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Driving Granatelli's turbine-powered 1978 Chevy Corvette [w/video]

With its curvy snout and feminine haunches, the third-gen Chevrolet Corvette looks like a dreamy – if dated – exemplar of Sports Car Fantasy 101 when viewed through modern eyes. This particular specimen circa '78, clad in silver and black paint with red pinstripes, appears to be a well-preserved example from the era. Apart from its low-profile Pirellis, slightly raised and slotted hood, spacious stance and a certain hand-painted descriptor alongside its crossed flag logos, you'd never guess there's a Space-Age propulsion unit powering this Coke bottle-bodied ride. Climb inside, and you're presented with aircraft gauges and big, colorful square buttons in the center panel. It takes a push of the "Ignitor" button, a tap of the starter button, and a slide of a T-handle for this nearly 40-year-old sports car to start sounding like Gulfstream G650 ready for takeoff. Yep, you're sitting in an 880-horsepower, turbine-powered Corvette, the only one of its kind in the world. Welcome to the whoosh. What The...? Built by Vince Granatelli, son of Indy 500 guru Andy Granatelli, this curious Corvette came into being by cramming a Pratt & Whitney ST6N-74 gas turbine engine into the donor car's lengthy front end. The same type of Jet A-burning mill powered Granatelli Senior's STP-sponsored racecar at the 1967 Indianapolis 500, where it famously led most of the 198 of 200 laps until a $6 transmission bearing failed, knocking it out of the race. The idea of turbine power usurping internal combustion was so threatening that Indy's governing body restricted turbine performance into obsolescence thereafter. A turbine-powered Corvette sounds excessive because it is. But there are also things about this 880-horsepower, 1,161-pound-feet monster that might surprise you. While it smacks of futurist exoticism and cost a then-dizzying $37,000 in 1967, the Canadian-built powerplant uses 80 percent fewer parts than an internal combustion V8 and will run on virtually anything combustible – whiskey, diesel, even Chanel No. 5. Though it's triple the length of a V8, the Pratt & Whitney beast weighs only 285 pounds. It's also one hell of a robust workhorse, typically serving as an auxiliary power unit for commercial aircraft or a generator in oil fields, where it can run for tens of thousands of consecutive hours before needing an overhaul. To adapt the Chevrolet for jet duty, the nose section was gutted and a sub-frame was built to compensate for the loosey-goosey front end.

Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).

Chevy gives Camaro Red, Black Accents for SEMA

Just the other day, Chevy announced a series of modified show cars it's planning to bring to SEMA this year. Now it has revealed full details on what could prove the most enticing among them in the form of a pair of Camaros. These new Red Accent and Black Accent editions are based on the new, sixth-generation 2016 Camaro SS. The former starts out as a Camaro SS convertible, done up in silver with red trim inside and out. It's got a leather interior, custom grille, hash-mark fender graphics, blacked-out bowtie badge, and 20-inch alloys. Even the engine is visually enhanced with a red cover. While it was at it, Chevy also dropped the suspension and fitted a new air intake and Brembo front brakes. Joining it is the Black Accent concept, based on a red Camaro SS coupe. As its name suggests, it's got a blacked-out aero kit, bowtie badge, and fuel cover, along with darkened tailllamps and satin black stripes. It also gets a black leather interior and its own set of 20-inch wheels, along with the aforementioned lowering kit, Brembo front brakes, air intake, and red engine cover. The Accent concepts are designed to showcase the extent of the accessories Chevy is offering for the new Camaro, and will be showcased at SEMA alongside modified versions of the Spark, Trax, Malibu, Colorado, and Sierra. Feel free to scope out the gallery above and the details in the press release below. Related Video: 2016 Camaro SS Concepts Designed to Inspire Red, Black Accent cars showcase new accessories, preview production packages DETROIT – Chevrolet introduced two customized 2016 Camaro SS concepts that illustrate the possibilities enabled by the new portfolio of Gen Six Camaro accessories and performance parts. Dubbed Red Accent and Black Accent for their respective design themes, each uses components Chevrolet will offer during the first model year of the new Camaro. "These are great-looking examples of what customers can do to personalize their new Gen Six Camaro," said Roger McCormack, director, Accessories & Performance Parts Marketing. "This will be the largest-ever portfolio of Camaro accessories and performance parts.