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Mil-Spec built a one-off, track-ready Hummer H1

Mil-Spec is one of the latest companies looking for success with restored and modified versions of iconic vehicles. Rather than Porsche 911s or '60s trucks and SUVs, its canvases are Hummer H1s. The customer vehicles are big, brash off-road machines, but that's not all the company is capable of. We recently learned that the crew over there built a Hummer H1 meant for race track use, and it is amazing. The base vehicle is a four-door convertible pickup truck, and Mil-Spec thoroughly changed the suspension. It has custom coilovers with stiff springs, and the entire suspension geometry has been revised. Overall, it was lowered a stunning seven inches compared with a stock H1. The H1's in-board brakes now feature six-piston brake calipers, and the wheels are wrapped in low-profile Pirelli P-Zero tires. Also impressive is the fact that the truck still has a part-time four-wheel-drive system. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Under the hood is a 6.6-liter Duramax diesel V8 similar to that in the customer models. But this one has been tuned all the way up to 800 horsepower and 1,500 pound-feet of torque. This engine also plays a role in this truck's origins. Apparently the truck was used for final powertrain testing and development. But it was also built to highlight the company's capabilities. If you want one of these, well, you can't have one. At least not yet. We asked a Mil-Spec representative, and he told us that there are no plans for offering track-oriented H1s. That's understandable, since the company is still working through building and selling its initial run of 12 off-road-ready vehicles. He did say the truck has generated a lot of interest, though. So, maybe when the company has time, and if a really wealthy buyer really wanted one, maybe the Mil-Spec could work something out. But at least in the meantime, the company is sticking to tall, chunky-tired H1s. Related Video:

Hummer EV SUV official range announced: 3X truck tops 350 miles

The first run of GMC Hummer EVs were in one single specification: pickup truck in Edition 1 with all the off-road goodies. The most pertinent of those off-road upgrades to electric range being the 18-inch wheels with mud-terrain tires. And it was rated for 329 miles. But now, there are more Hummer variants. The pickup truck is now available with a 3X trim that comes standard with more efficient all-terrain tires wrapped around 22-inch wheels, and there's the SUV with both trims and both types of tires, not to mention a smaller battery pack. And now we have the official range estimates for them. We'll start with the Hummer EV SUV, since all of the official range ratings are new to us. The tires are the key factor, with the all-terrain equipped Edition 1 and 3X both managing 314 miles of range. Yes, this is less than even the mud-terrain-equipped truck, but that's mainly because the shorter length of the SUV means it has fewer battery cells and capacity. It has about 170 kWh of capacity versus the truck's 200+. Adding the Extreme Off-Road Package and its more aggressive tires drops range to 298 miles. The Four-Wheel-Steer system lets the 2022 GMC HUMMER EV Pickup m View 17 Photos As with the SUVs, the Hummer EV truck gets a solid range boost to 355 miles when it's not equipped with the off-road package. There's another benefit to the regular all-terrains on the Hummer EV truck: towing capacity. At 8,500 pounds, it can tow an extra 1,000 pounds over the models with the off-road package. GMC also notes that another potential benefit to the all-terrain-equipped trucks is a suspension tuned for better on-road handling. And our experience has shown that even Hummer with the off-road package isn't too shabby on pavement. Of course, skipping the off-road package will also save you some money, as will opting for the 3X trims. So unless you're really going off-road seriously, and would make regular use of the extra skid plates, under-truck camera and chunky tires, the standard suspension and tire setup really is the way to go. Related video:

GMC Hummer EV recalled over improperly sealed battery pack

Over 700 units of the GMC Hummer EV built during the 2022 and 2023 model years will be recalled due to an improperly sealed battery pack that lets water in. The firm issued a stop-delivery order at the same time as the recall, and it hasn't found how to fix the problem yet. Assigned recall number 22V-771 by the National Highway Traffic Safety Administration (NHTSA), the campaign includes 735 examples of the Hummer EV and 89 units of the BrightDrop Zevo 600 van. These two vehicles are pegged on opposite ends of the automotive spectrum, but they're affected by the same problem: "the high-voltage battery pack enclosure in some of these vehicles may not have been properly sealed," GMC notes, adding that "flanges on the battery pack enclosure may not have been properly primed or electrocoated." Water can wreak havoc in a high-voltage battery pack. GMC told NHTSA that it has found three EVs with this problem: an internal test vehicle that lost power while driving and two customer-owned vehicles that wouldn't start. As of writing, the firm is not aware of any accidents, injuries, or fires related to the issue, and GMC estimates that only about 1% of the recalled EVs are affected. GMC began notifying dealers of the recall in October 2022, and it plans to start reaching out to owners on November 28, 2022. However, a fix hasn't been found yet. In the meantime, the company issued a stop-delivery order and asked dealers not to attempt their own repairs. This isn't the Hummer EV's first run-in with water-related problems. In August 2022, General Motors voluntarily recalled 424 units of the Hummer EV and the Zevo 600 van due to a high-voltage connector that can prematurely corrode. The problem also let water leak into the battery pack, though it sounds like fixing it was reasonably straight-forward and involved applying sealant to the connector. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Featured Gallery 2022 GMC Hummer EV Edition 1 First Drive View 17 Photos Green GMC Hummer Truck Electric