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Ford files patent for 11-speed transmission

The automatic transmission seemed limited to three or four gears for decades, and then the automotive world slowly started to see more ratios becoming available. Today, seven-, eight- or nine-speed gearboxes have become rather common. Ford even has an automatic with 10 gears on the way for the future F-150 Raptor. The Blue Oval might not be done yet, though, because the company also now has a patent on an 11-speed box. The filing, which was discovered by AutoGuide, says this idea "produces eleven forward speed ratios and one reverse speed ratio by selective engagement of three shift elements in various combinations," and the company outlines three different ways of making this possible. The advantage of adding one more ratio is that the gearbox should be able to keep the revs in the ideal portion of the engine's torque curve even longer. Obviously, automakers patent ideas constantly, and applying for one is no guarantee that the tech ever arrives on the market. Conversely, these documents provide a tiny glimpse at one of the brand's focuses of development. If you're mechanically minded or just curious, you can read the entire application here for the technical nitty-gritty.

2022 Chevy Silverado ZR2 vs Ford F-150 Raptor and Ram 1500 TRX Spec Comparison

The 2022 Chevy Silverado refresh brings a new top dog off-road Chevy, the Silverado ZR2. It has the biggest V8 available, flashy looks, trick suspension and other off-road goodies. And naturally, that means people will be comparing it with the other top-rung off-road trucks, the Ford F-150 Raptor and the Ram 1500 TRX. As such, we've assembled the specifications available so far to see how the three super trucks compare. Having just been revealed, there are a few things we don't know about the ZR2, such as fuel economy and some other suspension details, but we know quite a lot. And from what we know, the ZR2 has some interesting positives and negatives compared to the other trucks. First, it's pretty clear that the ZR2 isn't as extreme as the Raptor and TRX. We wouldn't be surprised if Chevrolet insists they aren't direct competitors. Specifically it has the least power and torque by a fair margin, the smallest tires and the least ground clearance. Still, it's not completely fighting with an arm tied behind its back. It's the narrowest by a significant margin, which is good for tighter trails. It also has the best towing and payload capacity, and the approach, break-over and departure angles are quite competitive despite the "little" tires. It's also the only one to boast a locking front differential in addition to a rear locker. The Raptor can be had with a limited-slip front differential, and the TRX only gets an open front differential. Check out all the specific numbers in the chart below, as well as additional stories on the trucks featured below. Other reviews and deep dives about the new Silverado, F-150 Raptor and Ram 1500 TRX 2022 Chevy Silverado 1500 Reveal In addition to the new ZR2, the Silverado line also gets new interiors, an upgraded four-cylinder and other updates.   2021 Ram 1500 TRX First Drive Review Our review of the Raptor's chief competitor, the mighty TRX. That just sounds like we're talking about Jurassic Park.   2021 Ram TRX Suspension Deep Dive and RTI ramp test Follow along with engineer Dan Edmunds as he takes you under the TRX and explains everything there is to know about its suspension -- and how it's able to do what it does.

Ford recalls nearly 200,000 Expeditions and Navigators for fire risk

Ford is recalling 2015-2017 Expeditions and 2015-2017 Lincoln Navigators because the front blower motor could fail and cause a fire. In total, 198,482 Expeditions and Navigators will be recalled. In the official recall documents posted by NHTSA, Ford says that it “has not identified the cause of this condition.” However, Ford also says it is currently aware of 25 fire allegations related to the blower motors on these vehicles. Despite not strictly identifying the cause of blower motor fires, Ford put forth a theory in its fieldwork analysis of the issue.  “In June 2022, based on component analysis, Ford Engineering theorized that a mispositioned blower motor brush holder spring could cause an internal short or localized heating of the brush spring or holder. It is believed that when a fire initiates on the blower motor, it does so at the positive brush holder location. The variable blower controller would remain operational and there would be no signs of an overheated relay. Field data indicates that this concern typically occurs at a higher time in service, and on vehicles with higher mileage.” Since the blower motor is located on the passenger side interior behind the glovebox, the fires that start are interior fires. Ford isnÂ’t aware of any accidents related to this issue, but there is one claim of burnt hands and fingers as a result of a fire. According to Ford, warning signs of an impending fire or failed blower motor include an inoperative fan, burning smell and/or smoke from the instrument panel vents while the vehicle is on. To remedy this situation, Ford is recalling the affected SUVs and replacing the blower motor assembly with a revised part. The new part uses a blower motor assembly design utilized on other applications. If folks with these SUVs experience any symptoms of blower motor failure before the new part becomes available, Ford says they can take their vehicle to the dealer to have it replaced with a part of the same design. Once the redesigned part becomes available, the dealer will then swap it in. Owner notification letters are expected to begin on September 12 this year. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.