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Submit your questions for Autoblog Podcast #329 LIVE!

We're set to record Autoblog Podcast #329 tonight, and you can drop us your questions and comments via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #329
Subcompact sales slump, yet again

Ford spotted testing new Focus RS at the Nurburgring

Ford is expected to be launching a revised version of the Focus ST soon, but the latest snapshots from our spy photographers at the Nürburgring suggest that the Blue Oval is already working on an even more potent example: the new Focus RS.
Though the partially disguised test mule is wearing an ST badge (along with a Dewey sticker that makes us wonder what adventures Huey and Louie are up to and what manner of duck-tail rear spoiler they may be wearing), there are several tell-tale signs that something else is afoot here. There's a larger front air dam, bigger brake calipers, dual exhaust tips (instead of the central exhaust on the ST) and a reshaped wing protruding from the trailing edge of the roof.
That may all be well and fine, but what's under the hood? We don't know yet for sure, but word has it that Ford is preparing to port over the 2.3-liter turbo four offered in the new Mustang, where it packs 305 horsepower and almost as much torque - potentially retuned to produce even more for the top-of-the-line Focus, which could channel it all to the front wheels like the last model or pack an all-wheel drive system. The Global C platform on which the Focus is based does, after all, also underpin AWD models like the Ford Escape and Lincoln MKC.

Ford updates Power Stroke diesel V8, strengthens F-450, tweaks King Ranch

Ford is giving its F-Series Super Duty trucks some upgrades for 2015, and we're happy to say that one of them is an improved Power Stroke diesel V8. Also, Ford is strengthening the top-of-the-line F-450 to handle more abuse. And if wild west-style luxury is your thing, the automaker has performed minor cosmetic updates to its King Ranch Edition trucks, as well.
The turbocharged 6.7-liter Power Stroke V8 is currently rated at 400 horsepower and 800 pound-feet of torque, and Ford only tells us the new and improved Power Stroke can "produce power beyond today's" engine. What, then, did Ford actually improve upon? First, the Blue Oval swapped in a new, larger turbocharger. The new Garrett GT37 turbine unit is 72.5 millimeters in diameter, eclipsing the old GT32's 64-mm diameter piece. Ford states output increases with the new turbo setup, but since the new turbocharger operates at a lower peak pressure than the old one, the automaker was able to eliminate the wastegate system and reduce the engine's complexity. Ford even redesigned the turbo's oil and cooling lines to make the powerplant simpler. A byproduct of the larger turbo is better engine exhaust braking, which is controlled manually by a button on the dashboard.
Ford claims the upgraded diesel engine is more powerful, more robust, more efficient and more refined than before.