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Inline-6 Hemi replacement on the cusp of production from Stellantis

It appears that Stellantis is ready to put its long-rumored inline-six into production at its Saltillo, Mexico plant, possibly marking the beginning of the end of Chrysler's long-running 5.7L Hemi V8. But so far, the automaker's American brands have remained mum on where exactly the new turbocharged "Tornado" I6 may land. Stellantis powertrain blog Stellpower (by way of Muscle Cars & Trucks) spotted an entry for a new "GME T6" inline-six engine on the Saltillo facility's web site, suggesting that it was either in production or close to it. That entry has since been removed, but the mystery remains.  We've been hearing tidbits here and there about this new inline engine for years, but this is the first time we've seen anything suggesting its arrival is imminent. Usually, such a significant powertrain update would coincide with the launch of a new product to showcase it. So far, Stellantis has remained mum, even overseas, about where this engine is destined to reside. 2022 model year vehicles are likely off the table entirely.  But while it's common for new engines to debut with new cars and trucks, it's not a universal truth. Ford's Coyote V8 missed the corresponding Mustang refresh by a year, for example, orphaning the 2010 model and its much-needed styling updates with the old 4.6L V8 (and the 3.8L V6, for that matter; the 3.7L Duratec was also late to that party). Even sticking just to Stellantis, the JL Wrangler's powertrains have been a work in progress since it arrived back in 2018. The standard V6 and 2.0-liter turbo-4 debuted at launch; the EcoDiesel, 392 and 4xe all came later.  And 4xe may be the model by which to measure our expectations. Its introduction didn't come completely out of nowhere, but it was rather sudden for what turned out to be such a solid offering. That bodes well for the company's existing Hemi-powered trucks and SUVs. The Ram 1500, Jeep Grand Cherokee and Wagoneer are all strong candidates to receive the new Hemi replacement, as all would greatly benefit from even small improvements in fuel economy. If there's to be a future for the Dodge Charger and Challenger and Chrysler 300, they'd benefit too. And how about a Gladiator with the wick turned up, positioned as its equivalent to the Wrangler 392. Turn that Tornado into a Dust Devil. Don't worry; we've got plenty more where that came from.  Related Video This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Pony-car sales war: Mustang vs. Camaro vs. Challenger [UPDATE]

Update: An earlier version of this story misstated the 2015 Mustang's weight when compared with previous models. Additionally, we have added comments from Chevrolet in the text. The Ford Mustang has blown past the Chevy Camaro as America's best-selling pony car, and in June, it wasn't even close. The 'Stang outsold the Camaro 11,719 to 8,611 cars. The Camaro remained ahead of the Dodge Challenger, which sold 6,845 units. Even though the Camaro did post an 11.5-percent sales improvement in June, the competition is arguably stronger than at anytime since the 1970s muscle-car era. The Mustang's sales leapt a whopping 53.6 percent, while the Challenger saw a gain of 56 percent. Several factors are weighing down Camaro sales, including its lame duck status. Chevy is launching a new generation of the Camaro this year that's more than 200 pounds lighter, offers a new turbo four-cylinder engine option, and has a nicer interior than the outgoing model. Put simply: wait a few months and you can get a better car. It's also unlikely Chevy will jack up the price much, as it's historically kept the Camaro within reach of everyday enthusiasts. While Chevy fans wait in anticipation for their new sports car, Ford and Dodge have downshifted. The new Mustang, which went on sale last year, is faster and more sophisticated than its predecessor. It also offers a 2.3-liter EcoBoost four-cylinder, which Ford has credited for the Mustang's recent uptick and makes up 36 percent of the car's sales, Ford analyst Erich Merkle said. View 17 Photos June's performance allowed the Mustang to widen its sales gap with the Camaro this year. Through the first five months, Ford sold 68,290 Mustangs, a 54.4-percent increased compared with 2014. Chevy sold 42,593 Camaros, an 8.7-percent decrease. The Challenger – long the No. 3 pony car in sales volume – has seen its sales surge 41 percent this year to 37,011 units. Spokesman Monte Doran said Chevy expected that 2015 would be a "relatively soft year" for the Camaro. "Mustang is taking advantage of years' worth of pent-up demand for an independent rear suspension," he said. "When Camaro introduced an IRS, in 2009, it helped make us the best-selling performance car in America.

Dodge Challenger ACR rumored finally on its way using Viper ACR as benchmark

In 1995, Dodge released the ACR Neon, an unlikely combination of cheap, compact American sedan and high-performance parts and engineering marked by initials standing for American Club Racer. Dodge sold a heap of them, so the automaker flexed the ACR brand's potential with the first ACR Viper in 1999. The racy coupes made huge noise for Dodge and the Viper. After the fourth-gen Viper ended production in 2010, Dodge took a Challenger ACR concept to SEMA in 2011. But instead of carrying the coupe to production, Dodge resurrected the Viper for 2013 and got one more Viper ACR model out during the last Viper's final years. With the Viper gone again, it appears Dodge is sorting out that Challenger ACR concept for real. Last October, Mopar Insiders reported the automaker was trying to get a Challenger ACR prepared for the model's 50th anniversary this year. The timing looks highly unlikely, but an Allpar source says the track-happy coupe is still coming, and with bonkers expectations and gear. We're talking about a big-boi widebody Challenger tuned to do hard laps, fast, around twisty circuits, all day long. An Allpar insider known as "Muther," a code name to tug at John le Carre's heart, said Dodge is considering two engines. Because the point of the car is to be raced and some series don't accept forced induction, one trim would fit the naturally aspirated 392 Hemi from the R/T Scat Pack. There's no telling if that motor would get a power bump, but the Challenger ACR concept upped its output slightly with measures like a cat-back exhaust. The other trim, naturally, would fit the 6.2-liter Hellcat Redeye V8.     Muther told Allpar that if engineers can get the car under 4,000 pounds, the math points to being within two seconds of the time set by the Viper ACR-E at Road America. That "E" represents the Extreme Aero Package, with addenda like a deeper front splitter, dive planes, and an adjustable, dual-element rear wing that helped the Viper ring up 14 lap records on U.S. tracks. The fastest time we know of for a Viper at Road America is from 2011, factory race driver Kuno Wittmer doing 2:20 even in a Gen IV Viper ACR. Wittmer's ride weighed 3,408-pounds. Dodge boffins want to get the Challenger ACR under 4,000 pounds. Achieving the weight goal would mean cutting at least 387 pounds from a standard R/T Scat Pack Widebody, and 512 pounds from the Hellcat Redeye Widebody if that trim has the same target.