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Maxwell RHEV Prototype First Drive Review | More than meets the eye

The Maxwell RHEV looks just like any small business' panel van, sporting large vinyl graphics and unassuming steel wheels. You'd have no idea that the co-founders of the startup based out of Seattle had grafted a salvaged Voltec powertrain from a junkyard Chevy Volt into this Ram ProMaster. Somewhere, a battery pack lurks. Maxwell's co-founders, CEO Max Pfeiffer and engineer Trey Camp, open the cargo area to reveal a completely unaltered space. Both are ex-Tesla employees with a long fascination for the #vanlife movement – that their interests intersected in a hybrid cargo van isn't surprising once you start talking to them. This is their first vehicle, a salvaged ProMaster sidelined with a blown 3.6-liter Pentastar, and it's both their prototype and the only Maxwell in existence right now. That said, the company is building a low-roof version for a customer, which will be lighter, have less aero drag and therefore be more efficient. The company is just emerging from a stealth startup mode, and while their backstory is fascinating, I'm still wondering where the Volt's 18.4 kWh battery pack is. "There's nothing in the back ... we're able to get the battery underneath the floor, in the center," Pfeiffer says. Ducking my head under the side reveals, sure enough, a little underside blister that contains the battery, tucked up neatly. The other changes to the RHEV – short for Range-extended Hybrid Electric Vehicle – are minimal. He pops the hood. There are some rough edges, but the 1.5-liter, 101-horsepower engine and 48-kW motor fit comfortably on custom engine mounts and with re-routed exhaust, behind a fascia that improves aero and houses the charge port. Custom axles send power to unaltered Ram hubs and brakes. "This version, it's a little bit prototype-y," Pfeiffer says. "We've had more time to work with the CAD [computer-aided design, engineering drawings] we were able to get from GM and Chrysler, and we've done a better job packaging for production." GM already spent billions on the Voltec and its controlling software, and Maxwell can happily ride those coattails. Despite the help GM has lent Maxwell, there are no official ties. An emulator sends spoofed signals to the Ram instruments, which have a new custom-printed face. The Ram's body control module is left alone. For powertrain faults, Maxwell says the vehicle can theoretically be serviced by any Chevy dealer, and any issue with the rest of the vehicle can be handled by a Ram service shop.

2019 Ram 1500 Warlock is priced right and revives a retro name

Few car companies have a history as rich and fun as Mopar, and few companies take advantage of it like Fiat Chrysler. Bringing back fantastic colors such as Sublime, or exciting models such as Power Wagon, FCA is an ace at retro vehicles. Well, it is most of the time. Then there are things like the 2019 Ram 1500 Warlock. But before we dig into the new one, we need to talk about the original, which was a trim introduced in 1976 on Dodge's old full-size truck. It was part of a line of pre-customized Dodges called "Adult Toys" ( we're not making that up). The Macho Power Wagon was one of them, and the modern Power Wagon's stripes come from that truck. The Warlock was likewise a pre-customized truck that came with gold pinstripes, wheels and upholstery, bucket seats and oak bed rails. It was also available with a six- or eight-cylinder engine and two- or four-wheel drive. The new Warlock does fit some of the original's spirit, since it's customized from the factory. It has a one-inch lift over the stock truck, powder-coated bumpers, fender flares, 20-inch wheels and decals aplenty. It's even available with six or eight cylinders and rear- or four-wheel drive. But our two main problems are that this doesn't look any different than other special Ram models, and nothing about it references the old Warlock. As for the first problem, we've seen all the parts and most of the stickers on this truck before, especially on the Rebel that has the same lights, grille, bumpers and fender flares. And for the second, this was a big missed opportunity to try out some cool retro touches, such as the gold wheels and pinstripes. A custom interior would have been especially nice. The new Warlock has just the plain "Diesel Gray" interior found on most basic Rams. And this is all without something unique like the original's wood bed rails. There is an upside to all of this, though, and it's that the Warlock offers truck buyers a way to get a new Rebel-style Ram for a lot less than the real thing. The Rebel trim no longer exists on the Ram 1500 Classic (what the Warlock is based on), and it starts at $46,635. The Warlock starts at just $37,040 with two-wheel drive and the standard V6. Buyers can also add a V8 and four-wheel drive as options. So the Warlock isn't a great Warlock, but it's a solid budget Rebel. Related Video:

Ram 1500 TRX too tame for you? Hennessey cranks its Hemi V8 to 1,012 horsepower

Ram captured the top spot on the horsepower podium when it released the Hellcat-powered 1500 TRX in 2020. The truck's 702-horsepower output places it comfortably ahead of the Ford F-150 Raptor, at least for now, but American tuner Hennessey saw plenty of room for improvement. It added over 300 horses to the TRX's cavalry. Hennessey is a master in V8-ology, so it was only a matter of time before it injected more power into the TRX. It announced two models named Mammoth 900 and Mammoth 1000, respectively, and each number vaguely corresponds to the V8's new output. The 900's 6.2-liter produces 912 horsepower and 873 pound-feet of torque, increases of 210 and 223, respectively, compared to the standard TRX. Hennessey achieved these figures by upgrading the supercharger pulleys and making relatively basic changes to the intake and exhaust systems. Stepping up to the 1000 unlocks 1,012 horsepower and 969 pound-feet of torque, numbers that give the 6,300-plus-pound truck the uncanny ability to reach 60 mph from a stop in 3.2 seconds. It flies through the quarter mile in 11.4 seconds at 120 mph. Building a pickup with supercar-like acceleration required installing a bigger, 2.65-liter supercharger, adding high-flow fuel injectors, and recalibrating the ECU. Intake and exhaust modifications are on the menu, too. Surprisingly, it doesn't sound like Hennessey made significant internal changes to the engine or to the transmission, which suggests the standard components can handle a massive amount of power. Context is useful here. Released in 2013, the fifth and final generation of the Dodge-turned-SRT-turned-Dodge again Viper took 3.3 seconds to sprint from zero to 60 mph, and it logged an 11.5-second quarter-mile time. Previewed in a computer-generated sketch, the Mammoth 1000 (shown above) also receives 20-inch wheels wrapped by 35-inch off-road tires, a 2.5-inch suspension lift, custom bumpers on both ends, extra LEDs up front, electronic fold-out steps, plus an array of model-specific emblems. Inside, Hennessey added a numbered plaque. 200 units of the Mammoth 1000 will be available for the 2021 model year, and pricing starts at $135,350 including the cost of the donor truck (which carries a base price of $71,790) and a warranty valid for two years or 24,000 miles. Put another way, you get 30.6% more power than stock for about 40% more money.