08 Chevy Silverado 3500 Duramax Big Wheel Semi Conversion on 2040-cars

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2022 Chevy Tahoe, Suburban and GMC Yukon get updated transmission

General Motors' full-sized SUVs have slipped in one more change before the year turns. GM Authority reports that the 2022 Chevrolet Tahoe and Suburban, and the 2022 GMC Yukon and Yukon XL equipped with gas V8 engines, will pick up a revised ten-speed automatic transmission. The new unit carries RPO code MHS, and Chevrolet communications rep Catherine Scales told GMA the updated gearbox "allows our manufacturing and dealer teams to more easily align the specific calibration needed for the transmission and can enable OTA updates in the future." It seems GM wants to make it easier to update the transmission's tuning and calibration in the future with the automaker's networked Vehicle Intelligence Platform/Global B electronic architecture. The 10-speed auto comes bolted to the 5.3-liter V8 and the 6.2-liter V8. The 3.0-liter inline-six Duramax diesel continues with the 10-speed automatic already in use. To recap the other changes for the full-sizers, we'll start with the 2022 Tahoe and Suburban, which get a new 12.3-inch digital instrument display to replace the former 8-inch unit and physical gauges. Navigation will be standard equipment displayed on the 10.2-inch infotainment touchscreen on all trims barring the base LS. Lane-keeping assist and parking sensors are also now standard, while reverse automatic braking is added to the Enhanced Display and Alert package on the top trims. Finally, the 6.2-liter V8 option is expanded to the Z71, RST and Premier trim levels, but it requires selecting one or more packages on the Z71 and RST. Moving onto the 2022 Yukon, availability of the 6.2-liter V8 expands to the AT4 trim, and the big V8 comes with a shiny pair of exhaust finishers. Redwood Metallic paint joins the exterior color palette, more wheel options are on offer, and illuminated sill plates can gussy up the rocker panels . An Enhanced Trailering Technology Package adds 13 cameras with the option for an interior accessory camera for those with enclosed haulers. On the safety side, expect reverse automatic braking to join the list of available driver assistance features. Inside, the Yukon welcomes the 12.3-inch digital cluster, the Yukon Denali welcomes the power sliding console as a standard feature instead of a $350 option.  Related Video:

Question of the Day: Worst year of the Malaise Era?

The Malaise Era for cars in the United States spanned the 1973 through 1983 model years, and featured such abominations as a Corvette with just 205 horsepower (from the optional engine!) and MGBs with suspensions jacked way up to meet new headlight-height requirements. There were many low points throughout this gloomy period, of course. The horrifyingly low power and fuel-economy numbers for big V8s during the middle years of the Malaise Era make a strong case for 1974 or 1975— the years of Nixon's resignation and the Fall of Saigon, respectively— as the most Malaisey years. But then the GM-pummeling debacles of the Chevy Citation and Cadillac Cimarron could make an early-1980s year the low point. 1979, the year of the ignominious Chrysler bailout? You choose! Related Video:

2017 Honda Ridgeline enters the landscape block war

In the test of pickup truck beds, if steel is apples and aluminum is oranges, Honda wants you to know that composites are pineapples. Chevy recently performed a test in which its own Silverado was pitted against its most obvious competitor, the Ford F-150. A loader dropped over 800 pounds of landscaping blocks into the two truck beds, and Ford's aluminum bed ended up with more damage than Chevy's steel bed. Check that test out right here. Honda apparently wasn't content to let Chevy throw stones alone. In a new test, the Japanese automaker replicated the block-drop test using its brand-new Ridgeline truck, which features a composite bed. As you'll see in the video above, there was very little damage to the high-strength plastic bed of the Ridgeline after a similar load of landscaping blocks were dropped from a loader. Without being on hand at any of these tests, we can't say with any degree of certainty that they match up in severity. But they all look pretty similar, and this is actually a test that Honda performed in front of journalists ( ourselves included) earlier this year. We visually inspected the composite bed of a Ridgeline after a demonstration just like the one on video above, and can confirm that there was basically no damage to Honda's truck. Chevy went an extra step by flinging a heavy toolbox into the Silverado and F-150; Honda didn't match that particular test. Does any of this matter? That's up to truck buyers and owners to decide, naturally, but we doubt anyone would actually dump a load like this into their own truck. And it's also worth noting that a heavy-duty spray-on bedliner would probably minimize damage to the metal surface below, whether steel or aluminum. If nothing else, it's memorable marketing. Related Video: