1972 Dodge Challenger Rallye 340 4 Barrel V8 on 2040-cars

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Hennessey's Dodge Challenger Hellcat cranks out 1,032 hp

Enthusiasts know the Dodge Challenger Hellcat produces 707 horsepower. It's one of the modern muscle-car era's iconic numbers. But for some, that's not enough. Enter Hennessey Performance. The Texas tuners loaded the Hellcat with a twin-turbocharger that works with Dodge's supercharger to boost output to 1,032 hp and 987 pound-feet of torque. Yes, that's an engine dyno rating, not at the rear wheels, but still! It's a little more complicated than a bolt-on booster. Called the HPE1000, the turbo kit has stainless steel headers and down pipes, billet aluminum compressor wheels, and a high-flow air system. There's also an an improved fuel pump, and the engine and chassis are specially calibrated. You also get numbered plaques signed by John Hennessey himself and the engine tech who builds your mill. All of this helps get your Hellcat to 60 miles per hour in 2.7 seconds, and it can do the quarter mile in 9.9 seconds at 142 mph. The Hellcat and it's 6.2-liter blown Hemi V8 are not for the faint of heart. Hennessey makes this Dodge downright demonic. Related Video: Related Gallery 2015 Dodge Challenger SRT Hellcat View 23 Photos Image Credit: Hennessey Performance Dodge Coupe Performance

Junkyard Gem: 1977 Dodge Colt Mileage Maker Coupe

While Ford and GM each had the resources to develop their own Michigan-designed subcompacts for the dawn of the 1970s— the Pinto and Vega, respectively— Chrysler couldn't afford the huge price tag for such a project. Instead, Chrysler's European operations were tapped for a couple of models that sold well enough on the other side of the Atlantic, giving us the Plymouth Cricket (known as the Hillman Avenger in the UK) and the Simca 1204 (aka the Simca 1100 in France). American car shoppers gave those two models the cold shoulder, but then Chrysler found genuine sales success by making a deal with Mitsubishi to sell the Colt Galant with left-hand drive. This became the Dodge Colt, with sales beginning in the 1971 model year. Though the 1971-1978 rear-wheel-drive Colts were once as commonplace as Corollas or B210s on American roads, they have all but disappeared today. That makes today's Junkyard Find, discovered in a Denver-area yard last week, particularly interesting. This car shows signs of having been in the hands of a speed-crazed enthusiast owner, including an aftermarket steering wheel and one-piece racing seats with slots for five-point harnesses. The primer-gray paint is another clue. The rear-wheel-drive Colts were reasonably quick for their time, and they could be made genuinely quick with basic engine upgrades. This Mitsubishi Saturn four-banger has a tube header, hot-rod ignition system, and a two-barrel (Mikuni-made) Solex carburetor. We can assume there's probably some kind of cam upgrade under the valve cover, too. The shifter is gone, but the original transmission in this car was either the base four-speed or optional five-speed manual. A three-speed automatic was available for $270 (about $1,275 today). Later on, front-wheel-drive Colts (and Mitsubishi Mirages) could be bought with the Twin-Stick overdrive rig, which gave drivers eight forward speeds and the opportunity to make Twin-Stick beer taps. The 1977-1978 Dodge Colt two- and four-door sedans were based on the Mitsubishi Lancer and were a bit smaller than the 1971-1977 cars, while the wagon version moved to the Galant Sigma platform. The build tag shows that this car started life as the cheapest 1977 Colt model, the "Mileage Maker" two-door sedan (Dodge dealers called it a coupe, so that's what I'm calling it in the title).

40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.