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2016 Dodge Viper ACR racks up lap records

With 645 horsepower and an adjustable spoiler nearly six feet wide, the 2016 Dodge Viper ACR would look at home on the runways of most any airport, air base, or aircraft carrier in the world. But it's not built for the runway. It's built for the race track. And it has positively mastered them one after another. In fact, the new Viper ACR has not only beat the lap times of its own predecessor as it set out to, but took the production-car lap record at 13 tracks across the country. The endeavor started out at the Inde Motorsport Ranch in Arizona, where development engineer Chris "The Wolf" Winkler set a lap time of 1:33.75 on the Configuration 4 track to beat every other street-legal vehicle to ever lap the circuit. Then it was off to Buttonwillow, the MotorSport Ranch (in Cresson, TX), Big Willow, VIR, Grattan, Pittsburg, GingerMan, the Motown Mile, Nelson Ledges, Waterford Hills, and Road Atlanta. And with the new American Club Racer, Dodge took the lap record at each and every one. The journey culminated just days ago at Laguna Seca, where track expert Randy Pobst climbed into the Viper ACR and set a lap time of 1:28.65. That's 5.27 seconds faster than the previous ACR's time, and 1.24 seconds faster than the Porsche 918 Spyder that held the record until now. The sum total is a bragging-rights sheet of lap records set at 13 tracks across these United States. And you don't have to take Dodge's word on that. The records have been certified by the Sports Car Club of America (SCCA), cementing the ACR's place in the record books. Nice work if you can get it, and you can scope it out in the video above and press release below. Related Video: 2016 Dodge Viper ACR Is Undisputed Track Record King - Ultimate street-legal race car sets new high-performance benchmark with more track records than any production car in the world - Sports Car Club of America (SCCA) has certified lap records at 13 road courses, including world-famous Laguna Seca, Road Atlanta and Virginia International Raceway - With 645 horsepower and more torque than any naturally aspirated engine in a production car, the ACR is purpose built for weekend club racers who want the most extreme, but street-legal, track car available - Significant aerodynamic and suspension upgrades, new Carbon Ceramic brakes with six-piston calipers from Brembo and high-performance Kumho tires, specifically designed for the new 2016 ACR, set this Viper apart on any road course November 3, 2015, Auburn Hills, Mich.

1970 Hemi Challenger is a family heirloom with serious muscle

Petrolicious turns up the emotion in its latest video about a family's connection to their 1970 Dodge Challenger. The orange muscle car that gets the spotlight here is a remarkably beautiful vehicle, but the story of a father and his sons at the core of this clip might leave you feeling a little misty eyed. Juan Escalante is the current owner of this Challenger, but it belonged to his dad first. Juan's father spotted the iconic muscle car during the 1969 Detroit Auto Show and had to have one. He soon placed an order for the orange '70 Challenger R/T with the rare combination for that year of a 426 Hemi V8 and a four-speed manual gearbox. The family even brought the coupe with them when they moved to Venezuela in 1972, and local fans dubbed it El Hemi. However, parts were scarce for the muscle car in that country, and it returned to the US in 1996 for a restoration. Now, the rumbling Challenger with its Coke-bottle profile and black hood is the world's most awesome family heirloom for the Escalantes. In this poignant video, Petrolicious shows how the coupe connects Juan to his father. Related Video:

Diesel Power finds the ultimate modified oil-burner

For nine years, Diesel Power magazine has run the Diesel Power Challenge, this year's grindfest being "a week-long torture test that features seven events, nine trucks, 8,000 horsepower, and nearly 15,000 pound-feet of torque." The road to being crowned "the most powerful truck" starts with a dyno run, and then continues through the completion of a CDL-style obstacle course, an eighth-of-a-mile drag race while towing a 10,000-pound trailer, a quarter-mile drag race without a trailer, a fuel economy test in the mountains and finally a sled-pulling test through a 300-foot-long packed-mud pit.
What kind of trucks get into such a fight? Last year's winner, for instance - who upgraded his truck this year to prove he didn't "luck into the win" - drives a 2008 Ford F-250 Super Duty with a 6.4-liter Power Stroke V8 upgraded with a custom intake, Elite Diesel triple turbos and a two-stage nitrous system. Another competitor has a 2005 Dodge Ram 2500 powered by a 5.9-liter Cummins inline-six, upgraded with Garrett turbos, dual-stage nitrous, a seven-inch exhaust stack and twin fans built into the bed to cool the Sun Coast Omega transmission. The numbers on that truck: 1,255 horsepower, and 2,063 pound-feet of torque at the wheels. Naturally, as the image above might suggest, things don't always end well.
You'll find all five videos covering this years challenge below. A scene in the dyno video sums it all up perfectly: a competitor leaves his nitrous on too long and the crew is treated to some ominous poppings, he leans out the window, throws both hands up and shouts, "Amer'ca!"