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2023 Detroit Auto Show recap | Autoblog Podcast #798

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor John Snyder and Road Test Editor Zac Palmer. The team attended the 2023 North American International Auto Show in Detroit this week, and have some thoughts about the reveals. They discuss the 2024 Ford F-150 (including the Raptor models), 2024 Jeep Gladiator, 2024 GMC Acadia and 2025 Cadillac CT5. Ford held a Mustang-focused event, and we talk about the Mustang Mach-E Rally and Mustang GTD. Finally, the hosts opine about the general vibe of the Detroit Auto Show, and whit it means for auto shows in general. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #798 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 2024 Ford F-150 revealed at Detroit Auto Show: New tailgate, more screens and fresh looks 2024 Ford F-150 Raptor gets trick suspension and other upgrades 2024 Jeep Gladiator debuts with new interior, more options and trim levels 2024 GMC Acadia gets bigger, goes entirely turbocharged 2025 Cadillac CT5 revealed with updated looks and tech Ford Mustang Mach-E Rally coming to a trail (and showroom) near you 2025 Ford Mustang GTD revealed as a race car for the road General thoughts about the show 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: Quick look at the 2025 Ford Mustang GTD

'Killing a Duramax' Gale Banks YouTube series methodically tunes a diesel to death

Learning or perfecting a skill by watching YouTube videos is known as attending YouTube University. GM Authority picked up on one of the video site's more fascinating courses, hosted by Gale Banks; in a fair world, he should be referred to as Professor Banks when it comes to diesel engines and truck tuning. A few months after GM introduced the updated L5P 6.6-liter Duramax diesel V8 in the 2020 Chevrolet Silverado HD and GMC Sierra HD that ships with 454 horsepower and 910 pound-feet of torque, Banks decided he wanted to methodically tune the engine to death. The purpose of the resulting series, called "Killing a Duramax," is to push more power out of the engine in order to discover which parts break and when — or, as Banks puts it, force-feed the Duramax "until the crank hits the street and the heads hit the hood." With that knowledge, Banks can figure out all the weak points on his way to building what he calls a "Superturbo," that being a supercharged, twin-turbo race engine with more than 1,000 hp. What makes the series fascinating is Banks' knowledge, paired with the company's comprehensive iDash engine monitoring system that keeps tabs on a glut of parameters every step of the way. So for instance, you get Banks explaining the differences between inches of mercury and barometric pressure, how those are different from the water content of the air measured in grains, then showing those readouts on the iDash, then explaining in detail how they affect the air density in the Duramax system. The stock Borg-Warner variable turbo gets a lot of airtime — Banks accuses it of being "out to lunch" because he feels it's the weakest link on the engine. That turns into a turbo teardown and a deep explanation of performance pitfalls, such as when air pressure on the turbine begins to diverge from the boost pressure coming from the compressor. Banks says he can keep close tabs on where power's coming from, because the iDash monitors the horsepower contribution provided by the ambient air, the turbo, and the intercooler separately. The major changes so far are a stouter Precision 7675 turbo and TurboSmart wastegate (episode 5), a twin intake (episode 6), a custom liquid-cooled intercooler from a marine engine, a new GM oil cooler and synthetic oil (episode 10), and new injectors (episode 11).

2021 GMC Terrain spied on GM's Proving Grounds

As the Chevrolet Equinox changes, so does the GMC Terrain. We saw shots of an updated Equinox not too long ago, and now our spy shooters have caught the GMC version of the crossover testing inside GM's Milford Proving Grounds. Similar to the Equinox, the Terrain is due for a mid-cycle refresh soon. Unfortunately, GM has this compact crossover covered up heavily to make sure we can't tell what's coming yet. The midsection of the vehicle remains the same as before, and we can even see the floating roof design outlined in the back by the camouflage. We imagine the majority of the changes will come up front with a new fascia including a different grille and headlight design. If it adopts the latest from the bigger Acadia, we'll be looking at a much more upright and butch-looking grille. That look descends from the full-size Sierra, though, so we'll see how much truck GMC wants to put in its small crossover. What will be most interesting of all is if GMC sticks to its guns with the wacky push-button shifter on the dash. The weird design has received mixed feedback, and this would be GMC's first big opportunity to respond. However, we expect most interior changes to be kept to a minimum, as this is only a mid-cycle refresh — GM completely redid everything for the full redesign in 2018. Additionally, we'll be interested to hear if the diesel will continue to be available as an option going forward. We'll likely see the refreshed Terrain sometime after the next Equinox is revealed. As it stands, this Terrain is probably a 2021 model year vehicle, and will be revealed at the tail end of this year, or in early 2020.