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Hennessey Mammoth is a Ram 1500 TRX turned three-row SUV

The 2021 Ram 1500 TRX is a thoroughly incredible machine that's great for pounding across dunes and flying over jumps, and you can even bring along some friends and their gear along for the ride. But what if you want to bring more friends along. Well, Hennessey Performance has the solution in the Mammoth SUV. What it is, is a TRX turned into a three-row SUV. It's something that Hennessey has experience with, as nearly a decade ago, it started converting some of its upgraded Ford F-150 Raptors (called VelociRaptors after being tuned) into custom SUVs. Like those Fords, the Mammoth will get a custom roof, rear pillars, glass and unified interior to provide more covered space. The company will also replace the second-row bench with captain's chairs and add a third row with a folding bench seat. While Hennessey could probably simply sell these TRX SUVs just with the body modification, the company will also add additional performance. An upgraded supercharger, pulleys, fuel injectors, engine calibration, intake and high-flow catalytic converters bring output to an absurd 1,012 horsepower and 969 pound-feet of torque. Hennessey claims it will get to 60 mph in 3.2 seconds and through the quarter-mile in 11.4. The company also raises the truck an extra 2.5 inches and fits a custom off-road bumper with LED lights and 20-inch wheels with 35-inch tires. The whole thing will cost $375,000. That's no small amount, but there's a lot of custom work in the vehicle. Plus, it's exclusive, with only 20 units slated to be produced. If it's what you're looking for, the company is taking orders now. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Ram boss says not to expect midsize pickup in America

Remember that mysterious midsize four-door pickup FCA was spotted testing recently? It may be sold as a Fiat in markets overseas, but don't expect it to join the Ram lineup in North America. At least not according to the latest word from the truck brand's new boss. Speaking with Automotive News at the New York Auto Show, Ram CEO Bob Hegbloom outlined four criteria for a successful midsize pickup, particularly in the North American marketplace: they have less capability than a fullsize truck, but return with a more compact form, lower price and considerably higher fuel economy. "I've been able to develop a strategy to come up with three of the four," said Hegbloom, but "I haven't seen anyone who can deliver on all four." Smaller and less capable are easy, but getting both the price and the fuel consumption down at the same time is where it gets tricky. As it is, a Ram 1500 with the diesel engine and rear-wheel drive delivers 29 miles per gallon on the highway, which is already more than the 27-mpg rating on the midsize Chevy Colorado and GMC Canyon. But Hegbloom figures that in order to justify a midsize pickup, American buyers would expect at least 35 mpg on the highway, and in order to do so, FCA would have to employ some trick tech, which would in turn raise the price beyond an attractive level. The last time Chrysler offered a midsize truck in America was with the Dakota that was discontinued in 2011. Ford similarly ceased offering the Ranger in North America in 2012, leaving the new Colorado and Canyon to take on the Toyota Tacoma and Nissan Frontier in the compact/midsize pickup market in the US. With the prospect of a Ram version apparently off the table, then, Fiat's midsize four-door pickup is likely take on the likes of the Volkswagen Amarok, Mitsubishi Triton and Toyota Hilux in markets like Europe and South America. But like those trucks, it will likely never see the inside of an American showroom.

All hail the Hellephant, Mopar's 1,000-horsepower crate engine

It's shocking to say this, but the all-powerful Dodge Demon looks weak now that Mopar has unleashed the Hellephant. This crate motor makes 1,000 horsepower and 950 pound-feet of torque, and its name is a combination of the nickname for the old 426-cubic-inch Hemi V8 and, obviously, the Hellcat. This monster is a 426-cubic-inch version of the current third-generation Hemi V8 topped by a supercharger similar to what the Hellcat line packs. Everything is cranked up to — or perhaps, past — 11. The engine block is made of aluminum and weighs 100 pounds less than the equivalent iron block. All of the internals are forged. The stroke and bore have been increased. The supercharger produces 15 pounds of boost and displaces 3 liters; more than the 2.7-liter blower on the Demon and the 2.4-liter blower on the Hellcat. And as big and powerful as it is, it will still rev to 7,000 rpm. It's a thoroughly monstrous motor, but shockingly, it won't be that difficult to live with. For one thing, Mopar will offer a complete kit to get the engine up and running, including an engine computer, wiring harness and drive-by-wire throttle. It also runs on 93-octane pump gas. That's especially amazing considering the Demon engine "only" makes 840 horsepower, and that's on race gas with 100+ octane fuel. It also has us wondering what the Hellephant could make on racing fuel. The Mopar folks did say that there's room to add more power. Pricing wasn't announced for the Hellephant engine. The Hellcat crate engine retails at $19,350 directly from Mopar, so it's safe to assume that the Hellephant will go for more. The installation kit with the computer and harness will be an extra charge of likely over $2,000, based on the Hellcat kit. The engine and the kit will be available in the first quarter of 2019. Related Video: Featured Gallery Hellephant Crate Engine SEMA Show Chrysler Dodge Jeep RAM Performance dodge demon hellephant