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Mopar Muscle is Monster Jam's first OEM monster truck in over a decade

New monster trucks seem to join the Monster Jam circuit every year, but it's not often that one gets the official blessing of an automaker. That's about to change, however, as Chrysler's truck division has teamed up once again with Hall Brothers Racing - which already fields the championship-winning Raminator and Rammunition trucks - to field the series' first new Original Equipment Manufacturer monster truck in over a decade.
Dubbed Mopar Muscle, the new Ram monster truck will debut at the Monster Jam in Detroit on Saturday at Ford Field, at the first of six such events in which Mike Miller (who, incidentally, named his son Hemi) will drive the truck throughout the year.
Here's what you need to know: Based on a 2014 Ram HD pickup (or at least made to look like one), Mopar Muscle stands 10 feet tall and weighs over 10,000 pounds, and it's powered by the legendary Gen II 426 Hemi that celebrates its 50th anniversary this year. But instead of leaving the massive 7.0-liter engine as is, Hall Brothers Racing enlarged it to 565 cubic inches - a mind-boggling 9.3 liters - and supercharged it to 2,000 horsepower. That's a whole lot of muscle no matter what it's packed into. Check it out in our high-res image gallery above. You can also check out the full schedule of events in the press release below to see if the truck is coming to your area this year.

Jeep Wrangler 4xe's hybrid powertrain: Could it be headed to other FCA products?

On its own, the 2021 Jeep Wrangler 4xe plug-in hybrid is a big deal for the brand and the model line. It's the most powerful and most efficient Wrangler by significant margins, and it doesn't give up the off-road capability that makes the Wrangler so special. But another great thing about this hybrid powertrain is its potential to be transplanted into other FCA vehicles. Just to recap, the layout of the Wrangler's hybrid powertrain, front to back, is as follows: engine, clutch, electric motor, clutch, transmission. The engine is the same 2.0-liter turbocharged four-cylinder that's a standalone engine for the Wrangler. The transmission and electric motor are sort of one unit, with the motor and clutch replacing the torque converter of the transmission. And the transmission itself is the ubiquitous eight-speed ZF automatic gearbox. Its transmission code name is 8HP75PH. The ZF eight-speed is available in every FCA product with a longitudinally-mounted engine and rear-wheel drive or four-wheel drive, with variations in the amount of power and torque it can handle. Not only that, but the Ram 1500 and 2500 and the Jeep Wrangler and Gladiator all have powertrains that utilize the non-hybrid version of the 8HP75 transmission specifically. Even the gear ratios for that transmission as well as the 8HP70 used in the Jeep Grand Cherokee, Dodge Durango, Dodge Charger and Chrysler 300 are nearly identical to those in the 8HP75PH. And a Fiat-Chrysler representative confirmed that the transmission portion of the hybrid drivetrain is basically carry-over from the regular 8HP75. So a transplant could be a relatively simple process. As for which of these models would be the most likely to receive the hybrid powertrain first, the Jeep Gladiator and Ram 1500 would seem like good bets, since they likely have the most similar transmissions, and the Gladiator in particular because of its closely-related underpinnings to the Wrangler. Both are also highly profitable trucks that sell well and could justify the development costs of adapting another powertrain. And in the case of the Ram, there's the impending F-150 hybrid to think about. Although Ram isn't going after a fully electric model, a PHEV could be a nice middle ground. A potential limiting factor would be whether the hybrid powertrain would be sufficiently robust to handle heavy payload and towing demands, particularly over longer periods.

Ram 1500 TRX fuel economy figures are out — and economy isn't the right word

Ram published many statistics when it introduced the 1500 TRX, but one part of the puzzle was missing: fuel economy. It finally released those figures, and they confirm that supercar-like power brings supercar-like thirst. Driven with a light right foot, the TRX returns 10 mpg in the city, 14 mpg on the highway, and 12 mpg combined. It's the least efficient Hellcat-powered model; Jeep's Grand Cherokee Trackhawk scores 13 mpg combined, while Dodge's Charger and Challenger post 15. Figures for the Durango haven't been published yet, but there's no reason to think it will use more gas than the TRX. At 12 combined, the truck is about on par with the Lamborghini Aventador S. On the surface, that's not great. Keep in mind the mighty TRX was developed for off-road performance, however, and we doubt fuel economy entered the equation at all. It's a body-on-frame truck powered by a 6.2-liter V8 supercharged to 702 horsepower, it has mammoth 35-inch all-terrain tires to push around, and it weighs 6,350 pounds. Viewed in this light, 12 mpg is actually shockingly decent. Conversely, the folks who designed the Toyota Prius weren't concerned about its water fording ability, its approach angle, or its zero-to-60-mph time. Motorists who place fuel efficiency at the very top of their priorities list have a growing list of excellent options to choose from, even if they're in the market for a pickup. At the other end of the Ram spectrum, the rear-wheel drive 1500 posts figures of 23, 33, and 26, respectively, when it's equipped with the 3.0-liter turbodiesel V6. The TRX starts at $71,690 including destination, and it will arrive in showrooms later in 2020. Related Video: