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Autoblog Podcast #343

George Kennedy from Boldride.com, BMW i3, NACTOY long list, Bentley SUV
Episode #343 of the Autoblog podcast is here, and this week, Dan Roth and Steven Ewing are joined by George Kennedy, Autoblog alum and Editor-in-Chief of Boldride.com. Topics include the unveiling of the BMW i3, the 2014 North American Car and Truck of the Year long list, and the green-lighted Bentley SUV. As always, we start with what's in the garage, but then answer some of your questions before diving into the week's news. For those of you who hung with us live on our UStream channel, thanks for taking the time. You can follow along after the jump with our Q&A. Thanks for listening!
Autoblog Podcast #343:

Bentley to retire aging 6.75-liter V8 with current Mulsanne

The massive 6.75-liter V8 in the Bentley Mulsanne is one of the oldest engines still in production. But it may not be around for much longer. According to Car and Driver, Bentley intends to finally put the big old pushrod V8 to pasture once the current Mulsanne is phased out, thus putting an end to a saga that goes back some 57 years. Powerful as it may be, ever-stricter exhaust emissions and fuel-consumption regulations will see that the L Series V8, originally introduced way back in 1957, doesn't stay in production forever. Whenever the Mulsanne is replaced, it will reportedly get a brand-new twelve-cylinder engine. Bentley is currently the world's largest producer of dozen-pot powerplants. Production of the British automaker's 6.0-liter twin-turbo W12 far outpaces anything from Rolls-Royce, Mercedes-Benz, BMW, Ferrari, or Lamborghini. Over the decades since its introduction, Bentley's long-serving V8 has gone from making an "adequate" amount of power and torque to an impressive 530 horsepower and a positively massive 811 pound-feet (with the help of a couple of turbochargers). Its eventual discontinuation wouldn't be the first attempt on the life of the 6.75-liter engine. When BMW briefly took control of both Rolls and Bentley, it replaced the big engine by a smaller 4.4-liter V8. Customer demand led Bentley to bring the old engine back. It will likely be some time before we get details of Bentley's next powerplant. Models like the Mulsanne and Rolls-Royce Phantom tend to stick around for a long time, and the latest version of Bentley's flagship was just released earlier this year. Related Video:

First new Bentley Blower built since 1930 is now being tested

Just over a year after announcing the program, Bentley has finished building its first Blower car since 1930. It's called "Car Zero" since it's not one of the 12 customer cars. Instead, this first car is a prototype that will undergo testing before the customer cars begin production. Bentley says this car took 40,000 hours to complete. The company figured out how to build it based on existing tooling and blueprints, as well as laser scans of the components in the company's 1929 race car on which the continuation models will be based. The company collaborated with a variety of outside companies for help with the frame, radiator shroud and leaf springs. The frame was built by a company that builds and restores boilers for steam engines. Bentley itself also built a custom stand so it could hook up the recreated 4.5-liter supercharged four-cylinder to its modern-day engine dynamometers for break-in. Now that this prototype has been completed, Bentley will begin testing it for durability. The planned testing should recreate just under 22,000 miles of regular driving and nearly 5,000 miles of track driving. The company will also do a top speed run with it. Once testing is complete, Bentley will start building the 12 customer cars, all of which have been sold and specified. While many are likely excited about this new Bentley, there are a handful of car enthusiasts that probably don't share the excitement. Earlier this year, several of these wealthy enthusiasts, including fashion mogul Ralph Lauren, sent a letter to Bentley expressing concerns that these continuation cars will reduce the value, both monetary and intrinsic, of the original cars. The complaint obviously hasn't had an effect on Bentley's plans. Related Video: