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GM to build outgoing Silverado and Sierra until late 2019

As it has done with previous generations, General Motors is keeping the outgoing versions of its 1500 pickups in production despite the arrival of the all-new 2019 Chevrolet Silverado and 2019 GMC Sierra. The production of the previous, K2 generation models will begin to be wound down gradually, according to Automotive News, starting with crew cabs "early next year," and double and regular cab models following during "the early second half of next year." The old model trucks will continue to be built into "late 2019" based on market demand, GM's spokesperson Kim Carpenter said. The Chevrolet will go by the name Silverado LD, with the GMC Sierra designation still to be announced. Some of the outgoing models are built by sharing the assembly work between two GM plants. Partially finished Silverado and Sierra double cab bodies are shipped from Fort Wayne, Ind., to Oshawa, Ont., where the trucks are completed, including receiving paint. This eases the workload in Fort Wayne, where production of the new T1 generation trucks started in July 2018. In January, the Silao plant in Mexico will take on the duties of building new generation regular cab and crew cab trucks. Carpenter also said that the "Oshawa shuttle," as the shared production is called, has been very successful. As a result, 60,000 more trucks will be built than what the original production forecast initially called for. GM's latest quarterly profits, disclosed last week to be $1 billion, have been far higher than expected and will result in full-year profits far higher than what had been predicted in light of steel tariffs. GM isn't the only truck maker taking a similar multi-generation approach for 2019. Both the outgoing and redesigned Ram 1500 are in production, with the previous generation being dubbed Ram 1500 Classic. Related Video:

Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.

eBay Find of the Day: Mario Andretti's personal 2009 Corvette ZR1

With victory in the the Indianapolis 500, a Formula 1 World Championship, a win in the Daytona 500 and too many other motorsports accomplishments to list, Mario Andretti stands among not just the greatest American racing drivers of all time, but the greatest drivers, full stop. Apparently, the champ is also a fan of speed when not on the track, because now there's a chance to own what is said tobe his personal 2009 Chevrolet Corvette ZR1 with just 12,872 miles on the clock. The eBay Motors auction page clearly shows Mario Andretti standing with the car, but the rest of the ad is admittedly short on details. The vehicle history report lists only one previous owner – ostensibly Andretti. The exterior is a handsome Blade Silver Metallic accompanied by a Dark Titanium leather interior. However, the seller keeps additional information to a minimum as well with the description simply stating, "This 2009 Chevy Corvette ZR1 is owned by Mario Andretti and has been garage kept all its life. It is fully loaded with all option on this car." The future buyer will get a seriously great car along with some huge bragging rights at any party by touting its ownership history. We've reached out to the seller for more particulars and provenance, and will update this story if we hear back. In the meantime, the auction for this C6 ends on Thursday, January 8, and currently the reserve isn't met. The price sits at a hefty $68,100 as of this writing, with six bids registered. Featured Gallery 2009 Chevrolet Corvette ZR1 owned by Mario Andretti Auction News Source: eBay MotorsTip: Roger Celebrities Motorsports Chevrolet Auctions Coupe Performance chevy corvette zr1