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Plymouth Rapid Transit System muscle car concepts going to auction

Over the past decade, Chrysler has built a reputation for amazing custom concept cars based on production vehicles for the SEMA Show and the Easter Jeep Safari. But the company's customization tradition has much deeper roots that include this collection of muscle car concepts headed for Mecum's Indianapolis auction this May. The collection includes three Plymouths that were featured in the traveling display called the Plymouth Rapid Transit System, and a Dodge that appeared at the 1969 Chicago Auto Show. The possible crown jewel of these cars is the 1971 Plymouth Road Runner, and that's simply because the car is completely unrestored with just 1,300 miles on the odometer. Apparently the owner of the shop that built the car for Chrysler got it back after the Rapid Transit System tour ended and took care of it until he later sold it to the late Steven Juliano, whose estate is now selling this collection of cars. Like all of these cars, modifications were mainly visual, but they were extensive. A custom nose and headlight lenses were fitted that added six inches of length, according to Mecum. The car's bumpers were removed completely, as were the external door handles. Recessed hood scoops were added to the hood, and the trunk lid was lowered by four inches to create a rear wing. The taillights were given red, yellow and green lenses like traffic lights. But the best additions were molded Road Runner head marker lights. The interior is mostly unchanged, and the engine is a stock 383-cubic-inch V8 with an automatic transmission. It also has power steering and brakes and the Plymouth Road Runner horn, which makes a "Beep! Beep!" sound like the cartoon the car is named after. 1970 Plymouth Duster View 12 Photos Then there's the 1970 Plymouth Duster in the collection with arguably the best paint scheme. It's bright green with groovy "DUSTER" lettering on the hood and various contrasting panels. It's actually the second scheme the car used, as according to Mecum, the car was built for the 1970 tour and then redesigned for the 1971 tour. The paint is matched with color-coordinated wheels and blue and green floral pattern floor mats. There are unique body changes, too, such as the custom headlight housings, functional brake air ducts up front, fake extractor vents above the rear window, racing-style fuel cap and rectangular exhaust. Mechanically, it has a stock 275-horsepower 340-cubic inch V8 and four-speed manual transmission.

Dodge Challenger SRT Hellcat gets 22 mpg

With its crazy 707 horsepower on tap and roughly $60,000 starting price, the 2015 Dodge Challenger SRT Hellcat has been one of the most talked about cars of the summer, maybe even the year. However, there's always been one lingering question about the behemoth that Dodge has waited to answer until now - its fuel economy. The EPA ratings for the muscle car are finally out, and the numbers are actually pretty impressive for a vehicle with this much power.
A 2015 Challenger Hellcat with the eight-speed automatic is rated at 22 miles per gallon highway, 13 mpg city and 16 mpg combined. Opting for the six-speed manual drops those figures to 21 mpg highway, 13 mpg city and 16 mpg combined.
"As the fastest muscle car ever, the Challenger Hellcat can run 10-second ETs [elapsed times] at the track, and then get 22 miles per gallon on the drive home. With a starting price of $59,995, there's nothing else that even comes close," said Dodge and SRT President Tim Kuniskis in the company's release.

Watch a Dodge Challenger Demon break 200 mph

We all know that the Dodge Challenger Demon is a monster in short bursts. Its 840 horsepower and drag-ready tires allow it to hit 60 mph in a claimed 2.3 seconds on the way to a sub-10-second quarter-mile time. But it turns out that the Demon doesn't run out of grunt after the quarter-mile. This was proven by a group that took one to the runway where space shuttles landed, Johnny Bohmer Proving Grounds in Florida. There they hit a top speed of 203 mph. Dodge doesn't give a top speed for the Demon, but for a bit of comparison, the 707-horsepower Hellcat Widebody has a top speed of 199 mph. Watching the video, it's interesting how calm things appear to be in the cabin. There doesn't appear to be much vibration, and the car was clearly staying steady in a straight line, since the driver hardly moved the wheel. And before you know it, the 2.3-mile run is over. The run's not official unless a record-keeping body is witnessing it, and there will surely be Demons out there trying to beat this run, but it's sure fun to watch in the meantime. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.