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Jay Leno drives a 1970 Dodge Charger with 1,650 horsepower

When Jay Leno says a vehicle might have too much horsepower, he's got our attention piqued. That's exactly what he thinks about the 1970 Dodge Charger Tantrum from Wisconsin-based SpeedKore Performance. While it still looks like a classic muscle car, the front end now features a carbon fiber hood and fenders. Underneath the lightweight parts, there's a twin-turbo, 9.0-liter Mercury Marine offshore boat racing engine with an astonishing 1,650 horsepower, or an only slightly less asinine 1,350 hp on pump gas. Jay is very mechanically intrigued by the Charger at the beginning of this video, and puts it on the lift to take a look at the underside. The engine plumbing is a thing of beauty, and the mill packs a massive radiator and intercooler to keep things running cool. Leno's drive in the Tantrum is especially interesting. The beastly engine is difficult to control, and anything above half throttle in most gears can spin the rear tires. The significant turbo lag also makes the power unpredictable. When Jay finally finds a straight piece of road, he puts the hammer down and rockets into the distance. And, of course, you know Jay's not going to end the video without some suitably smoking tires. Related Video:

2016 Dodge Viper ACR First Drive [w/video]

The Dodge Viper is not a comfortable car. Livable, yes. The interior is covered in fine materials. But you still climb over a hot door sill to enter the tiny cabin. And the frequency range of the engine's noises seem specifically designed to cause headaches. What happens, then, if you remove all pretense of civility from a Viper and add equipment solely aimed at improving lap times? You would have the 2016 Dodge Viper ACR. In terms of achieving its purpose, this car is a absolute success. In many ways it's also the most honest Viper of the current generation. Prices start at $121,990 (including $2,100 gas-guzzler tax and $1,995 destination), or $32,900 more than the least expensive Viper. In ACR trim, the Viper loses the under-carpet padding, 9 of 12 speakers plus amplifier, carpet and trim from the cargo area, and sound deadening in front of the rear wheel wells. The parts of the interior still covered add healthy amounts of Alcantara or optional carbon fiber. That weight loss is compensated by the addition of go-fast bits like the giant rear wing (or the larger "x-wing" on the Extreme Aero Package), 10-way adjustable Bilstein Motorsports shocks, Brembo carbon-ceramic brakes, a rear diffuser, and a front splitter. Total claimed curb weight is 3,392 pounds in Aero trim (standard ACR trim is 18 pounds lighter), which is within a few stone of the rest of the Viper lineup. The diffuser strakes and leading edge of the splitter are removable, made to be replaced after rubbing on track tarmac and make street driving slightly more practical. Not that you'd want to drive the ACR on the street, with the lack of noise insulation and spring rates twice as stiff as the Viper TA, but it is street-legal. Dodge claims the DOT-approved Kumho Ecsta V720 tires on the ACR allow faster lap times than some race compound tires. Our test was limited to on-track shenanigans at Virginia International Raceway. Which is fitting because we wouldn't have anything good to say about driving the car on the street. The ACR is, essentially, a race car sold in the showroom, although with the Viper's 1 of 1 customization program, your custom build can include as many creature comforts as you like. Lined up in pit lane at VIR, the Viper ACRs for our evaluation blur the air with heat shimmer. All of the test cars have air conditioning, but that shuts off at full throttle with a six-second reset.

Find these Star Wars-themed Dodge muscle cars near you

Getting excited for the upcoming release of The Force Awakens? Well you're not alone. Aside from the legions of fans squeezing into their costumes to line up for the theatrical premier on December 18, Dodge has been roaming the streets of Los Angeles with three Star Wars-themed muscle cars. And you can track where they're going on Twitter. The trio includes a Charger and Challenger, both in SRT spec, with Hellcat engines, and wrapped to look like Stormtroopers from the First Order Legion like the Fiat 500e we saw at the LA show last month. They're joined by a Viper ACR done up in a black livery inspired by Kylo Ren – one of the villains in the upcoming sequel. The special squadron has been patrolling the streets of LA since Friday and will be through Monday. If you spot them, you can post their location to Twitter with the hashtags #Dodge and #TheForceAwakens – and if you haven't, you can see where others have in real time. As we go to press, they've already been spotted in Beverly Hills, at The Grove, and on Hollywood Boulevard. Of course, this isn't the first time we've seen cars used to promote Star Wars, or vice versa. Volkswagen famously channeled Darth Vader, Toyota used everyone's favorite droids to advertise the Prius PHEV, and Nissan used Stormtroopers to promote the Juke. Red Bull even had its whole team dressed up in costume at the 2005 Monaco Grand Prix. We doubt this will be the last time we'll see the Force propel itself on four wheels in our galaxy, either. Related Video: Specially Wrapped Dodge and Viper Vehicles Patrol L.A. Streets This Weekend in Celebration of Upcoming "Star Wars: The Force Awakens" - Fans can get their pictures taken with First Order Stormtrooper-themed white Dodge Charger SRT Hellcat and Dodge Challenger SRT Hellcat, plus Kylo Ren-inspired black Dodge Viper ACR - Vehicles patrol Los Angeles-area streets Friday, Dec. 11 – Monday, Dec. 14 - Track vehicle locations in real time on Twitter using hashtags #Dodge and #TheForceAwakens - Dodge social media activation part of FCA US partnership with Disney and Lucasfilm to co-promote "Star Wars: The Force Awakens" opening in theaters December 18 December 11, 2015 , Los Angeles - The weekend before "Star Wars: The Force Awakens" opens in theaters worldwide, Dodge is taking to the streets of greater Los Angeles with a team of specially wrapped Dodge vehicles to give fans the opportunity to take photos and videos with them.