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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!"

Top torque-to-weight ratios under $100k, $50k and $25k

Horsepower may steal a lot of headlines, but the always-more-complex torque figure is often a critical one for both the workingman and the motoring playboy. The measure of rotational force represents the twist that can liquefy one's tires or haul one's horse trailer. Good stuff.
It follows then, that as with the horsepower-to-weight list that we assembled for you a few months ago, a list of cars that offer the most pound-feet with the fewest pounds to carry, is an interesting one to break down. Sure, there's a big difference in how the torque is applied from a turbocharged six-cylinder in a Swedish luxury sedan and a massive heavy-duty truck's turbo-diesel. But being the car/stat geeks that we are, we think it's kinda neat that those two vehicles rank near each other where torque and weight intersect.
As with the horsepower list, we've given you figures as pounds per every one pound-foot. Again broken down into broad price categories, we've got a mixed bag of 2014 and 2015 models here, too. Every effort has been made to select the most up-to-date prices and specs, and we've also to omitted some '14 cars that won't be re-upped after the ongoing yearly changeover.

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.