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Goodbye Chevy Bolt, hello baby Ram and electric Chrysler 300 replacement? | Autoblog Podcast # 779

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor Jeremy Korzeniewski. They kick things off this week with some news. The Chevy Bolt and Bolt EUV will be discontinued. The McLaren 750S gets revealed and a four-door new flagship McLaren are rumored. Did Chrysler show dealers an electric 300 replacement, did we spy a new compact Ram, and are we closer to a production version of the Genesis X Convertible? Also, Greg recently visited Michigan Central Station, which Ford is revitalizing. In this week's fleet, your hosts discuss driving the Genesis Electrified GV70, Chevy Tahoe RST Performance Edition and the Polaris RZR XP. Finally, they take to Reddit for this week's "Spend My Money" segment. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast # 779 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown News Chevy Bolt EV and EUV, two of the most affordable EVs, ending production McLaren 750S revealed, adding power and lightness to the old 720S McLaren reportedly confirms four-door model and next flagship supercar Chrysler reportedly showed its dealers an electric 300 replacement Ram small pickup truck spy photos show scaled-down 1500 looks Are we closer to a production version of the Genesis X Convertible? Bill Ford's dream takes shape: Historic Detroit building turns tech incubator Cars we're driving 2023 Genesis Electrified GV70 2023 Chevy Tahoe RST Performance Edition 2024 Polaris RZR XP Spend My Money: Swap a 2023 Kia Stinger GT2 AWD for a 2022 Audi SQ5 Prestige? Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: Podcasts Chevrolet Chrysler Ford Genesis McLaren RAM Truck Convertible Coupe Crossover SUV Electric Future Vehicles Luxury Performance Supercars Sedan

The Corvette Museum sinkhole has been filled

After swallowing eight of the most prized pieces of the collection from the National Corvette Museum, the massive sinkhole from a year ago is rapidly becoming nothing but a bad memory. Based on the museum's weekly construction update, you can barely see the remnants of the 25-foot deep hole once in the floor. The Corvette Museum's Skydome was not always going to look like this. The original hope was to keep the sinkhole there as a tourist attraction. That plan eventually fell through, though, and instead it was decided five of the less-damaged Corvettes would remain unrestored. Progress has been moving fast to get the repairs done. Even a month ago, the hole was still very visible, and the construction company used remote-controlled Bobcat loaders to fill it in. Now, the museum has launched a contest to guess how many tons of stone it took to fill in the massive crater. The winner gets a print of the 2009 Corvette ZR1 Blue Devil being lifted out. Related Gallery National Corvette Museum Car Recovery View 25 Photos News Source: Corvettemuseum via YouTubeImage Credit: National Corvette Museum Weird Car News Chevrolet GM Videos National Corvette Museum

Chevy's 6.6-liter Duramax is pretty much all new

To say there's a heated battle in heavy-duty pickups is an understatement, with Chevrolet, Ford, and Ram constantly trading blows of increased torque, horsepower, and towing capacity. The latest salvo is the revised, more powerful turbo diesel 6.6-liter Duramax V8 in the 2017 Chevy Silverado. It has 910 pound-feet of torque, an increase of 145, putting it nearly level with the Ford Super Duty. Here's a closer look at where those gains come from. How exactly did Chevrolet add all that torque plus 48 horsepower? The automaker essentially took a fine-tooth comb to the entire engine. Chevy says it changed 90 percent of the V8, and the cumulative effect of those small changes adds up to big increases. As you might guess, the turbocharger is updated. The larger unit features electric actuation of the variable nozzle turbine (VNT), and what Chevy calls a double axle cartridge mechanism that separates the VNT moving parts from the housing. That helps with heat performance as well, with a claim that the exhaust side of the turbo can run continuously up to 1,436 degrees Fahrenheit. Helping that cause are six exhaust gaskets made of Inconel - an nickel alloy that contains chromium and iron – and upgraded stainless steel for the exhaust manifold. Despite having the same cast iron cylinder block, albeit with some minor enhancements, the engine has new cylinder heads, pistons, piston pins, connecting rods, and crankshaft, which have all been upgraded to handle 20 percent higher cylinder pressures. Alongside the increase in pressure, Chevrolet also increased the cylinder head's structure with a honeycomb design. The pattern features high-strength aluminum with dual layer water jackets that not only improve strength, but also optimize water flow for better cooling. For 2017, the cylinder head also benefits from integrated plenum that aids the engine in getting more air under heavy loads. The cylinder head isn't the only component to get a minor update, as the pistons have a larger diameter pin for improved oil flow. The same detailed improvements has been bestowed to the humble connecting rods (second in our hearts only to the inanimate carbon rod). The new design has the bolts oriented roughly 45-degrees to the rod instead of parallel. The angle split design, as it's called allows for easier passage through the cylinder.