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2016 Dodge Viper ACR is the Fastest Viper Ever

by Patrick Rall on

Following up on the record-setting American Club Racer (ACR) Viper SRT10, Dodge released the 2016 Dodge Viper ACR today at the Conner Avenue Assembly Plant. Allpar was on hand to get a firsthand look at the supercar being billed as the fastest street legal Viper ever.

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“The Viper has always been more of a street-legal race car than a track-capable streetcar, and the new 2016 Dodge Viper ACR is the fastest street-legal Viper track car ever,” said Tim Kuniskis, President and Chief Executive Officer of Dodge and SRT. “Our goal is to arm our enthusiasts with the ultimate Viper track car to dominate road courses around the world.”

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To achieve the goal of creating a street legal Viper that would prove to be the fastest on the race track, the Dodge engineering team used what they learned from the 2012-2014 Viper GTS-R endurance racing program, applying the features that make the GTS-R the fastest non-street legal Viper ever to a road-going supercar that can still dominate the competition on the track.

To make the 2016 Dodge Viper ACR the fastest on the track, the engineering team focused on the body, the chassis, the suspension and the braking components of the newest supercar.

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The 2016 Viper ACR has a handful of features that make it more aerodynamic than the previous generation ACR or the current Viper TA. For the full effect of the American Club Racer package, buyers will need to add the Extreme Aero Package, which has an adjustable dual-plane rear wing, a huge rear lower diffuser, a hood with removable vents above the front wheels, a far-reaching adjustable front splitter, and four dive planes located on the front corners of the car’s nose.

With the Extreme Aero Package, the 2016 Viper ACR creates more than three times the downforce of the Viper TA – with a whopping 2,000 lb of downforce at its top speed of 177 miles per hour. Helping to improve underbody aerodynamics, the rear diffuser extends up to the middle of the car with six removable strakes that actually rub against the track surface, helping to improve straight line stability at very high speeds.

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In addition to making the 2016 Viper ACR the most aerodynamically incredible American supercar of all time, it also makes for one wicked looking machine. The new ACR was introduced with the older SRT10 ACR in the background and when that car was introduced, I really thought that it was the meanest looking Viper ever. However, this new ACR makes the previous version look like an everyday road car.

The combination of the huge rear wing, the new front splitter and the new dive planes make it look like a straight-up race car – but it maintains all of the features needed to drive the car on public roads.

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After the exterior design was handled, the engineering team turned their attention to the chassis and suspension of the 2016 Viper ACR. Dodge tapped Bilstein for the dampers, using a setup that was designed specifically for this Viper. Each shock can be adjusted individually with 10 settings for both rebound and compression, while also allowing 3 inches of ride height adjustments as well. Working with these high performance dampers are revised springs rated at 600lb/in up front and 1,300lb/in out back – more than double that of the current Viper TA.

To finish off the suspension and chassis upgrades, the 5-mode Electronic Stability Control system has been specially tuned for the new ACR. As a result of this monster suspension system and the unique aero features, the new ACR can sustain more than 1.5g through high speed turns.

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Helping to keep the new Viper ACR on the track at high speeds are Kumho Ecsta V720 tires measuring 295/25/19 up front and 355/30/19 out back. These tires have a surface that has been designed to optimize grip without losing drivability and when compared to a full racing tire, these new Kumho’s were 1.5 seconds faster per lap during internal testing.

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A supercar is useless if it cannot slow down, so the braking system was the next area of emphasis for the Viper ACR engineering team. This new package is fitted with new Brembo Carbon Ceramic Matrix with 15.4 inch rotors under 6-piston calipers up front and 14.2 inch rotors under 4-piston calipers out back. This setup affords the new Viper ACR more braking surface contact than any Dodge supercar in history while front brake ducts keep these huge stoppers cool under the rigorous conditions of extended track time. As a result, this new Viper ACR offers stopping power like new Chrysler Group vehicle ever.

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Last, but most certainly not least, the 2016 Dodge Viper ACR is powered by the same 8.4L V10 as the rest of the 5th gen lineup, sending 645 horsepower and 600lb-ft of torque to the rear wheels via Tremec 6-speec manual transmission that has been designed to handle every bit of track abuse that an owner can hand out.

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The 2016 Dodge Viper ACR comes with minimal interior amenities, so lightweight carpeting, a three speaker sound system and manually adjustable seats are standard, but as part of the new 1-of-1 program, ACR buyers can order literally any interior option in the Viper catalog. In other words, the new Viper ACR offers the same level of customization as the Viper GTC so no matter what interior colors, exterior colors or add-on features you wish to have on your new supercar – Dodge will build the car just how you please.

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Like all new Dodge Vipers, the 2016 ACR is built at the Conner Ave Assembly Plant in Detroit and the hand-building process for customer cars is set to begin during the third quarter of 2015. However, while I was at the plant today, I saw the first collection of 2016 ACR preproduction models as they were rolling off of the assembly line. We will show more on Monday.

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More is at Allpar’s 2016 Dodge Viper ACR page.

Patrick Rall was raised a Mopar boy, spending years racing a Dodge Mirada while working his way through college. After spending a few years post-college in the tax accounting field, Patrick made the jump to the world of journalism and his work has been published in magazines and websites around the world.


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