is the Dodge Challenger SRT Hellcat, and we're sure that by now, you know its stats, including over 600 horsepower from its 6.2-liter, supercharged V8. What, pray tell, does that blown engine sound like, though?
At least judging on the sonic strength of this video, it's very, very dirty. Honestly, it sounds unlike anything that's come out of the Chrysler Group in a long time, if ever. It's loud, almost brutally so, with a bark that few road-going V8s can match.
Of course, you should be the final judge here. Take a look and a listen at the two videos below, one of which comes from our friends at Cars.com that provides a nice look under the hood, and then let us know what you think of the Hellcat's singing voice in Comments.

Chrysler says its 8-speed transmissions will save 700 million gallons

Chrysler Group's TorqueFlite eight-speed transmission could be earning some serious green bragging rights if the company's projections are correct. The recently widely proliferated automatic gearbox, which is now in more than a million vehicles around the world, is poised to save drivers an estimated 700+ million gallons of fuel over the vehicles' lifetimes (an expected cost savings of $2.5 billion). In addition, Chrysler expects a reduction in CO2 emissions by more than six million metric tons. According to Chrysler, and depending on the vehicle, the TorqueFlite can improve fuel economy. The TorqueFlite autobox features particularly close ratios from fifth to eighth gear (see the press release below for the specific numbers), and uses low-viscosity fluid that doesn't need to be replaced. Transmission software adapts to the driving situation to optimize efficiency based on driver behavior, temperature, grade, stability control, and longitudinal and lateral acceleration. The TorqueFlite is capable of handling a variety of duties. As evidenced by the wide range of vehicles Chrysler Group has seen fit to equip with the eight-speed transmission, the TorqueFlite is capable of handling a variety of duties. Since its 2012 introduction, the TorqueFlite has gone from performing cog-swapping duties in Dodge Charger and Chrysler 300 models equipped with the 3.6-liter Pentastar V6 to changing gears in vehicles such as the Pentastar- and Hemi-powered Dodge Durango, Jeep Grand Cherokee and even the Ram 1500 EcoDiesel. For the 2015 model year, the eight-speed is finding its way into even more vehicles with the addition of a third version. In addition to the American-made TorqueFlite 845RE and 8HP70, the new 8HP90 will be manufactured in Saarbrucken, Germany. The 8HP90 is designed for higher torque loads, making it ideal for high-performance vehicles like the 2015 Dodge Challenger SRT Hellcat. The already-in-use 8HP70 will expand its duties to be used in 2015 Hemi models such as the Dodge Charger, Challenger, and Challenger SRT8. You can see the list of those benchmarks in Chrysler's press release below.

Mopar teases a big Hemi crate engine for SEMA

Mopar has released a new video teaser hinting at the release of a large and powerful crate Hemi engine at SEMA later this month in Las Vegas. The video functions like a lesson on symbolism in an English lit class. It opens with smoke and settles on a pair of backlit, large-clawed paw prints that look to be feline in origin. Then we hear earth-shaking pounding sounds of something larger than the paw prints that stomps over them. Then cue an overhead shot of what looks to be a vintage-model Dodge Charger and its growly Hemi engine entering the frame and then gunning the engine. Mopar already offers three crate Hemi V8 engines, topped by the 6.2-liter supercharged Hellcat, good for 707 horsepower and 650 pound-feet of torque, found in the Dodge Charger SRT Hellcat and marketed for pre-1976 classic muscle cars. So promising that "Something big is coming" is really saying something. Could it be a crate version of the 808-hp Hemi 6.2 that was found in the Dodge Demon, which was rated at 840 hp on racing fuel? Or is it something different? Curiously, Mopar says its reveal is planned for Tuesday, Oct. 30 at the odd time of 4:26 p.m. Could that time be a reference to the 426 Hemi — and specifically the Generation III 426 Hemi "Elephant" that Chrysler made several years ago? That technically qualifies as "bigger," and it would also align with both the muscle car-era Charger and round, earth-shaking footprints shown in the video. Time will prove whether we were right. Related Video: Image Credit: Mopar SEMA Show Chrysler Dodge Performance Classics dodge demon dodge charger srt hellcat