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A cool boost to turbocharger performance

Since the advent of the forced-induction engine, we have been looking for ways to get every drop of performance we can. There are many approaches to getting additional power using better intercooling, water injection, or even adding nitrous oxide. One take on a short instant burst of power is being researched by Mahle and involves providing supercooled air to an engine, which allows it to burn a leaner fuel mixture and produce more power. The supercooling idea is not new and was examined by Ford in 1993 on the Mustang Mach III concept car, then brought up again in 2003 with the SVT F-150 Lightning concept. Ford called its system the SuperCooler; it was designed to work with any turbocharged or supercharged engine equipped with a water-to-air intercooler. The system on the Lightning concept used a small tank of antifreeze that was hooked up to the truck air conditioning compressor. The air conditioning compressor cooled the antifreeze down to about 30 degrees. The other side of the tank was hooked up to the air-to-water intercooler, which usually had a temperature over 100 degrees. Once the antifreeze was circulated from the tank into the intercooler, it would lower the intercooler temperature and provide for a cooler, denser air charge into the engine; the result was around 50 extra horsepower for a burst of about 30 seconds to a minute, depending on the size of the tank. The system for the Lightning was to be offered as a $750 option and would have been targeted towards drag racers and the like, as it could be used for a run down the drag strip and then re-cooled by the time the truck was back in line. The system was fairly non-intrusive – it only weighed about 25 pounds and did not require a new compressor or intercooler. But as with many concepts, it was ultimately scrapped. The technology was always stuck in the back of my mind, but with larger and more powerful engines being produced it could not find its place. With the advent of new fuel economy standards, we have seen small-displacement turbocharged engines pop up and they seem like the perfect candidate for this type of technology. Ford's EcoBoost 1.0-liter three-cylinder turbocharged engine, as used in the Fiesta and Focus, is one such candidate for this technology. It would add a negligent amount of weight but could provide a boost of 10 to 20 horsepower when needed, like merging onto the highway or catching up to traffic.

Ford Mustang Shelby GT350R-C set to storm Watkins Glen

Ford is bringing its latest high-performance Mustang back to the track with the new 2016 GT350R-C, which will debut and race in this weekend's IMSA Continental Tire SportsCar Challenge race at Watkins Glen. The spiritual successor to the Boss 302R that's still taking part in the Continental Tire series today, the first GT350R-C will be campaigned by Multimatic Motorsports. It's had its fully independent suspension completely revised for the track, and it gets everything from new spring rates to new anti-roll bars to a lowered ride height. Like the road-going GT350, a 5.2-liter, flat-plane-crank V8 sits under the hood, although Ford didn't release any specifics on power output. In fact, details are in short supply. We're expecting some sort of sequential racing transmission, wildly enhanced brakes, and a thoroughly race-prepared cabin, although Ford hasn't released any info on that stuff. The Blue Oval also hasn't said anything about the aerodynamic package, but strangely, it looks more or less like what's featured on the standard GT350R. The front fascia and rear wing are pretty much identical, and even the side sills seem roughly similar to the production model. "Like so many Mustangs before it, the Shelby GT350R is a car born to race," Ford's director of global performance, Dave Pericak, said in the attached press release. "We're taking it to the track as the GT350R-C and we're ready to see what it can do against the best competition in the world." Scroll down for the official press release from Ford. And if you're so inclined, you can check out the GT350R-C's debut race this weekend at IMSA.com, with coverage starting at 12:25 P.M. If you prefer normal TV, Fox Sports 1 will get around to re-broadcasting the race on July 5 at 10:00 A.M. Related Video: Ford Performance Shelby GT350R-C to Make IMSA Competition Debut at Watkins Glen • All-new Shelby® GT350R-C embodies Ford innovation through performance as race car makes its competition debut this weekend at Watkins Glen • Shelby GT350R-C to compete in the remainder of the 2015 IMSA Continental Tire SportsCar Challenge with Multimatic Motorsports • Competition version of Shelby GT350R features all-new 5.2-liter flat-plane crankshaft V8 created to extend on-track performance DEARBORN, Mich., June 24, 2015 – There's no mistaking the wicked sound or aggressive looks of the all-new Shelby® GT350R-C that Ford announced today would see its first official track time at Watkins Glen this weekend.

Consumer Reports criticizes small turbo engines for misleading performance, fuel economy claims [w/video]

Consumer Reports has taken aim at at small-displacement, forced-induction engines, saying the powerplants don't manage to deliver on automaker fuel economy claims. Manufacturers have long held that smaller, turbocharged engines pack all power of their larger displacement cousins with significantly better fuel economy, but the research organization says that despite scoring high EPA economy numbers, the engines are no better than conventional drivetrains in both categories. Jake Fisher, director of automotive testing for Consumer Reports, says the forced induction options "are often slower and less fuel efficient than larger four and six-cylinder engines."
Specifically, CR calls out the new Ford Fusion equipped with the automaker's Ecoboost 1.6-liter four-cylinder engine. The institute's researchers found the engine, which is a $795 option over the base 2.5-liter four-cylinder, fails to match competitors in acceleration and served up 25 miles per gallon in testing, putting the sedan dead last among other midsize options.
The Chevrolet Cruze, Hyundai Sonata Turbo and Ford Escape 2.0T all got dinged for the same troubles, though Consumer Reports has found the turbo 2.0-liter four-cylinder in the BMW 328i does deliver on its promises. You can check out the full press release below. You can also read the full study on the Consumer Reports site, or scroll down for a short video recap.