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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.

Jay Leno's 426-powered 1966 Dodge Coronet 500 is simple and simply fun

This week on Jay Leno's Garage, the man in denim presents one of his most subdued-looking cars, a 1966 Dodge Coronet 500. Despite that, it's one of his favorites. As he shows, the car is nearly free of any unnecessary options, excepting bucket seats and a console shifter. At least those are the only visible options, since the original owner also opted for the massive 426 cu. in. Hemi V8. What Leno really likes about the car is the honking huge V8 combined with the car's simplicity, especially the lack of frivolities like scoops, stripes, and wings. It's finished in a low-key, dark metallic green, and has plain-Jane "dog dish" wheel covers. The one downside to the vehicle is the lack of stopping and turning ability, Leno says, which is not surprising considering the four-wheel drum brakes and lack of power assist. And keep in mind, the Coronet is not a small car. Still, it's a mean green machine, and it sounds great. Leno also demonstrates the engine's capability to chirp the tires going into second gear, despite having a three-speed automatic and a relatively tall 3.23 rear axle gear ratio. Check out the video above to get the whole story and to hear rumbling V8 noises. Related Video:

SpeedKore carbon-fiber 1970 Dodge Charger packs a 996-hp Demon engine

SpeedKore Performance does some pretty neat things with carbon fiber. SEMA is always the place to show off new and interesting builds, and SpeedKore has a few new offerings on display. We talked about the lightweight carbon fiber 2018 Dodge Demon late last week, but now that SEMA 2018 is in full swing, we've got a look at something even cooler, an all-carbon, Demon-powered 1970 Dodge Charger "Evolution." SpeedKore Performance is based in Wisconsin and has been churning out SEMA showstoppers for years. In addition to the Demon, take a look at this Shelby GT350R the shop modified a few years back. The Charger Evolution is named so because it further modifies the SpeedKore Charger "Tantrum" that was used in the " Fast and Furious" films. That car used a carbon composite body and was fitted with a 9.0-liter Mercury Racing twin-turbo engine making an absurd 1,650 horsepower. The Evolution might be down on power — only 996 horses thanks to a modified Demon crate engine — but the goal was to create something a little more usable than the Tantrum. Upgrades include a smaller supercharger pulley, larger fuel injectors, a custom cold-air intake, stainless steel headers and a custom exhaust with SLP mufflers. There's also a Dailey Engineering dry sump, upgraded oil cooler, and Saldana radiator. It's also lighter, thanks to even more carbon fiber. SpeedKore had a goal to get the '70 Charger to about 3,200 pounds. To get there, the Evolution employs carbon-fiber bodywork, an aluminum floor, a steel roll cage and a new 2x3-inch steel box frame. SpeedKore's autoclave is large enough to bake a one-piece roof, hood and quarter panels. The bare bodywork has been finished with a clear coat to help prevent fading. The Evolution uses billet aluminum for the door handles, fuel cap and grille, all finished in a bronze-nickel coating to pair with the HRE wheels. In addition to the floor, aluminum was used for the firewall, transmission tunnel and radiator shroud. To slow the Charger down, it uses Brembo brakes with six-piston calipers up front and four-piston calipers in the rear. The suspension uses Penske adjustable coilovers while Michelin Pilot Sport 2 tires wrap 19x10-inch front wheels and 20x12-inch rear wheels. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.